The Stems and Roots ClipArt gallery provides 87 illustrations of the various types of stem and root structures in plants.
"a.-- Truncated bulb of onion; b.-- onion leaf dissected off; c.-- bulb of lily. Bulb, a modified leaf-bud,…
"Diagram showing tissue-systems in young stem of castor-oil plant (Ricinus communis), as seen in cross-section.…
"Showing the planes in which sections are cut longitudinal radially" -Stevens, 1916
"Showing the planes in which sections are cut transversely." -Stevens, 1916
"Showing the planes in which sections are cut longitudinal tangentially." -Stevens, 1916
"Exogen. 1. Section of a branch of three years' growth: a, medulla or pith; b b, medullary sheath; e…
Ginger is the dried rhizome of the tropical plant Zingiber officinale. It is used in cookery, because…
A Palm-stem in transverse and longitudinal section, the dots on the cross sections represent cut ends…
"Diagram showing the relation of this year's leaves to the wood of the current year." -Stevens, 1916
Roots aid in support and nutrition for the plant. This is a runner root which sends down roots into…
"A single root hair on a large scale, showing that it is an outgrowth of an epidermal cell, and the…
"Apparatus to measure root-pressure. T, large tube fastened to the stump of the dahlia stem by a rubber…
"Laticiferous vessels from the cortex of root of Scorozonora hispanica...B, smaller portion." -Stevens,…
"Portion of a cross section of a root of Allium ascalonicum. h, large central, tracheal tube; i, xylem,…
"These roots are such as subdivide in the earth in a manner similar to the divisions of the stem, and…
"The bulb is a leaf-bud inclosed in scales or concentric layers, and is found either at the base of…
"The Cormus is that variety which increases beneath the earth by development of buds in the axils of…
"When the fibers of roots become enlarged by the deposition of starch, they form this variety of root."—Darby,…
"This variety consists of numerous fibers proceeding from the neck of the plant, and may be seen in…
"The variety which is very large at the base, but tapers abruptly, as in the Turnip."—Darby, 1855
Roots which never reach the ground are produced by certain plants whose seeds, lodged upon the boughs…
"The Rhizoma or Rootstock grows in a nearly horizontal direction, emitting roots from its under side,…
"When the root sinks perpendicularly into the earth, and tapers regularly from the base to the apex…
"Diagram to illustrate a root-hair (h) in the soil, and its relation to the soil-particles, the capillary…
"Didymous roots are those which produce a tubercle each year, and when the tubercle of one year arrives…
"Diagram showing the progressive development of the skeletal tissues from the apex toward the base of…
Piece of a stem of Soft Maple, of a year old, cut crosswise and lengthwise.
"Diagram showing some types of unusual growth in thickness. A, cross section through a four-year-old…
"Diagram showing some types of unusual growth in thickness...B, cross section of stem of species of…
"Diagram showing some types of unusual growth in thickness...C, portion of a cross section of stem of…
Short piece of stem of Flax, magnified, showing the bark, wood, and pith in a cross section.
"Adianium pedatum: transverse section of stem, showing the amphiphloic siphonostele." -Stevens, 1916