ClipArt ETC
"Regeneration at the leaf-base of potato leaves (Solanum tuberosum). a, roots formed; b, tuber-like enlargement; c, same as b, with roots; d, formation of true tuber." -Gager, 1916

Potato Root Stages

"Regeneration at the leaf-base of potato leaves (Solanum tuberosum). a, roots formed; b, tuber-like…

"Morphology of typical monocotyledonous plant. A, leaf, parallel-veined; B, portion of stem, showing irregular distribution of vascular bundles; C, ground plan of flower (the parts in 3's); D, top view of flower; E, seed, showing monocotyledonous embryo." -Gager, 1916

Monocotyledonous Morphology

"Morphology of typical monocotyledonous plant. A, leaf, parallel-veined; B, portion of stem, showing…

"Morphology of a typical dicotyledonous plant. A, leaf, pinnately-netted veined; B, portion of stem, showing concentric layers of wood; C, ground-plan of flower (the parts in 5's); D, perspective of flower; E, longitudinal section of seed, showing dicotyledonous embryo." -Gager, 1916

Dicotyledonous Morphology

"Morphology of a typical dicotyledonous plant. A, leaf, pinnately-netted veined; B, portion of stem,…

"Black mustard (Brassica nigra)." -Gager, 1916

Black Mustard

"Black mustard (Brassica nigra)." -Gager, 1916

"Chicory (Cichorium Intybus). A, portion of flowering branch; B, basal leaf (runcinate-pinnatifid); C, median longitudinal section through a head, showing the insertion of the flowers; D, individual flower; E, fruit (ripened ovary), showing the persistent pappus (calyx) of short scales." -Gager, 1916

Common Chicory

"Chicory (Cichorium Intybus). A, portion of flowering branch; B, basal leaf (runcinate-pinnatifid);…

"Top, lateral pinna from a leaf of Marattia jraxinea. Below at left, synangium of same. At right, corss-section of the synangium." -Gager, 1916

Marratia Fern

"Top, lateral pinna from a leaf of Marattia jraxinea. Below at left, synangium of same. At right, corss-section…

"Cycadeoidea Wielandi. Longitudinal section through the axis of a female inflorescence, or cone. l, old leaf-base; d, insertion of disc; s, erect seed, borne at summit of seed-pedicle inserted on convex receptacle; b, hair covered bract." -Gager, 1916

Cycadeoid

"Cycadeoidea Wielandi. Longitudinal section through the axis of a female inflorescence, or cone. l,…

The seed, flower, and leaf of a dandelion.

Dandelion

The seed, flower, and leaf of a dandelion.

The leaves and fruit of the elm tree.

Elm Leaves and Fruit

The leaves and fruit of the elm tree.

"The nest of the Tailor-Bird is placed in a large leaf, the margins of which are sewn together, so as to form a bag."

Nest of Tailor-Bird

"The nest of the Tailor-Bird is placed in a large leaf, the margins of which are sewn together, so as…

This insect has a natural camouflage and appears just a leaf.

Leaf Insect (Phyllium Scythe), Female

This insect has a natural camouflage and appears just a leaf.

An engraving from the second leaf of the block book, Canticum Canticorum (Song of Songs).

Canticum Canticorum

An engraving from the second leaf of the block book, Canticum Canticorum (Song of Songs).

"Their attitudes deceive even the close observer; they embrace the stem of the leaf or twig with their hinder or intermediate legs, whilst the rest of their body, vertically elevated, remans stiff and immovable for hours together."

Caterpillar of the Canary-Shouldered Thorn

"Their attitudes deceive even the close observer; they embrace the stem of the leaf or twig with their…

"When the caterpillar wants to gnaw the edge of a leaf, it twists its body in such a way that at least one portion of the edge of the leaf is held between its legs, while the insect's jaws cut the leaf."

