"Rhabdia lycioides. 1. its flower; 2. the corolla opened; 3. a cross section of the ovary; 4. a perpendicular…
"Rhododendron pumilum; 1. a calyx and pistil, with all stamens removed; 2. an anther; 3. a ripe capsule…
Some cells from stalk of Rhubarb-plant, three containing chlorophyll; two (one torn across) with rhaphides.
Spore-case torn out, and spores; one figure of the spores united; the other of the four separated.
Section of a grain of Rice, lengthwise, showing embryo outside the albumen, which forms the principal…
"The female of Hydrostachys verruculosa. 1. the calyx; 2. the same opened to show the ovary; 3. a seed;…
Section of seed of Rock Rose, Helianthemum Canadense; orthotropus, with curved embryo in the albumen.
"Root grafting in its different stages. a, Scion cut for insertion; b, stock prepared to receive the…
Grafting is a horticultural operation which consists in placing together the two cut surfaces of different…
"Budding. a, Budstick; b, T-shaped cut in bark of stock; c, bud ready for insertion; d, stock with bud…
"Cleft grafting (Herbaceous). a, Scion ready for insertion; b, stock; c, stock and scion unted; d, the…
Anastatica hierochuntina or the Rose of Jericho is member of the Brassicaceae family.
The Florida Rosemary: "Ceratiola ericoides. 1. a male flower; 2. a female; 3. a view of the ovary, with…
"Roxburghia gloriosoides; 1. the fruit; 2. a seed; 3. the same divided longitudinally." -Lindley, 1853
"Juncus acutiflorus; 1. a flower; 2. the pistil; 3. a perpendicular section of the ovary; 4. seeds;…
"Ruyschia amazonica. 1. a calyx and pistil; 2. a section of the ovary; 3. a seed; 4. the same, with…
A pink flower that typically blooms in June. The elliptical leaves are dark green, with silver specks…
Grafting is a horticultural operation which consists in placing together the two cut surfaces of different…
"1. Salva officinalis; 2. its corolla laid open; 3. its pistil; 4. the pistil and lower part of the…
An arrow-fronded fern with blackish, long leaves. They are common between Venezuela and Brazil.
Cycas revoluta or sago cycad is known as the king sago palm but is not a palm; it is a cycad.
"Cycas circinalis; 1. a portion of a female frond; 2. section of the naked ovule; 3. ripe fruit; 4.…
"3. a flower of Salsola Kali; 4. its ripe fruit; 5. the same magnified, with a portion of the leafy…
"Salvertia convallariodora. 1. an expanded flower; 2. a portion of the calyx, with the stamens; 3. a…
Plan of a one-celled ovary of three carpel-leaves, with parietal placentae, cut across below, where…
"Smilax glycyphylla; 1. a male flower seen from above; 2. a female flower; 3. a transverse section of…
"Lavradia Vellozii. 1. an expanded flower; 2. the stamens with exterior petaloid scales; 3. a seed;…
A wide-creeping fern with long reddish-brown fronds, which grow to be approximately 1 foot in length.…
"Scabiosa atropurpurea. 1. a flower; 2. the involucre opened to show the ovary and calyx; 3. perpendicular…
A variety of leaves with scales: "a, the scale-like leaves of the stem of Lathraea squamaria (toothwort);…
A scape is a flowering, leafless stem; shown here on two different plants. "1. Wild hyacinth (Scilla…
"Schubertia multiflora. 1. the anthers united to the stigma; 2. the ovary and stigma, from the latter…
A white flower with stripes of blue down the center. It typically blooms in the Spring, and is found…
Section of a flower moderately enlarged, showing a part of the petals and stamens, all five styles,…
"Uricle or addiional glumes of Carex rivularis" (Shining Flatsedge) -Lindley, 1853
3, The Fox Sedge (Carex vulpinoidea) and 4, the Fringed Sedge (Carex crinita).
Parts of the same, two of each kind, separated and displayed; the torus or receptacle in the centre;…