A plant which grows upon or just beneath the surface of the ground, or upon any other surface.
"This pruning or shortening of the roots causes the production of a new set of fibres from the severed…
An annual plant cultivated in gardens, and which serves as a salad. There are many species, most of…
An ornamental plant of the genius lilium, characterized by an erect stem from a scaly bulb, numerous…
A plant native to America and Eurasia, and which has a narcotic poison in all of its parts.
The fruit and plant of the vine-like herb originally from southern Africa. This flowering plant bears…
Any plant of the genus asclepias, of the milkweed family, so called from the milky juice that exudes…
Sometimes called the tree of life. Always associated with religious belief. It symbolizes Divine power…
Sometimes called the tree of life. Always associated with religious belief. It symbolizes Divine power…
Sometimes called the tree of life. Always associated with religious belief. It symbolizes Divine power…
Sometimes called the tree of life. Always associated with religious belief. It symbolizes Divine power…
An edible bulb, produced by a biennial herb of the lily family. The plant has tubulated leaves, a pithy…
The milky juice obtained fom the unripe capsules of several species of the poppy, which is rendered…
A trailing plant of the bean family, bearing a hairy stem, small yellow flowers, and two-paired primate…
A tropical plant much esteemed and cultivated for its fruit. It is so named because the fruit somewhat…
A group of plants remarkable for having leaves or petioles formed like pitchers, and in which more or…
A fleshy plant grown extensively as a garden vegetable. It is thought to be native to India, where it…
A shrubby plant belonging to the same genus as the blackberry. It is cultivated extensively as a garden…
An annual cereal plant native to India, but now extensively naturalized and cultivated for its seed.
An import cereal plant. It is native to the Levant but is cultivated extensively in temperate climates,…
A plant of the nightshade family, which is extensively cultivated for its edible fruit. The tomato is…
An ornamental bulbous plant, native to tropical America and Asia, and cultivated in gardens for its…
A biennial plant of the mustard family, which is cultivated for its fleshy globular, edible root.
This illustration shows a potato plant. The tubers are the thickened ends of the under ground stems.
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…
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…
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…
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…
This illustration shows the colonial forms of unicellular green algae: A, Pediastrum, the plants of…
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…
This illustration shows stages in the germination of the gametospore of Lepidium, sectional view: A,…
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…
In architecture, a piercing or panel divided by cusps or foliations into four leaves, or more correctly…