Castor-Oil Plant Stem
"Diagram showing tissue-systems in young stem of castor-oil plant (Ricinus communis), as seen in cross-section.…
Castor-Oil Plant Stem
"The castor-oil plant (Ricinus communis). Portion of cross-section of young stem. co, Cortex; p, pith…
Catalpa
Corolla of Catalpa laid open, displaying two good stamens and three abortive ones or vestiges.
Greater Celandine
The flower and fruit of Chelidonium majus, also known as the greater celandine or tetterwort.
Centrolepis
"Centrolepis fascicularis. 1. A head of flowers; 2. a single flower separated; 3. an ovary with the…
Chailletia
"Chailletia pedunculata. 1. a flower of Moacurra gelonioides; 2. a portion of it; 3. a stamen; 4. the…
Chara fragilis
"1. Antherid and spore-case of Chara fragilis not much magnified; 2. the same at a later period, after…
Chay Root
The Chay Root (Oldenlandia umbellata) is a plant native to India used for the red dye that can be extracted…
Cherry Blossom Flower
This is the flower of the cherry blossom cut in half to show the ovary, style and stigma.
Mouse-Ear Chickweed
"Monstrous flower of a Cerastium; 2. the pistil and stamens separate; 3. the ovary forced open to show…
Nodding Chickweed
"c, flower of Cerastium longipedunculatum, seen from below: s, a sepal." -Whitney, 1911
Nodding Chickweed
"d, calyx, showing the five free sepals" of the Nodding Chickweed (Cerastium nutans) -Whitney, 1911
Chondrus Crispus
Small plant of Chondrus crispus, Carrageen Moss; the spots represent the fructification, consisting…
Cissampelos
"Cissampelos tropaeolifolia. 1. a female flower; 2. a portion of a fruit, with the seed laid bare; 3.…
Cistus
"Cistus Berthelotianus. 1. a vertical section of ovary and calyx; 2. a seed cut through; the pointed…
Cleavers
"Galium Aparine; 1. a flower; 2. a young fruit without the corolla; 3. a perpendicular section of a…
Flower of a Cleome
Flower of a Cleome of the section Gynandropsis, showing broadened receptacles to bear petals, lengthened…
Coca
"Erythroxylon. 1. a flower; 2. one of the petals; 3. the pistil with 3 capitate stigmas; 4. a drupe;…
Coca
The flowering branch of the coca plant (Erythroxylon coca) best known for its use in the drug cocaine.
Coca Leaf
The leaf of the coca plant (Erythroxylon coca) best known for its use in the drug cocaine.
Cockspur Thorn
Spine of Cockspur Thorn developed from an auxiliary bud, as the leaf-scar below witnesses: an accessory…
Codeso del Pico
"Adenocarpus frankenioides. 1. the standard, wings, and keel split open; 2. the stamens; 3. a cross…
Coffee-Tree Fowers
These are the pistillate and staminate flowers of Kentucky coffee-tree, (Keeler, 1915).
Kentucky Coffeetree
The Kentucky Coffeetree (Gymnocladus dioicus) is a tree in the Fabaceae family of legumes. It was also…
European Columbine
Aquilegia vulgaris is a perennial plant also known as the European columbine or Granny's Nightcap.
Comfrey
"Symphytum officinale; 2. a diagram of its flower; 3. its pistil; 4. the calyx opened, with two of the…
Common Bean Seedling
Caulicle well lengthened and root beginning; thick cotyledons partly spreading; plumule (pair of leaves)…
Common Fumitory
Fumitory, or Fumaria, is a genus of herbaceous plants belonging to the order Fumariaceae. The common…
Fir Tree Cones
"Fig. 60. Cones of Abies - From bottom to top, A. grandis (Grand Fir), A. Balsamea (Balsam Fir), A.…
Conferva
The growing end of a branching Conferva (Cladophora glomerata), showing how, by a kind of budding growth,…
Coralberry
The Aechmea fulgens of coralberry is a bromeliad which is often used as a decorative plant.