570 
112, 113, 114, 114*, 115*; pres- 
sure within, 118; size, 112. 
Cell: activity, processes involved in, 
116. 
Cell division, described, 124, 125, 
413, 125*. 
Cell membrane, 114, 115*; character 
after death, 119. 
Cell multiplication, 123. 
Cell sap, 114. 
Cell wall, 114; described, 115. 
Cellular anatomy, of root tip, 148. 
Cellular structure, of leaves, 246. 
Cellulose, 115, 275, 276. 
Century Plant, 498, 498* 
Chaparral, 509. 
Charales, 332, 333* 
Chara fragilis, 333*. 
Chemotropism, 152. 
Chenopodiaceae, 480. 
Cherry Birch, flowers, 475*. 
Chestnut, sprouts, 208*; disease, 271, 
272*; nuts, 476. 
Chimera, 230. 
Chlamydomonas, 303, 304, 303*. 
Chlamydospore, 394, 394*. 
Chlorenchyma, 194, 249, 250, 193%, 
251*; palisade tissue, 249, 250*; 
spongy tissue, 249, 250*, 251*. 
Chlorophyceae, 301. 
Chlorophyll, 115, 294, 115*. 
Chloroplast, 115, 247, 249, 251, 247*. 
Chondrus crispus, 325*. 
Chondriosomes, 115. 
Chromatin, 114, 114*. 
Chromosome, 124, 125*. 
Chrysanthemums, 10. 
Cicuta maculata, 283, 488. 
Cion, 227, 231, 232*. 
Circinate vernation, 429. 
Citric acid, 285. 
Gitrus fruits, 27, 501. 
Cladophora, 312. 
Cladophyll, 169, 170*. 
Classes, 291. 
Classification, of plants, 291. 
Clavaria, 387*. 
Claviceps purpurea, 370, 371*. 
INDEX 
Cleft grafting, 232. 
Cleistothecia, 373, 374*, 375. 
Clematis viticella, 186°. 
Climbing stems, 175. 
Closed bundles, 191, 191*. 
Closed Fungi (Pyrenomycetales), 364; 
described, 369, 370*, 371*. 
Close-pollination, 48. 
Clover Dodder, seeds, 75*. 
Club Mosses, 438. 
Club Root of Cabbage, 339; de- 
scribed, 340, 340*. 
Coconut oil, 279. 
Coenocyte, 316, 316*. 
Coffee tree, 492, 493*; flowers and 
berry, 492, 493*. 
Coleochaete, 313, 313*. 
Coleochaete scutata, 313*. 
Coleoptile, 63, 102, 63*, 102*. 
Coleorhiza, 63, 63*. 
Collenchyma, 128*; described, 129, 
193*. 
Color, of flowers, 10; inheritance in 
endosperm of corn, 549*. 
Columella, 416. 
Column, 26. 
Comfrey, fruit, 86*. 
Common Barberry, 396. 
Common Bean, seedling, 107, 106* 
Common Cabbage, flowers, 28%; 
plants, 172*, 528*. 
Companion cells, 131, 190*, 193%, 
195*. 
Complete flowers, 13. 
Composite family (Compositae), 492, 
494*. 
Composite flower, 24. 
Compound leaf, 237, 237*, 238*. 
Compound pistil, 15. 
Conceptacle, 323, 322*, 407*, 411*. 
Conditions affecting transpiration, 
263. 
Conductive tissues, 130; of leaves, 
244. 
Confervoid Algae (Confervales), 302; 
described, 310. 
Conidia, 356, 394, 357*, 360*, 373*, 
375*. 
