i.\i)i;x 



Chromosomes, .52, 51, 60. 92. 170, 275. 

 Chytridiales, 63. 



Chy Iridium, <$J. 



Cilia. 445 ; in action, 7V<5. 



Cim bonin, 415- 



('initiate vernation, 159, 163, 176. 



Cilrii add, )i 1 



Citrus, oil receptacle, 340 ■ 



Cladophora, 26, 27 ; walls, 308. 



Cladosiphonic, 159. 



Clavariales, 87. 



Cleistocarpac, 1 jo. 



Cleistothedum, 74, 75. 



( llinostat, 462. 



I lo terium, 37, 38. 



( lull mosses, 122. 



Clustercup, 83, 84. 



Cocain, 415. 



Coccus, 11. 



Codein, 415. 



Codonotheca, 184. 



Coenocytes, 26, 27, 33, 34, 35, 36, 62. 



Cohesion theory, 351. 



Cold, cause of death, 483. 



Coleochaete, 31, 32. 



Coleoptile, and starch grains, 465. 



Colony, blue-green algae, 6 ; green algae, 1 7, 



21. 

 Columella, Anthoceros, 108, 100; black mold, 



67, 68; mosses, 113, 118, 119, 120. 

 Companion cells, 24 3; role, 394. 

 Compass plants, 478. 

 Concentration, 304. 

 Concentric bundles, 125, 161. 

 Conceptade.jo. 



Conducting system, 393 ; origin, 341. 

 Conducting tissue, in style, 260. 

 Confervales, 24 ; conclusions, a- 

 Conidia, 63, 74, 75. 

 Coniferales, 212. 

 Conjugates, 37 ; conclusions, 40. 

 Conjugation, 16, 38, 39, 40. 

 Contact movements, 454. 

 Coprinus, 88, 89. 

 Coral fungi, 87. 

 Corallina, 55. 



Cordaitales, 203, 204, -'"5, 206. 

 Cork, cambium, 240; cells, 240; role, 318. 

 ( lorn, set tion of stem, 245. 

 Cornaceae, 280. 

 Corn smut, 81. 

 Corolla, 252, 253. 

 Correlations, 441. 

 Cortex, angiosperms, 239, 240, 242; gymno- 



sperms. 192, 194, 2x9; kelps, 48; pteri- 



dophytes, 124, X2$, 145, 139, /e><>, iru, 162. 

 Crossing of |H>llen, 268. 

 Crossotheca, 184. 



Cryptogams, 180. 



Cup fungi, 71. 



Cupressineae, 220. 



Cupules, 98, 99. 



Curvatures, growth, 458 ; nastic, 442. 



Cuscuta, haustorium, 382. 



Cutin, 299. 



Cutleriaceae, 49. 



Cyanophyceae, 4. 



Cyatheaceae, 156. 



Cycadales, 190. 



Cycadella, 185. 



Cycadeoidea, habit, 183; strobilus, 186, 187, 



iSS; synangia, 189. 

 Cycadofilicales, 181. 

 Cycadofilices, 181. 

 Cycas, habit, 190; microsporophyll, 105; 



megasporophyll, 197; male gametophyte, 



199; embryo, 202. 

 Cystocarp, 56, 57, 59. 

 Cytase, 400. 

 Cytoplasm, 2, 297. 



Dacromycetales, 86. 



Dacrydium, male gametophyte, 217. 



Daily period, 436. 



Death, 480. 



Decay, 385. 



Deformities, 440. 



Dendroceros, 106. 



Dermatogen, 239, 240, 247, 465. 



Desmidiaceae, 37. 



Desmids, 37. 



Desmodium, leaflets, 453. 



Determinants, 291. 



Development, 417. 



Deztrinase, 400. 



Diageotropism, 467. 



Diaphragm, water ferns, 175. 



Diastase, 399. 



Diatomin, 53. 



Diatoms, 52, 34. 



Dichotomous, branching, 49; venation, 159, 



163, 164. 

 Dicotyledons, 238; classification, 279; 



embryo, 271 ; vascular system, 243. 

 Dictyotales, 55. 



I diffusion, 302, 304, 393 ; rate, 304. 

 Digestion, 307 ; extracellular, 398. 

 Dioedous, 30, 105. 

 I lioedsm, 30. 

 Dionaea, 386, 387. 

 Dioon, embryo sac. roo; habit, 191; ovule, 



198; staminate strobilus, 195. 

 Dioscorea, ocella, 479. 

 Discomycetes, 72. 

 Disease, 482. 

 Disk flowers, 282. 



