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The flowers of Archangelica officinalis, or the Garden Angelica, a flowering plant in the Apiaceae family.

Garden Angelica

The flowers of Archangelica officinalis, or the Garden Angelica, a flowering plant in the Apiaceae family.

"1. Hedera Helix; 2. a flower of Dimorphanthus edulis; 3. perpendicular section of the ovary; 4. undivided ovary; 5. ripe fruit; 6. cross section of it; 7. section of seed of H. Helix." -Lindley, 1853

Ivy

"1. Hedera Helix; 2. a flower of Dimorphanthus edulis; 3. perpendicular section of the ovary; 4. undivided…

The flower and plant of the moschatel or Adoxa moschatellina, a flowering plant in the Adoxaceae family.

Moschatel

The flower and plant of the moschatel or Adoxa moschatellina, a flowering plant in the Adoxaceae family.

"Benthamia japonica. 1. a flower; 2. a perpendicular section of the pistil; 3. a head of fruit; 4. a section of a seed." -Lindley, 1853

Dogwood

"Benthamia japonica. 1. a flower; 2. a perpendicular section of the pistil; 3. a head of fruit; 4. a…

"Corylopsis. 1. flowers; 2. branch in fruit; 3. a flower separate; 4. a stamen; 5. a perpendicular section of the ovary; 6. a section of a seed removed from the capsule and placed with the hilum downwards." -Lindley, 1853

Winter Hazel

"Corylopsis. 1. flowers; 2. branch in fruit; 3. a flower separate; 4. a stamen; 5. a perpendicular section…

"Brunia japonica. 1. a flower; 2. a perpendicular section of the pistil; 3. a head of fruit; 4. a section of a seed." -Lindley, 1853

Butttonbush

"Brunia japonica. 1. a flower; 2. a perpendicular section of the pistil; 3. a head of fruit; 4. a section…

"Leptomeria acida; 2. a branch more magnified; 3. an expanded flower; 4. a fruit." -Lindley, 1853

Native Currant

"Leptomeria acida; 2. a branch more magnified; 3. an expanded flower; 4. a fruit." -Lindley, 1853

"Thesium pratense. 1. a flower; 2. the same laid open; 3. half an unripe fruit; 4. placenta and pair of ovules; 5. half the ripe fruit and seed." -Lindley, 1853

Thesium

"Thesium pratense. 1. a flower; 2. the same laid open; 3. half an unripe fruit; 4. placenta and pair…

"Loranthus chrysanthus. 1. section of a flower; 2. of a fruit." -Lindley, 1853

Loranthus

"Loranthus chrysanthus. 1. section of a flower; 2. of a fruit." -Lindley, 1853

"Details of the fructification of Struthanthus. 1. flower magnified; 2. section of calyx, ovary, and style; 3. fruit invested by the adnate calyx; 4. section of ditto after the calyx is removed; 5. an embryo with 4 cotyledons." -Lindley, 1853

Struthanthus

"Details of the fructification of Struthanthus. 1. flower magnified; 2. section of calyx, ovary, and…

"Loranthus memecylifolius. 1. corolla laid open; 2. ovary, &c." -Lindley, 1853

Loranthus

"Loranthus memecylifolius. 1. corolla laid open; 2. ovary, &c." -Lindley, 1853

"Aristolochia galeata. 1. fruit of an Aristolochia; 2. cross section of it; 3. half its seed." -Lindley, 1853

Mottled Dutchman's Pipe

"Aristolochia galeata. 1. fruit of an Aristolochia; 2. cross section of it; 3. half its seed." -Lindley,…

"Bragantia Blumei. 1. a section of its wood; 2. one of its flowers; 3. a seed; 4. the same divided perpendicularly; 5. anthers and stigma of Asarum." -Lindley, 1853

Bragantia

"Bragantia Blumei. 1. a section of its wood; 2. one of its flowers; 3. a seed; 4. the same divided perpendicularly;…

The spore-case of Schizaea dichotoma, a fern from the Polypodiaceae family.

Schizaea

The spore-case of Schizaea dichotoma, a fern from the Polypodiaceae family.

