Sium sisarum. "A species of water parsnip, generally said to be of Chinese origin, long cultivated in…
"A plant of the genus Scutellaria: so called from the helmet-like appendage to the upper lip of the…
Also known as Ulmus fulva. The branch of a Slippery Elm tree, native to eastern North America.
"Careya arborea. 1. one of the bundles of stamens; 2. a perpendicular section of the ovary; 3. section…
"Stem of "Smilax" (Myrsiphyllum). l, scale-like leaves; cl, cladophyll, or leaf-like branch, growing…
Sansevieria Zeylanica is the Latin name, but this plant is also called a Mother-in-law's Tongue. "A…
"Germinating seed of Ophiocaryon paradoxum. a. radicle; b. cauliculus; cc. cotyledons." -Lindley, 1853
"Flowering plant of sanicle (Sanicula marilandica). (a), a male flower; (b), the fruit." -Whitney, 1911
"2. corolla of Antirrhinum majus cut open; 3. its pistil; 4. its ripe fruit; 5. cross section of its…
"Sapindus senegalensis. 1. an expanded flower; 2. a petal; 3. the ovaries before fertilisation; 4. a…
"Soapwort (Saponaria), a genus of plants of the natural order Caryophyllaceæ; so called because…
"The common sorrel is a meadow plant, slender in habit, with halberd-shaped, juicy, acid flavored leaves,…
"Oxalis confertissima. 1. calyx; 2. stamens; 3. pistil; 4. seed and its section of O. acetosella" (common…
Also known as Quercus virginiana. The branch of a Southern Live Oak tree, native to the southeastern…
Also known as Magnolia grandiflora. The branch and flower of a Southern Magnolia plant, native to the…
Also known as Yucca schidigera. A flowering plant that is native to the Mojave Desert in the Western…
Also known as Yucca gloriosa. The branch of a Spanish Dagger plant, part of the agave family.
Also known as Quercus falcata. The branch of a Spanish Oak tree, naive to the eastern coast of the United…
Leaf-like structure more or less enclosing a fleshy inflorescence, particularly in the Araceae.
"Aneilema crispatum; 1. a flower; 2. the calyx and pistil; 3. the capsule; 4, 5, seeds; 6. a section…
"The common spindle tree (Euonymus europaeus) is a European shrub, which bears glossy lanceolate…
"Euonymus europaeus. 1. a section of a fruit; 2. a seed enveloped in its aril; 3. a perpendicular section…
Euphorbia caputmedusae or the Medusa's Head is a spurge from the diverse genus, Euphorbia.
"Canadian St.-John's-wort (Hypericum Canadense). a, leaf; b, seed-capsule." -Whitney, 1911
"Marsh St.-John's-wort (Triadenum Virginicum). a, flower; b, seed-capsule." -Whitney, 1911
"The European hedge woundwort, a tall hairy plant, with heart-shaped leaves, and numerous whorls of…
Extrorse or outward facing stamens of the flower of Hippocratea, a genus of staff vine.
Very short filament bearing a single anther-cell; it is open from top to bottom, showing the pollen…
Stamen of Mallow; the anther supposed to answer to that of Pentstemon pubescens, but the cells completely…
Stamen of Moonseed, with anther cut across; this 4-celled, or rather 4-locellate.
Stamen of Pentstemon pubescens; the two-anther-cells diverging, and almost confluent.
Stamens of the mint family. Of a Monarda: the two anther-cells with bases divergent so that they are…
Flower of Standing Cypress (Gilia coronopifolia); gamopetalous: the tube answering to the long claws…
"Star of Bethlehem, or Ornithogalum, a genus of bulbous plants belonging to the order Liliacae."—Finley,…