Looper Caterpillar Eating the Leaves of the Apricot (After Reaumur)

"When the caterpillar wants to gnaw the edge of a leaf, it twists its body in such a way that at least…

The longleaf pine commonly found in the South Atlantic and Gulf States. The leaves come 3 in a bundle, 9 to 12 inches long.

Longleaf Pine (Pinus palustris Mill.). Two-thirds natural size. Leaf bundle.

The longleaf pine commonly found in the South Atlantic and Gulf States. The leaves come 3 in a bundle,…

The longleaf pine commonly found in the South Atlantic and Gulf States. The leaves are 9 to 12 inches long.

Longleaf Pine (Pinus palustris Mill.). Two-thirds natural size. Primary leaf bracts (magnified)

The longleaf pine commonly found in the South Atlantic and Gulf States. The leaves are 9 to 12 inches…

The longleaf pine commonly found in the South Atlantic and Gulf States. The leaves are 9 to 12 inches long.

Longleaf Pine (Pinus palustris Mill.). Two-thirds natural size. epidermis of leaf (magnified)

The longleaf pine commonly found in the South Atlantic and Gulf States. The leaves are 9 to 12 inches…

Certain caterpillars will roll an oak leaf in order to take refuge inside. "Packets of threads are attached by one end to the surface of the roll, and by the other to the flat surface of the leaf."

Oak Leaf Rolled Perpendicularly

Certain caterpillars will roll an oak leaf in order to take refuge inside. "Packets of threads are attached…

Certain caterpillars will roll an oak leaf in order to take refuge inside. "Packets of threads are attached by one end to the surface of the roll, and by the other to the flat surface of the leaf."

Oak Leaf Rolled Sideways

Certain caterpillars will roll an oak leaf in order to take refuge inside. "Packets of threads are attached…

1. Leaf with batches of eggs laid upon it. 2. Batches of recently aid eggs. 3. Eggs in which caterpillars can be perceived. 4. Batch of eggs from which the caterpillars have already emerged. 5. Small caterpillars hanging by threads. 6. Leaf with the chrysalis. 7. Caterpillar. 8. Moth.

The Vine Pyralis in its Three States

1. Leaf with batches of eggs laid upon it. 2. Batches of recently aid eggs. 3. Eggs in which caterpillars…

"The Leaf Cutting Bees make their nests in tubes lined with the leaves of the rose, the willow, the lilac, etc., placed in a cylindrical burrow."

Rose Megachile Bee (Megachile Centuncularis)

"The Leaf Cutting Bees make their nests in tubes lined with the leaves of the rose, the willow, the…

An illustration of a broad leaf laurel.

Broad leaf laurel

An illustration of a broad leaf laurel.

Vermicularia trichella is a fungal plant disease that causes leaf and stem spot in English Ivy.

Fungal Disease

Vermicularia trichella is a fungal plant disease that causes leaf and stem spot in English Ivy.

"Galls on the leaf of an Ochnaceous plant." -Lindley, 1853

Galls

"Galls on the leaf of an Ochnaceous plant." -Lindley, 1853

"Woolly Oak-gall, produced by Cynips Quercus ramuli." -Lindley, 1853

Gall Wasp

"Woolly Oak-gall, produced by Cynips Quercus ramuli." -Lindley, 1853

"A greatly magnified view of a perpendicular section of Parmelia aipolia, showing the thecae in the shield, a; b, the hypothecium and some gonidia beneath it; c, the medullary region; and d, the gonimic layer." -Lindley, 1853

Leaf Lichen

"A greatly magnified view of a perpendicular section of Parmelia aipolia, showing the thecae in the…

The leaf insect or walking leaf is an insect that has the appearance of a leaf from the family Phylliidae.

Leaf Insect

The leaf insect or walking leaf is an insect that has the appearance of a leaf from the family Phylliidae.