"Danaea alata. 1. Collection of spore-cases; 2. sections of the same and spores, 2 of which are highly magnified." -Lindley, 1853

Danaea

"Danaea alata. 1. Collection of spore-cases; 2. sections of the same and spores, 2 of which are highly…

"Cytinus Hypocistis. 1. A flower; 2. a head of anthers; 3. a transverse section of the ovary." -Lindley, 1853

Cytinus

"Cytinus Hypocistis. 1. A flower; 2. a head of anthers; 3. a transverse section of the ovary." -Lindley,…

"Centrolepis fascicularis. 1. A head of flowers; 2. a single flower separated; 3. an ovary with the style cut off." -Lindley, 1853

Centrolepis

"Centrolepis fascicularis. 1. A head of flowers; 2. a single flower separated; 3. an ovary with the…

"Zannichellia palustris. 1. A flower; 2. a cluster of ripe ovaries; 3. an ovary opened to exhibit the ovule; 4. a vertical section of a seed, showing the folded up embryo." -Lindley, 1853

Potamogetonaceae

"Zannichellia palustris. 1. A flower; 2. a cluster of ripe ovaries; 3. an ovary opened to exhibit the…

"Blancoa canescens. 1. a flower and ovary of Conostyles aemula opened." -Lindley, 1853

Red Bugle

"Blancoa canescens. 1. a flower and ovary of Conostyles aemula opened." -Lindley, 1853

"Haemodorum spicatum. 1. A flower spread open; 2. a cross section of the ovary; 3. an anther." -Lindley, 1853

Mardja

"Haemodorum spicatum. 1. A flower spread open; 2. a cross section of the ovary; 3. an anther." -Lindley,…

Ione bicolor, a species in the Orchid family.

Ione

Ione bicolor, a species in the Orchid family.

"Lavradia Vellozii. 1. an expanded flower; 2. the stamens with exterior petaloid scales; 3. a seed; 4. a section of it." -Lindley, 1853

Sauvagesia

"Lavradia Vellozii. 1. an expanded flower; 2. the stamens with exterior petaloid scales; 3. a seed;…

"Turnera genistoides. 1. a flower cut open; 2. a section of the ovary; 3. a seed; 4. a section of it." -Lindley, 1853

Turnera

"Turnera genistoides. 1. a flower cut open; 2. a section of the ovary; 3. a seed; 4. a section of it."…

Mangroves (generally) are trees and shrubs that grow in saline coastal habitats in the tropics and subtropics. The word is used in at least three senses: (1) most broadly to refer to the habitat and entire plant assemblage or mangal, for which the terms mangrove swamp and mangrove forest are also used, (2) to refer to all trees and large shrubs in the mangal, and (3) narrowly to refer to the mangrove family of plants, the Rhizophoraceae, or even more specifically just to mangrove trees of the genus Rhizophora. Mangals are found in depositional coastal environments where fine sediments, often with high organic content, collect in areas protected from high energy wave action.

Mangrove

Mangroves (generally) are trees and shrubs that grow in saline coastal habitats in the tropics and subtropics.…

The Great Egret Ardea alba, also known as the Great White Egret, or Common Egret, is a wading egret, found in most of the tropical and warmer temperate parts of the world, although it is very local in southern Europe and Asia. It is called Kōtuku in New Zealand.

White Egret

The Great Egret Ardea alba, also known as the Great White Egret, or Common Egret, is a wading egret,…

An illustration of Biscayne Bay, is a lagoon that is approximately 35 miles (56 km) long and up to 8 miles (13 km) wide located on the Atlantic coast of south Florida. It is usually divided for purposes of discussion and analysis into three parts, North Bay, Central Bay and South Bay. North Bay separates Miami Beach on its barrier island from Miami on the mainland. It has been severely affected over the last century by raw sewage releases, urban runoff, shoreline bulkheading, dredging, the creation of artificial islands and the loss of natural fresh water flow into the bay. North Bay accounts for only 10% of the water area of the bay. Central Bay is the largest part of the bay. It is separated from the Atlantic Ocean by the Safety Valve, a series of shallow flats separated by tidal flow channels, stretching from the south end of Key Biscayne to the Ragged Keys at the north end of the Florida Keys. It has been adversely affected primarily by bulkheading, urban runoff discharged by canals, and the loss of natural fresh water flow. South Bay is nearly as large as Central Bay, and is the least affected by human activities, although it also suffers from the loss of natural fresh water flow. South Bay is separated from the Atlantic Ocean by the northernmost of the Florida Keys, and is connected to Florida Bay through channels and "sounds" lying between the mainland and the keys.

