Datura Stramonium
Upper part of corolla of Datura Stramonium in the bud; and below a section showing the convolution of…
Septicidal Dehiscence
"Septicidal Dehiscence. v, valves; d, dissepiments; c, axis. In botany, noting a mode of dehiscence…
Delesseria Lepreiurei
A piece of the rose-red Delesseria Lepreiurei, showing that it is composed of a layer of cells.
Delesseria Lepreiurei
A piece of the rose-red Delesseria Lepreiurei, showing the cells are gelatinous and thick-walled.
Pteris Denticulata
A slightly-toothed fern with fronds ranging between 1 foot and 2 feet in length. It is a long and slender…
Desmid
Closterium acutum, a common Desmid. It is a single firm-walled cell, filled with green protoplasmic…
Deutzia
"Deutzia crenata. 1. a flower with the petals removed; 2. a fruit; 3. a portion of the same, showing…
Devil's Claw
"Martynia lutea. 1. a flower; 2. the pistil; 3. a section of its ovary." -Lindley, 1853
Diplopterys
"Diplopteris paralias; 1. a flower-bud, showing the double glands of the calyx; 2. an expanded flower;…
Dipterocarpus
"Dipterocarpus trinervis. a an anther; b a perpendicular, c a transverse, section of an ovary; d a fruit;…
Fungal Disease
Vermicularia trichella is a fungal plant disease that causes leaf and stem spot in English Ivy.
Fungal Diseas
"Mucor mucedo, very highly magnified, exhibiting 1, the spawn or mycelium." -Lindley, 1853
Dodder
"Cuscuta verrucosa. 1. ovary and calyx; 2. section of do.; 3. its fruit; 4. section of a seed of a Cuscuta;…
Greater Dodder
"Corolla, scales and stamens of, 1. Cuscuta europaea; 2. Cuscuta trifolii." -Lindley, 1853
Dogwood
"Benthamia japonica. 1. a flower; 2. a perpendicular section of the pistil; 3. a head of fruit; 4. a…
Doveweed
"Eremocarpus setigerus. 1. a young pistil; 2. a ripe fruit after dehiscing." -Lindley, 1853
Dutchman's Pipe
"Monotropa Hypopithys. 2. a flower; 3. a pistil; 4. the same divided perpendicularly; 5. a seed; 6.…
Mottled Dutchman's Pipe
"Aristolochia galeata. 1. fruit of an Aristolochia; 2. cross section of it; 3. half its seed." -Lindley,…
Early Flax Seedling
Growth of Flax seedling from a stem with two leaves and a bud, to a stem with several leaves and stem…
Indian Rubber Fig Ficus Elastica Shoot
An indian Rubber Fig, Ficus Elastica, shoot. The stipule, s, is shown to illustrate a new leaf growth…
Elder
"Sambucus nigra; 1. a flower; 2. a young pistil; 3. a cross section of its ovary; 4. a perpendicular…
Polypodium Vulgare Elegantissimum
An elegant form of the Polypodium vulgare. The fronds are very finely divided.
Indian Corn Embryo
The embryo, taken out whole: the thick mass is the cotyledon; the narrow body partly enclosed by it…
Mirabilis Embryo
A detached embryo from a Mirabilis, showing the very broad and leaf-like cotyledons, applied face to…
Formation of the Embryos
Figures to illustrate the earlier stages in the formation of an embryo; a single mass of protoplasm…
Silver Emubush
"Pholidia scoparia. 1. a corolla opened; 2. perpendicular section of ripe fruit; 3. cross section of…
Epiphytes of Florida and Georgia
Epidendrum conopseum, a small Orchid, and Tillandsia usneoides, the so-called Long Moss or Black Moss,…
Escallonia
"Escallonia pulverulenta. 1. a flower; 2. a cross section of the ovary; 3. fruit; 4. seed; 5. its perpendicular…
Exogenous Stem
Diagram of a cross section of a very young exogenous stem, showing six woody bundles or wedges.
Exogenous Stem
Diagram of a cross section of a very young exogenous stem, showing twelve woody bundles or wedges.
Exogenous Stem
Diagram of a cross section of an exogenous stem, the wedges filling the space, separated only by the…
Fat-Hen
"7. a flower of Chenopodium album; 8. a section of the same, showing the superior ovary; 9. its seed…
Feather Grass and Crested Dog's-Tail
"7. locusta of Stipa pennata" (Feather Grass); "8. rachis, bracteae, and florets of Cynosurus cristatus"…
Fern Spore Plant
"Spore-plant of a fern (Aspidium filix-mas). A, part of a rootstock and fronds; fr, young fronds unrollin.…