"The caterpillar of which, commonly known as the tobacco-worm in the Middle States, is very destructive to the leaf of the tobacco-plant, when the worm is young, by eating holes in the leaves, thus spoiling them for use as wrappers for cigars, and when old by devouring the whole of the leaf itself." -Watts, 1874

Tobacco worm

"The caterpillar of which, commonly known as the tobacco-worm in the Middle States, is very destructive…

"The branch vascular bundles will be distinctly seen, resembling in some respects the arteries and veins of the human body. A careful examination will show that these are also covered with a very fine lace-work of cells under and over them, and interspersed among the latter will be seen a vast assemblage of translucent dottings, each having an opening across it corresponding to those of the stomates under which they were situated before dissection." -Watts, 1874

Microscopic view of a leaf

"The branch vascular bundles will be distinctly seen, resembling in some respects the arteries and veins…

"Under the power of about 90 diameters the general character of the peridia is seen. They are densely aggregated, elongated, submerged, pale-brown, irregularly torn. The sporidia are copius...Nos. 1 and 2, indicate the general points of growth of this fungus. I find frequently on the leaf-ribs and terminal points of the leaves, and very often dispersed over the smooth parts of the leaf; sometimes, although rarely, the peridia are on the upper surface which, when matured, resembles net work. At the juncture of the leaf (see 4) the cells of the peridia are nearly round, at 5, oblong. From 3 to 4 the cellular structure is of light Vandyke brown; at 5, a pale yellow...6 represents the appearance of the peridia as see by the naked eye; 7, their general arrangements and their groupings on the leaves; 8, three cells, showing the parts of which the peridia are composed being magnified about 125 diameters." -Watts, 1874

Cellular structure of peridia

"Under the power of about 90 diameters the general character of the peridia is seen. They are densely…

Beetles in the family Chrysomelidae are commonly known as leaf beetles.

Lina Populi

Beetles in the family Chrysomelidae are commonly known as leaf beetles.

Herminium monorchis or the Musk Orchid is a flowering plant of the Orchid family.

Musk Orchid

Herminium monorchis or the Musk Orchid is a flowering plant of the Orchid family.

The capsule of Ténon consists of a thin membrane which envelops the eyeball from the optic nerve to the ciliary region, separating it from the orbital fat and forming a socket in which it plays. Shown is the capsule of Ténon. The aponeurosis is seen from behind forward on the posterior hemisphere of the globe. Labels: a, Cellulofibrous intermuscular lamina; b, deep leaf of the sheath incised at the point where it leaves the muscle to fold itself on the posterior hemisphere when it forms the posterior capsule; d, Partly incised; c, Serous membrane.

Capsule of Ténon

The capsule of Ténon consists of a thin membrane which envelops the eyeball from the optic nerve…

"1. Leaf of Ouvirandra fenestralis; 2. a flower cut open; 3. section of a ripe carpel of O. Bernieriana; 4, 5. embryo in different positions: the thicker part is cotyledon, the smaller the plumule." -Lindley, 1853

Lattice Leaf Plant

"1. Leaf of Ouvirandra fenestralis; 2. a flower cut open; 3. section of a ripe carpel of O. Bernieriana;…

"Leaves of Zamias." -Lindley, 1853

Zamia Leaves

"Leaves of Zamias." -Lindley, 1853

"Cone of Pinus muricata, showing the difference between the outer and inner sides of the same strobilius when the inner side is pressed against a branch. 1. A pair of leaves; 2. the end of the leaf magnified; 3, a seed, natural size." -Lindley, 1853

Bishop Pine

"Cone of Pinus muricata, showing the difference between the outer and inner sides of the same strobilius…

"1. Acer circinatum. 2. flower of A. campestre; 3. its samara; 4. the same, with the seed laid bare; 5. the embryo unfolded." -Lindley, 1853

Vine Maple

"1. Acer circinatum. 2. flower of A. campestre; 3. its samara; 4. the same, with the seed laid bare;…

"Ruyschia amazonica. 1. a calyx and pistil; 2. a section of the ovary; 3. a seed; 4. the same, with a portion of the testa torn open to show the cotyledons." -Lindley, 1853

