484 



GLOSSARIAL INDEX. 



of Piuus, 377 ; in the development of 

 pollen-grains, 379 ; in the formation 

 of stomata, 370 ; method of demonstra- 

 tion of, 380. 



Cell-plate, 376. 



Cell-sap, carbohydrates in the, 51 ; color 

 of the, in flowers, 170; color of the, 

 masks that of chlorophyll, 294. 



Cells, animal, analogous to vegetable, 

 220 ; classification of, 56, 59 ; develop- 

 ment of, 58; method of determining 

 the density of the contents of, 390; 

 morphological changes in, during 

 growth, 373; turgidity of newly 

 formed, 389. 



Cellular system, 57, 60, 102. 



Cellulose (CcHtoOs), composition of, 31; 

 formation of, in cell-division, 376; oc- 

 currence of, with crystals, 54; rela- 

 tions of, to moisture, 219; solubility of 

 the modifications of, 33, TO., 35, n. ; spe- 

 cific gravity of, 145 ; stability of. 354, 

 357; tests for, 8, 11, 15, 31. See also 

 Cell-wall. 



Cell-wall, capacity of the, for transfer 

 of water, 258 ; direction in which the, 

 is laid down, 380; formation of, 29, 

 218; growth of, 218, 355; markings 

 of the, 29; modifications of the, 34; 

 plates of the, in cork-cells, 38; rela- 

 tions of the, to protoplasm, 218; rela- 

 tive amount of space occupied by the, 

 in fresh wood, 261; structure of, 29, 

 257; tensions in the, 390. 



Central cylinder, changes in the, 113; 

 structure of the, 110. 



Centric arrangement of leaf-parenchyma, 

 158. 



Cerasin, 358. 



Chemical absorption by soils, 243. 



Chemical rays of the spectrum, 308; least 

 efficient in assimilation, 310, 311, 313. 



Cherry-wood, use of, in testing for lig- 

 nin, 14. 



Chloral hydrate (CC1 3 CH[OH] 2 ), 11, 42. 



Chlorine, occurrence of, in plants, 247; 

 office of, in the plant, 254. 



Chloroform (CHC1 3 ), effect of, upon 

 protoplasmic movements, 211; effect 

 of, upon the Sensitive plant, 424; use 

 of, in preparation of specimens for 

 mounting, 23. 



Chloroform-balsam, 23. 



Chloroiodide of zinc, 8, 33. 



Chloroleucites. See Chloroplastids. 



Chlorophyll body (\\tap6s, green; $u'AAov, 

 leaf), 41. 



Chlorophyll granules, 20, 41, 286; action 

 of alcohol upon, 41; action of darkness 

 upon, 42; action of hydrochloric 

 acid upon, 290, 475, n. ; action of 

 steam upon, 290, 475, n. ; action of 

 various agents upon, 474, TO. ; break- 

 ing up of, at autumn, 298; formation 

 of, 287 ; in epidermal cells, 67 ; in 

 evergreen leaves, 298 ; occurrence of, 

 288; position of the, during the day 

 and at night, 398 ; Pringsheim's study 

 of, 13, 289; stroma of, 290; structure 

 of, 289. 



Chlorophyll pigment, 41, 286; absence 

 of, in certain plants, 294; changes in 

 the, at autumn, 297; color of a solu- 

 tion of the, not permanent, 296; ex- 

 traction of the, 290; fluorescence of 

 the, 294; in Florideae, 295; spectrum 

 of the, 292, 313. 



Chlorophyllan, 291. TO., 292, TO. 



Chloroplastids (xA.a>p6s, green; TrAdo-o-w, 

 I form), 41. See also Chlorophyll 

 Granules. 



Chlorosis, 297. 



Chromatin (xp^^a, color), 375, 378. 



Chromatophores (xpuv-a. [gen. ^pco^a-ros], 

 color; <opeu), I bear), 41. ., 287, TO. 



Chromic acid (Cr0 3 ), action of, upon 

 the cell-wall, 11, 39. 



Chromoleucites. See Chromoplastids. 



Chromoplastids (xP^M a , color; TrAdo-cno, 

 I form), 41, 287. 



Cilia (cilium, an eyelash), movements 

 by means of, 398. 



Cinchona, bast-fibres of, 148, TO. 



Circumnutation (circum, around; nuta- 

 tio, a nodding), 400 ; in seedlings. 403; 

 methods of observation of, 401 ; modi- 

 fied, 401, 407; of the radicle, 403, 415; 

 of tendrils, 417; of the young parts of 

 mature plants, 405. 



Citric acid (C 6 H 8 7 ), 360. 



Clathrate cells (clathri, a lattice), the 

 name given by Mohl to cribriform 

 cells. 



Clayey soil, 238. 



Clearing agents, 7, 10, 11. 



Cleft of a stoma, 269. 



Climate, adaptations of plants to a dry, 

 280. 



Climbing plants, 405. 



Clinostat (<cAiW, I incline; orai-d?, 

 placed), 408. 



Close-fertilization, 447; results of, con- 

 trasted with those of cross-fertilization, 

 448. 



