This illustration shows a stem of a plant. e; epidermis; s, stoma; p, palisade mesophyll; ch, chloroplast; sp, spongy mesophyll; i, intercellular spaces; v, small vein cut across; l, end of vein seen from the side, sonsisting of elongated and banded cells.

Epidermis

This illustration shows a stem of a plant. e; epidermis; s, stoma; p, palisade mesophyll; ch, chloroplast;…

This illustration shows a section across a stoma. The stoma is the tiny opening or pore, found mostly on the undersurface of a plant leaf, and used for gas exchange.

Stoma

This illustration shows a section across a stoma. The stoma is the tiny opening or pore, found mostly…

A genus of the plant family Araliaceae, consisting of about 30 species of deciduous and evergreen trees and shrubs.

Aralia

A genus of the plant family Araliaceae, consisting of about 30 species of deciduous and evergreen trees…

Figure A shows the leaf position of the light sensitive plant, Mimosa in sunlight. Figure B shows it in darkness.

Mimosa

Figure A shows the leaf position of the light sensitive plant, Mimosa in sunlight. Figure B shows it…

This illustration shows a close up of the plant tradescantia. It shows the delicate character of the cells and the raised stoma of this shade plant.

Tradescantia

This illustration shows a close up of the plant tradescantia. It shows the delicate character of the…

This illustration shows a section of the leaf of skunk cabbage, Spathyema. Note the poorly developed palisade tissue and the loose arrangement of the cells of this plant which lives in moist, shaded places.

Spathyema

This illustration shows a section of the leaf of skunk cabbage, Spathyema. Note the poorly developed…

This illustration shows the features in the life history of Chlamydomonas: A, character of the motile plant. B, conjugation of isogamous gametes. C, a plant dividing to form numerous small male gametes. D, a plant forming two large female gametes. E, male and female gametes about to conjugate.

Chlamydomonas

This illustration shows the features in the life history of Chlamydomonas: A, character of the motile…

This illustration shows the features in the life history of Pandorina: A, a colony of plants. B, each plant of the colony dividing to form a new colony. C, the plants of a colony escaping as gametes. D, the conjugation of two gametes of unequal size. E, later stage in the conjugation. F, gametospore or resting spore. G, Large zoospore formed from the gametospore. H, a colony formed by the division of the zoospore, G.

Pandorina

This illustration shows the features in the life history of Pandorina: A, a colony of plants. B, each…

This illustration shows the colonial forms of unicellular green algae: A, Pediastrum, the plants of the colony being arranged in a flat plate. B, a view of the outer cells of the colony showing the formation of a new colony. C, one of these new colonies. D, a plant of the water net containing a young colony. E, enlarged view of one of the meshes of a net showing the geometrical arrangement of the plants.

Green Algae

This illustration shows the colonial forms of unicellular green algae: A, Pediastrum, the plants of…

A loop made in a rope by crossing the two parts and seizing them together.

Cuckold Knot

A loop made in a rope by crossing the two parts and seizing them together.

This illustration shows the germination of the spore Sphagnum: A, early growth of the spore. B, later development-sp, spore; b, bud developing into moss plant. C, margin of the thallus, showing the origin of the bud.

Sphagnum

This illustration shows the germination of the spore Sphagnum: A, early growth of the spore. B, later…

This illustration shows a common cultivated Selaginella: I, habit of the plant-s, strobili; b, a branch bearing roots, r. 1A, portion of the stem, showing leaf arrangement.

Selaginella

This illustration shows a common cultivated Selaginella: I, habit of the plant-s, strobili; b, a branch…

A creeping herb plant.

Cucurbita

A creeping herb plant.

This illustration shows stages in the germination of the gametospore of Lepidium, sectional view: A, micropylar end of embryo sac, showing the enlarging gametospore provided with cell wall and attached to wall of sac. B, later growth-s, suspensor; e, embryo cell; en, endosperm cells. C, pro-embryo after first division of embryo cell. D, further divisions of embryo cell, showing formation of an epidermis and a central stem region. E, later growth, two growing regions, the cotyledons, appearing on the sides of the stem. F, plant or embryo, consisting of two cotyledons, c; stem, st, which terminates in the root, r; the endosperm cells, en, are ebing absorbed by the enlarging embryo; s, suspensor.

Lepidium

This illustration shows stages in the germination of the gametospore of Lepidium, sectional view: A,…

This is a diagram of the cross section of a fish, showing the bilateral symmetry of the parts: dv, dorsoventral axis; vl, right-left axis. a.p., anterior appendage; b.c., body cavity; ch, notochord; d.f., dorsal fin; g, gut; h, heart; h.a., haemal arch; m, muscles; n.., neural arch; sp, spinal cord; v.c., vertebral column.

Fish

This is a diagram of the cross section of a fish, showing the bilateral symmetry of the parts: dv, dorsoventral…

A common fern plant.