Biscayne Bay

An illustration of Biscayne Bay, is a lagoon that is approximately 35 miles (56 km) long and up to 8…

Arrowroot, or obedience plant (Maranta arundinacea), is a large perennial herb of genus Maranta found in rainforest habitats. Arrowroot is also the name of the edible starch from the rhizomes (rootstock) of West Indian arrowroot.

Arrowroot

Arrowroot, or obedience plant (Maranta arundinacea), is a large perennial herb of genus Maranta found…

Sisal or sisal hemp is an agave Agave sisalana that yields a stiff fiber used in making rope. (The term may refer either to the plant or the fiber, depending on context.) It is not really a variety of hemp, but named so because hemp was for centuries a major source for fiber, so other fibers were sometimes named after it.

Sisal Hemp

Sisal or sisal hemp is an agave Agave sisalana that yields a stiff fiber used in making rope. (The term…

An illustration of a large banana plant. Banana is the common name for a fruit and also the herbaceous plants of the genus Musa which produce this commonly eaten fruit. They are native to the tropical region of Southeast Asia. Bananas are likely to have been first domesticated in Papua New Guinea. Today, they are cultivated throughout the tropics.

Banana Plant

An illustration of a large banana plant. Banana is the common name for a fruit and also the herbaceous…

<p>A: Bouchon <br>B: Lever <br>C: Bouchon Seal <br>D: Striker <br>E: Spring <br>F: Hinge Pin <br>G: Split Pin <br>H: Split Pin Ring <br>I: Moisture Cap <br>K: Primer <br>L: Priming Powder <br>M: Fuse <br>N: Detonator </p>

Grenade Parts

A: Bouchon B: Lever C: Bouchon Seal D: Striker E: Spring F: Hinge Pin G: Split Pin H: Split Pin Ring…

This grenade consists of three parts: (1) a lemon-shaped, serrated, cast iron body; (2) a special igniter the body of which is a hollow piece of wood fixed in the collar of the grenade by three wooden pins; (3) the charge.

French Grenade (C.F.)

This grenade consists of three parts: (1) a lemon-shaped, serrated, cast iron body; (2) a special igniter…

The typical representation of cultivated fields in general on a topographical map.

Cultivated Fields in General

The typical representation of cultivated fields in general on a topographical map.

Rabbits are small mammals in the family Leporidae of the order Lagomorpha, found in several parts of the world. There are seven different genera in the family classified as rabbits.

Rabbits

Rabbits are small mammals in the family Leporidae of the order Lagomorpha, found in several parts of…

"Branch with flowers of Salvadora persica. (a), a female flower; (b), the fruit." -Whitney, 1911

Toothbrush Tree

"Branch with flowers of Salvadora persica. (a), a female flower; (b), the fruit." -Whitney, 1911

"Flowers of Phlox drummondii showing salver-shaped corolla." -Whitney, 1911

Annual Phlox

"Flowers of Phlox drummondii showing salver-shaped corolla." -Whitney, 1911

"Branch with Inflorescence of Elder (Sambucus Canadensis). (a), part of the inflorescence; (b), fruits." -Whitney, 1911

American Elderberry

"Branch with Inflorescence of Elder (Sambucus Canadensis). (a), part of the inflorescence; (b), fruits."…

"Upper part of stem with the inflorescence of Samphire (Crithmum maritimum). (a), a flower; (b), the fruit; (c), transverse section of one of the fruitlets." -Whitney, 1911

Rock Samphire

"Upper part of stem with the inflorescence of Samphire (Crithmum maritimum). (a), a flower; (b), the…

Callitris quadrivalvis (or Tetraclinis articulata) is a coniferous tree in the cypress family known as the Sandarac.