Ruyschia

"Ruyschia amazonica. 1. a calyx and pistil; 2. a section of the ovary; 3. a seed; 4. the same, with…

"Hypericum floribundum; 1. an entire flower; 2. a bundle of stamens; 3. a pistil with 3 carpels; 4. a seed laid horizontally and cut through, to show the embryo and netted testa; 5. a piece of a leaf with transparent dots." -Lindley, 1853

Hypericum

"Hypericum floribundum; 1. an entire flower; 2. a bundle of stamens; 3. a pistil with 3 carpels; 4.…

"Nymphaea coerulea. 1. a perpendicular section of a seed of N. alba; 2. half an embryo, showing the great plumule lying in the cavity of one cotyledon." -Lindley, 1853

Egyptian Blue Lily

"Nymphaea coerulea. 1. a perpendicular section of a seed of N. alba; 2. half an embryo, showing the…

"Aptandra Spruceana. 1. an expanded flower; 2. a petal; 3. tube of stamens, with 4 petaloid glands at the base; 4. pistil; 5. section of ovary." -Lindley, 1853

Aptandra

"Aptandra Spruceana. 1. an expanded flower; 2. a petal; 3. tube of stamens, with 4 petaloid glands at…

The Arkansas State capital Building, located in Little Rock, is the seat of government of the state of Arkansas. The exterior of the Capital is made of limestone, which was quarried in Batesville, AR. Total construction was $2.2 million with today's value of the building being $320 million. The front entrance doors are made of bronze, which are ten feet tall, four inches thick, and were purchased from Tiffany's in New Tork for $10,000. The cupola is covered in 24 karat gold leaf. Construction took 16 years -- from 1899 to 1915.

Arkansas State Capital

The Arkansas State capital Building, located in Little Rock, is the seat of government of the state…

Built between 1175 and 1490, Wells Cathedral has been described as "the most poetic of the English Cathedrals". Much of the structure is in the Early English style and is greatly enriched by the deeply sculptural nature of the mouldings and the vitality of the carved capitals in a foliate style known as "stiff leaf". The eastern end has retained much original glass, which is rare in England. The exterior has a splendid Early English façade and a large central tower.

Wells Cathedral, Somerset

Built between 1175 and 1490, Wells Cathedral has been described as "the most poetic of the English Cathedrals".…

Kava or Piper methysticum is a crop from the pepper family.

Kava

Kava or Piper methysticum is a crop from the pepper family.

Matico or Piper aduncum is a pepper crop also known as Artanthe elongata.

Matico

Matico or Piper aduncum is a pepper crop also known as Artanthe elongata.

"Litsaea Baueri. 1. a male flower; 2. a female; 3. a stamen, with a gland at the base; 4. an anther, with the recurved valves; 5. a cluster of fruit; 6. a cotyledon seen from within, with the plumule adhering to the inner face." -Lindley, 1853

Litsea

"Litsaea Baueri. 1. a male flower; 2. a female; 3. a stamen, with a gland at the base; 4. an anther,…

"Moquileae canomensis. 1. a flower; 2. an ovary; 3. a perpendicular section of the last; 4. a fruit; 5. a kernel." -Lindley, 1853

Couepia

"Moquileae canomensis. 1. a flower; 2. an ovary; 3. a perpendicular section of the last; 4. a fruit;…

"Chailletia pedunculata. 1. a flower of Moacurra gelonioides; 2. a portion of it; 3. a stamen; 4. the pistil; 5. a vertical section of it; 6. ripe fruit; 7. a section of it; 8. an embryo." -Lindley, 1853

Chailletia

"Chailletia pedunculata. 1. a flower of Moacurra gelonioides; 2. a portion of it; 3. a stamen; 4. the…

"Dorystigma. 1. a corolla laid open; 2. calyx and pistil; 3. seed; 4. section of ditto." -Lindley, 1853

Pandanus

"Dorystigma. 1. a corolla laid open; 2. calyx and pistil; 3. seed; 4. section of ditto." -Lindley, 1853