Fern

A common fern plant.

A common fern plant.

Fern

A common fern plant.

The genus Mammillaria is one of the largest in the cactus family Cactaceae. the distinctive feature of the genus is the specific development of an areole, that is split into two clearly separated parts, one occurring at the tubercules apex, the other at its base.

Mammillaria

The genus Mammillaria is one of the largest in the cactus family Cactaceae. the distinctive feature…

This illustration shows a portion of switchgrass. It is a warm-season plant and it is one of the dominany species of the central North America tallgrass prairie. Switchgrass can be found in remnant prairies, along roadsides, pastures or as an ornamental in gardens.

Redtop

This illustration shows a portion of switchgrass. It is a warm-season plant and it is one of the dominany…

This is an illustration of the Indian Millet plant. It is native to Nevada and Utah in the southwestern United States.

Indian Millet

This is an illustration of the Indian Millet plant. It is native to Nevada and Utah in the southwestern…

In architecture, a piercing or panel divided by cusps or foliations into four leaves, or more correctly the leaf shaped figure formed by the cusps. It is supposed to represent the four leaves of a cruciform plant.

Quatrefoil

In architecture, a piercing or panel divided by cusps or foliations into four leaves, or more correctly…

A flowering branch of a carrot plant.

Carrot

A flowering branch of a carrot plant.

The fruit of the carrot plant.

Carrot

The fruit of the carrot plant.

A horse, with names of parts. 1, crest; 2, withers; 3, croup; 4, hamstring; 5, hock; 6, cannon; 7, fetlock; 8, pastern; 9, hoof; 10, coronet; 11, arm; 12, gullet; 13, muzzle.

Horse

A horse, with names of parts. 1, crest; 2, withers; 3, croup; 4, hamstring; 5, hock; 6, cannon; 7, fetlock;…

A well-known climbing shrub, which consists of climbing plants with woody stems, simple or compound leaves, small green flowers, and round berries.

Vine

A well-known climbing shrub, which consists of climbing plants with woody stems, simple or compound…

Applied to various parts. To adjust it to the head make several turns around the head, then pass the bandage backward and forward over the scalp until the parts are covered. Secure the turns with pins or strips of adhesive plaster.

Recurrent Bandage

Applied to various parts. To adjust it to the head make several turns around the head, then pass the…

Applied to parts which do not vary in circumference. It is applied like the oblique except that the turns overlap each other.

Spiral Bandage

Applied to parts which do not vary in circumference. It is applied like the oblique except that the…

A complicated plant with trifoliate leaves, small flowers, and flat, deeply lobed and jointed pods.

Telegraph Plant

A complicated plant with trifoliate leaves, small flowers, and flat, deeply lobed and jointed pods.

This illustration shows the machine used to compress cotton.

Cotton Compresser

This illustration shows the machine used to compress cotton.

Bones situated at the sides and base of the skull. Each consists of five parts: the squama, the petrous, mastoid, and tympanic parts, and the styloid process.

Temporal Bone

Bones situated at the sides and base of the skull. Each consists of five parts: the squama, the petrous,…

Scheme showing the connection of the several parts to the brain.

Brain

Scheme showing the connection of the several parts to the brain.

A plant bearing a tall raceme of large, drooping, bell shaped flowers.

Foxglove

A plant bearing a tall raceme of large, drooping, bell shaped flowers.

A plant with a rosette of root leaves, from which rises a naked scape bearing a corymb of rather large white flowers. The leaves are covered in fine irritable hair, and when touched by a fly or other insect the lobes of the leaf suddenly close on the insect and capture it

Venus Fly Trap

A plant with a rosette of root leaves, from which rises a naked scape bearing a corymb of rather large…

The fruit and flowers of a female yam plant.

Yam

The fruit and flowers of a female yam plant.

The male flowers of a yam plant.

Yam

The male flowers of a yam plant.

A plant whose leaves hold water.

Fuller's Teazel

A plant whose leaves hold water.

The flower of a daisy plant.

Daisy Flower

The flower of a daisy plant.

Diagram showing air gaps between parts of Gray & Davis apparatus.

Air Gaps

Diagram showing air gaps between parts of Gray & Davis apparatus.

The circulation of protoplasm (p) in a cell of the stamen-hair of Tradescania. In the channels the granules move back and forth to the various parts of the cell. The remainder of the cell is filled with cell-sap (s) which in these cells is colored.

Protoplasm

The circulation of protoplasm (p) in a cell of the stamen-hair of Tradescania. In the channels the granules…

Diagram showing the principal parts of the cell and something of the protoplasmic architecture as it might appear while living. a, alveoli or spheres in the foam-work; c, centrosome; cy, cytoplasmic meshwork, containing granules; nu., nucleus; n, nucleolus; v. vacuole; w, cell wall.