Sandarac Tree

Callitris quadrivalvis (or Tetraclinis articulata) is a coniferous tree in the cypress family known…

Santalum album is a small tropical tree cultivated for its fragrant oil and medicinal uses.

Indian Sandalwood

Santalum album is a small tropical tree cultivated for its fragrant oil and medicinal uses.

The fruit of Hura crepitans, the sandbox tree.

Sandbox Tree

The fruit of Hura crepitans, the sandbox tree.

"Flowering plant of sanicle (Sanicula marilandica). (a), a male flower; (b), the fruit." -Whitney, 1911

Maryland Black Snakeroot

"Flowering plant of sanicle (Sanicula marilandica). (a), a male flower; (b), the fruit." -Whitney, 1911

"Cordyline (Sansevieria) hyacinthoides. (a), flower; (b), fruit." -Whitney, 1911

Cordyline

"Cordyline (Sansevieria) hyacinthoides. (a), flower; (b), fruit." -Whitney, 1911

Diagrammatic representation of the different parts of the membranous labyrinth.

Labyrinth

Diagrammatic representation of the different parts of the membranous labyrinth.

Vertical section of canine tooth to illustrate the various parts and structures.

Structure of Canine Tooth

Vertical section of canine tooth to illustrate the various parts and structures.

Two diagrams to illustrate the development of the intestinal canal. The figure to the right shows the rotation of the intestinal loop round the superior mesenteric artery. In both figures the parts are supposed to be viewed from the left side.

Development of the Intestinal Canal

Two diagrams to illustrate the development of the intestinal canal. The figure to the right shows the…

Diagrammatic representation of the structure forming a kidney lobe. In the middle part of the figure the course of one of the kidney tubules is indicated, and in the lateral parts the disposition of the larger arteries. Labels: a, cortex; B, intermediate zone; C, papillary portion. The diagram at the right hand side of the lower part of the figure illustrates the connection of the structure composing a Malpighian corpuscle.

Structure of Kidney Lobe

Diagrammatic representation of the structure forming a kidney lobe. In the middle part of the figure…

Dissection of the thyroid body and of the parts in immediate relation to it.

Thyroid Body

Dissection of the thyroid body and of the parts in immediate relation to it.

An illustration of warblers eating plant lice in a tree.

Warblers Eating Plant Lice

An illustration of warblers eating plant lice in a tree.

Aphids, also known as plant lice, are small plant-eating insects, and members of the superfamily Aphidoidea. Aphids are among the most destructive insect pests on Earth.

Aphid

Aphids, also known as plant lice, are small plant-eating insects, and members of the superfamily Aphidoidea.…

The Downy Woodpecker, Picoides pubescens, is the smallest woodpecker in North America. Adults are mainly black on the upper parts and wings, with a white back, throat and belly and white spotting on the wings. There is a white bar above and below the eye. They have a black tail with white outer feathers barred with black. Adult males have a red patch on the back of the head.

Downy Woodpecker

The Downy Woodpecker, Picoides pubescens, is the smallest woodpecker in North America. Adults are mainly…

The Northern Flicker (Colaptes auratus) is a medium-sized member of the woodpecker family. It is native to most of North America, parts of Central America, Cuba, the Cayman Islands, is one of the few woodpecker species that migrates, and is the only woodpecker that commonly feeds on the ground. There are over 100 common names for the Northern Flicker. Among them are: Clape, gaffer woodpecker, harry-wicket, heigh-ho, wake-up, walk-up, wick-up, yarrup, and gawker bird. Many of these names are attempts at imitating some of its calls.

Northern Flicker

The Northern Flicker (Colaptes auratus) is a medium-sized member of the woodpecker family. It is native…

The Black-billed Cuckoo, Coccyzus erythropthalmus, is a cuckoo. Adults have a long brown tail and a black bill. The head and upper parts are brown and the underparts are white. There is a red ring around the eye. Juveniles are drabber, and the eye ring is greenish. Their breeding habitat is edges of wooded areas across North America east of the Rockies. They nest in a low tree or shrub, sometimes on the ground. They sometimes lay eggs in the nests of other birds.