"Hydrophyllum canadense. 1. a flower; 2. a pistil; 3. a perpendicular section of the ovary; 4. a cross section; 5. Section of seed of H. virginianum." -Lindley, 1853

Bluntleaf Waterleaf

"Hydrophyllum canadense. 1. a flower; 2. a pistil; 3. a perpendicular section of the ovary; 4. a cross…

"1. Medinilla macrocarpa; 2. stamens of M. radicans; 3. perpendicular section of its ovary; 4. a section of its seed; 5. embryo." -Lindley. 1853

Medinilla

"1. Medinilla macrocarpa; 2. stamens of M. radicans; 3. perpendicular section of its ovary; 4. a section…

Medinilla Sieboldiana is a flowering plant of the Melastomataceae family.

Siebold's Medinilla

Medinilla Sieboldiana is a flowering plant of the Melastomataceae family.

"Eugenia tuberculata. 1. a flower; 2. the same divided vertically; 3. a stamen; 4. a ripe fruit; 5. a leaf with the dots upon it." -Lindley, 1853

Myrtle

"Eugenia tuberculata. 1. a flower; 2. the same divided vertically; 3. a stamen; 4. a ripe fruit; 5.…

"Byrsanthus Brownii. 1. diagram of the flower; 2. section of a flower; 3. section across the ovary; 4. section of a seed." -Lindley, 1853

Byrsanthus

"Byrsanthus Brownii. 1. diagram of the flower; 2. section of a flower; 3. section across the ovary;…

"Careya arborea. 1. one of the bundles of stamens; 2. a perpendicular section of the ovary; 3. section of the seed." -Lindley, 1853

Slow Match Tree

"Careya arborea. 1. one of the bundles of stamens; 2. a perpendicular section of the ovary; 3. section…

"Sambucus nigra; 1. a flower; 2. a young pistil; 3. a cross section of its ovary; 4. a perpendicular section of the fruit." -Lindley, 1853

Elder

"Sambucus nigra; 1. a flower; 2. a young pistil; 3. a cross section of its ovary; 4. a perpendicular…

"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,…

The Phasmatodea (sometimes called Plasmodia) are an order of insects, whose members are variously known as stick insects (in Europe), walking sticks or stick-bugs (in the United States of America), phasmids, ghost insects and leaf insects (generally the family Phylliidae). The ordinal name is derived from the Greek "phasma" meaning an apparition or phantom, and refers to the resemblance of many species to sticks or leaves. Their natural camouflage can make them extremely difficult to spot. A few species (for example those in the genus Anisomorpha) are capable of secreting a substance from glands on the metathorax that can cause an intense burning irritation of the eyes (and in some cases temporary blindness) and mouth of potential predators on contact.

Stick Insect

The Phasmatodea (sometimes called Plasmodia) are an order of insects, whose members are variously known…

Grasshoppers are herbivorous insects of the suborder Ceasefire in the order Orthoptera. To distinguish them from bush crickets or katydids, they are sometimes referred to as short-horned grasshoppers. Species that change color and behavior at high population densities are called locusts. Recent estimates (Kevan 1982; Günther, 1980, 1992; Otte 1994-1995; subsequent literature) indicate some 2,400 valid Caeliferan genera and about 11,000 valid species described to date. Many undescribed species exist, especially in tropical wet forests.

Oblong Leaf-Winged Grasshopper

Grasshoppers are herbivorous insects of the suborder Ceasefire in the order Orthoptera. To distinguish…

Illustration of a pupa attached to a leaf. A pupa (Latin pupa for doll, pl: pupae or pupas) is the life stage of some insects undergoing transformation. The pupal stage is found only in holometabolous insects, those that undergo a complete metamorphosis, going through four life stages; embryo, larva, pupa and imago.

Pupa

Illustration of a pupa attached to a leaf. A pupa (Latin pupa for doll, pl: pupae or pupas) is the life…