Cell

Diagram showing the principal parts of the cell and something of the protoplasmic architecture as it…

"Scheme showing the essential relations of the parts of a nervous system: 1, the sensory end organ (epithelial); 2, afferent nerve tract; 3, central nervous cells (ganglia); 4, efferent nerves, leading to 5, muscle, gland, etc. g, ganglion cells; gl., gland; m, muscle fibre; n.f., nerve fibre; s.e., sensory epithelium." — Galloway

Nervous System

"Scheme showing the essential relations of the parts of a nervous system: 1, the sensory end organ (epithelial);…

"Pearly Nautilus. e, eye; h, hood, a muscular portion of the foot which protects the softer parts; s, siphon; se, septa, separating the successive chambers of the shell; sp, siphuncle; t, tentacles." — Galloway

Pearly Nautilus

"Pearly Nautilus. e, eye; h, hood, a muscular portion of the foot which protects the softer parts; s,…

Floral border.

Floral Border

Floral border.

An insect resembling a plant leaf.

Leaf Bug

An insect resembling a plant leaf.

A plant bug, the beak extending to the middle of the abdomen.

Phytocoris

A plant bug, the beak extending to the middle of the abdomen.

A bird that does much damage by cutting tender sprouts and buds with their serrated bill.

Plant Cutter

A bird that does much damage by cutting tender sprouts and buds with their serrated bill.

A common bird found in nearly all parts of the world

Domestic Pigeon

A common bird found in nearly all parts of the world

The pepper plant.

Pimento

The pepper plant.

A plant with the flowers having the style and stamens much exserted and are quite variable in color. Ranging from pink, purple, and sometimes yellow.

Purple Azalea

A plant with the flowers having the style and stamens much exserted and are quite variable in color.…

The common ivy is a wellknown native of Britian and most parts of Europe and some parts of America. It has long, creeping, branched stems, climbing on trees and walls to a great height, by means of rootlets which cling to rough surfaces.

Ivy

The common ivy is a wellknown native of Britian and most parts of Europe and some parts of America.…

"The name of several classes of fungi. The best known is the common mushroom. It has a fleshy head, smooth or scaly on the upper surface, varying from white to tawny shades or brown. The gills on the under side of the head are at first pallid, changing slowly with the plant's growth to pink, purple and brown-black." — Beach, 1900

Mushroom

"The name of several classes of fungi. The best known is the common mushroom. It has a fleshy head,…

"The national emblem of Ireland, is a plant with a leaf formed from three leaflets. It is thought to be the wood-sorrel, a native of Ireland, by some, and by others the name is given to the bird's-foot trefoil." — Beach, 1900

Shamrock

"The national emblem of Ireland, is a plant with a leaf formed from three leaflets. It is thought to…

"If a pyramid be cut by a plane, parallel to the base, so as to form two parts, the lower part is called the frustum of the pyramid." — Hallock, 1905

Pyramid

"If a pyramid be cut by a plane, parallel to the base, so as to form two parts, the lower part is called…

"If a cone be cut by a plane, parallel to the base, so as to form two parts, the lower part is called the frustum of the cone." — Hallock, 1905

Cone

"If a cone be cut by a plane, parallel to the base, so as to form two parts, the lower part is called…

"Curves other than arcs of circles are drawn with the pencil or ruling pen by means of curved or irregular-shaped rulers, called irregular curves. A series of points is first determined through which the curved line is to pass. The line is then drawn through these points by using such parts of the irregular curve as will pass through several of the points at once, the curve being shifted from time to time as required." — Hallock, 1905

Irregular Curves

"Curves other than arcs of circles are drawn with the pencil or ruling pen by means of curved or irregular-shaped…

"The outer edge is a semicircle, with center at 0, and is divided into 360 parts. Each division is one-half of one degree, and, for convenience, the degrees are numbered from 0 to 180 from both A and B." — Hallock, 1905

Protractor

"The outer edge is a semicircle, with center at 0, and is divided into 360 parts. Each division is one-half…

A section of an ovule. An ovule is a structure found in seed plants that develops into a seed after fertilization.

Ovule

A section of an ovule. An ovule is a structure found in seed plants that develops into a seed after…

The fruit of Ficus carica, which is native to Asia. The genus is an enormous one in the tropics. There are about 150 different varieties of cultivated figs.

Fig Plant

The fruit of Ficus carica, which is native to Asia. The genus is an enormous one in the tropics. There…

"A long-winged water-bird with webbed feet, inhabiting all parts of the world. The group to which gulls belong embraces also the terns, and these two kinds of birds are closely related." — Beach, 1909

Great Black Backed Gull

"A long-winged water-bird with webbed feet, inhabiting all parts of the world. The group to which gulls…

"A long-winged water-bird with webbed feet, inhabiting all parts of the world. The group to which gulls belong embraces also the terns, and these two kinds of birds are closely related." — Beach, 1909

Black-headed Gull

"A long-winged water-bird with webbed feet, inhabiting all parts of the world. The group to which gulls…