Black-billed Cuckoo

The Black-billed Cuckoo, Coccyzus erythropthalmus, is a cuckoo. Adults have a long brown tail and a…

The Juncos, genus Junco, are small American sparrows. Their systematics are still very confusing after decades of research, with various authors accepting between three and twelve species. Despite their name appearing to derive from the Spanish term for the plant genus Juncus (rushes), these birds are seldom found among rush plants as these prefer wet ground while juncos rather like dry soil.

Junco

The Juncos, genus Junco, are small American sparrows. Their systematics are still very confusing after…

The Tree Sparrow, Passer montanus, breeds over most of Europe and Siberia, and allied forms occur in other parts of Asia. It has been introduced to Australia, and the United States (where it is known as the Eurasian Tree Sparrow or German Sparrow to differentiate it from the native, unrelated American Tree Sparrow), where German immigrants introduced it to the area around St. Louis in the 1870s. From there, it has slowly expanded its range into Illinois and Missouri. Changes in farming methods have meant that this species is declining in some parts of western Europe.

Tree Sparrow

The Tree Sparrow, Passer montanus, breeds over most of Europe and Siberia, and allied forms occur in…

The Common Pheasant (Phasianus colchicus), is a bird in the pheasant family (Phasianidae). It is native to Asia but has been widely introduced elsewhere as a game bird. In parts of its range, namely in places where none of its relatives occur such as in Europe (where it is naturalized), it is simply known as "the pheasant". It is a well-known gamebird, among those of more than regional importance perhaps the most widespread and ancient one in the whole world.

Common Pheasant

The Common Pheasant (Phasianus colchicus), is a bird in the pheasant family (Phasianidae). It is native…

The Whip-poor-will or whippoorwill, Caprimulgus vociferus, is a medium-sized (22-27 cm) nightjar from North and Central America. The Whip-poor-will is commonly heard within its range, but less often seen. It is named onomatopoeically after its call. This bird is sometimes confused[1] with the related Chuck-will's-widow (Caprimulgus carolinensis) which has a similar but lower-pitched and slower call. Adults have mottled plumage: the upperparts are grey, black and brown; the lower parts are grey and black. They have a very short bill and a black throat. Males have a white patch below the throat and white tips on the outer tail feathers; in the female, these parts are light brown.

Whip-poor-will

The Whip-poor-will or whippoorwill, Caprimulgus vociferus, is a medium-sized (22-27 cm) nightjar from…

The Swamp Sparrow, Melospiza georgiana, is a medium-sized sparrow. Adults have streaked rusty and black upperparts with a grey breast, light belly and a white throat. They have a rust-coloured cap and wings. Their face is grey with a dark line through the eye. They have a short bill and fairly long legs. Their breeding habitat is marshes, including salt marshes, across eastern North America and central Canada. The bulky nest is attached to marsh vegetation, often with leaves arching over the top. On the central Atlantic coast, in the southern parts of their summer range, they are permanent residents. Other birds migrate to the southern United States.

Swamp Sparrow

The Swamp Sparrow, Melospiza georgiana, is a medium-sized sparrow. Adults have streaked rusty and black…

"Branch with fruits of Sapindus drummondi. a, a flower." -Whitney, 1911

Western Soapberry

"Branch with fruits of Sapindus drummondi. a, a flower." -Whitney, 1911

"Sapodilla (Sapota zapotilla). (a), the fruit; (b), the same, transversely cut." -Whitney, 1911

Sapodilla

"Sapodilla (Sapota zapotilla). (a), the fruit; (b), the same, transversely cut." -Whitney, 1911

"Greasewood (Sarcobatus vermiculatus). 1, with female flowers; 2, branch with fruits; a, a female flower; b, the fruit." -Whitney, 1911

Greasewood

"Greasewood (Sarcobatus vermiculatus). 1, with female flowers; 2, branch with fruits; a, a female flower;…