INDEX 



531 



Cotyledons, 7-18, 23. 



Cranberries, 446. 



Crataegus, 319. 



Crepidotus, 134. 



Cross fertilization, 376, 418. 



Cross pollination, 143, 184, 185, 187. 



Crossing, purpose in, 505. 



Crown stem, 49. 



Crown tuber, 49. 



Crustaceous lichens, 301, 302. 



Cucumis melo, 449. 



Cucumis pepo, 449. 



Cucurnis sativus, 449. 



Cucurbitaceae, 448, 449. 



Cudbear, 303. 



Cup fungi, 292. 



Cuscuta, 135. 



Cushion type of plants, 480. 



Cuticle, 19, 69, 90, 457, 478. 



Cutin, 69. 



Cyanin, 253. 



Cyanophyceae, 227, 228, 253, 271. 



Cycadales, 396. 



Cycads, 387, 396. 



Cycas, 387, 396-398. 



Cycas, fruit of, 214, 399. 



Cycas revoluta, 396-398, 431. 



Cyclic, 407. 



Cyclosis, 4, 249. 



Cyme, 151, 153. 



Cymose, 151, 153. 



Cynara scolymus, 95, 450. 



Cypripedium, 194. 



Cystocarp, 261, 262, 264, 332. 



Cystoperis bulbifera, 217, 358. 



Cystopus candidus, 283, 284, 285,286. 



Cytase, 133, 139. 



Cytisus, 193, 198. 



Cytoplasm, 4, 234, 251, 331, 396. 



Dahlia, fascicled roots of, 32, 35. 



Dandelion, 449. 



Dandelion seeds, 218. 



Darwin, work of in evolution, 488. 



Date palm, 429, 430. 



Decay, 140, 141. 



Deciduous, 69, 82. 



Dehiscent, 206, 208, 209. 



Deliquescent type of stem, 45. 



Denitrification, 127. 



Desert societies, 477-479. 



Desert vegetation, 51, 52, 456, 457. 



Desmids, 239. 



Determinate, 55, 148. 



Diadelphous, 147, 165. 

 Diagram, No. I, Spirogyra, 238. 

 Diagram, No. II, CEdogonium, 244. 

 Diagram, No. Ill, Rusts, 320. 

 Diagram, No. IV, Mosses, 355. 

 Diagram, No. V, Ferns. 

 Diagram, No. VI, Gymnos perms, 



404. 

 Diagram, No. VII, Different groups 



of green plants, 421. 

 Diastase, 22, 115, 133. 

 Diatomeae, 228, 256. 

 Diatoms, 256, 257. 

 Dichogamous, 190. 

 Dichogamy, 407, 419. 

 Diclinous flowers, 145. 

 Dicotyledons, 62-67, 154-171, 225, 



230, 433-450- ,. 

 Dictyophora duplicata, 330. 

 Digestion, 97, 114. 

 Dihybrids, 507. 



Dimorphic, 163, 172, 368, 376. 

 Dimorphism, 382, 406, 419. 

 Dioecious, 146, 178, 189, 198, 259, 



279, 337, 347, 379- 

 Dionaea muscipula, 95. 

 Diphtheria, 268, 269. 

 Dipsacaceae, 448. 

 Dipsacus, 448. 

 Disk flowers, 167, 169. 

 Dissepiments, 145. 

 Distribution of plants, 461-468. 

 Dodder, nutrition of, 135. 

 Dorsiventral, 348. 

 Downy mildews, 282. 

 Drapernaudia, 243. 

 Drosera rotundifolia, 95. 

 Drupaceae, 437. 

 Drupej 205, 208-212. 

 Drupelet, 211, 212. 

 Desmodium, fruit of, 221, 222. 

 Dwarf male, 243, 244. 



Earth stars, 329. 

 Easter lily, 50, 181, 413, 431. 

 Ecological factors, 437-455. 

 Ecology, 451. 

 Ectocarpus, 258. 

 Ectoplasm, 233, 234. 

 Edaphic plant societies, 481-484. 

 Egg, 242-248, 251, 252, 250-262, 

 264, 281, 284-286, 291, 347, 351, 



355~3 66 > 372, 3 8 2, 39 2 > 393. 4OQ, 

 404, 410, 413, 414, 419. 



