400 
Colocasia, *77. 
Coloration of autumn leaves, 176. 
Colors of flowers, 357, 358. 
Common receptacle, *189. 
Compass-plant, nearly 
leaves of, *147. 
Composite head, 188, *189, 190. 
Compound cyme, *191. 
Compound leaves, *137, *158, 139. 
Compound pistil, 202. 
Compound umbel, *189. 
Conceptacles, 250, *252. 
Condensed stems, 78. 
Conifers, wood of, *93, *94. 
Coniferous wood, structure of, 92, 
*93, *94. 
Conjugate, 232. 
Conjugating cell, *243, *259. 
Conjugation, *245. 
Consolidated, 204. 
Continuity of protoplasm, 146. 
Contractile vacuole, 180. 
Contractility, 182. 
Cork, 90, *100, 104, 115. 
Corm, a bulb-like, fleshy stem, or 
base of stem, ‘‘a solid bulb.”’ 
Corn, aerial roots of, *388. 
Corn, cross-section of stem of, *83. 
Corn, germination of, 8. 
Corn, grain of, *16. 
Corn, root-tip, section, *42. 
Corn-stem, structure of, *83, 84. 
Corolla, *197. 
Corymb, *186, 187. 
Cotyledon, 7. . 
Cotyledon, disposition made of, 28, 
29. 
Cotyledons, thickened, use of, 29. 
Crenate, 132. 
Cross-pollination, 353. 
Crow-berry, rolled-up leaf of, *317. 
vertical 
FOUNDATIONS OF BOTANY 
Cryptogams, 231. 
Cryptogams, classes of, 232, 233. 
Cuspidate, *131. 
Cuticle, unequal development of, by 
epidermis-cells, 156, *157. 
Cutin, 156. 
Cutting leaves, *351. 
Cyme, *191. 
Cypress, 71. 
Dahlia, thickened roots of, *41. 
Daily movements of leaves, *144, 
*145, *146. 
Dandelion, *72. 
Darwin, Charles, 353. 
Date-palms, *85. 
Datura, stigma of, *213. 
Deciduous, 175. 
Defenses against animals, 345-352.* 
Definite annual growth, 69. 
Dehiscent fruits, 222, *223. 
Deliquescent trunk, 66, *67. 
Dentate, 132. 
Descent of water, 109, *110. 
Desert, Sahara, *325. 
Desmids, *243. 
Destruction of plants, 391, 392. 
Determinate inflorescence, 191. 
Deutzia leaves, *142, *143. 
Diadelphous, 202. 
Diagrams, floral, 204, *205, #296. 
Diatoms, study of, *240, 241. 
Dichogamy, *363, *364. 
Dicotyledonous plants, 34, 233. 
Dicotyledonous stem, annual, gross 
structure of, 86, *87. 
Dicotyledonous stem, cross-section 
of, *87, *89, *91, *96, *100. 
Dicotyledonous stem, mechanical 
importance of distribution of 
material in, 89, 90. 
