488 



GLOSSARIAL INDEX. 



from stomnta, 302: passage of, through 

 stomata, 303; proportions of various, 

 in the air, 303; relations of protoplasm 

 to various, 210. 



Gelatin, of plants, 364; tannate of, 226. 

 Gelatination, 34. 

 Genera, 447. 



Genlisea, 346. 



Gentian-violet, 380. 



Geotropic organs (v^, the earth; TPOTTOS, 

 a turn), 392. 



Geotropism, 392. 



Gerlach's ammonia-carmin, 16. 



Germination, changes during, 468; con- 

 ditions of, 462; not hastened by chem- 

 ical means, 468; of oily seeds, 368, 

 468; phenomena of, 466; relations of, 

 to light, 466; relations of, to tempera- 

 ture, 464; stages in, 462, n. ; time re- 

 quired for, at various temperatures, 

 466; when complete, 462. 



Girdling of stems, 258. 



Glaciers, aid of, in the formation and 

 distribution of soils, 238. 



Glands, nectar, 451 ; of the Drosera leaf, 

 339; of leaves, 161. 



Glandular hairs, 68. 



Gliadin, 364. 



Globoids (globus, a round body) 47 



Glucose (C 6 H 12 O 6 ), 52, 359; held to be 

 the first product of assimilation, 322. 



Glticoside, 292, n., 362. 



Gluten-casein, 363. 



Gluten-fibrin, 364. 



Glycerides. See Fats. 



Glycerin, effect of, upon protoplasm in 

 cells, 199; use of. as a medium in mi- 

 croscope work, 5; use of, as a pre- 

 servative medium, 21; use of, as a re- 

 agent, 12. 



Glycerin ethers, 360. 



Glycerin-jelly, 22. 



Gold orange, 19. 



Gold-size, 24. 



Graft-hybrids, 445. 



Grafting, 152, 444. 



Grains of the cereals, 181. 



Granulose (grnnulum, a small grain), 

 50. 



Grape-sugar, 359. See also Glucose. 



Gravelly soil, 238. 



Great curve of growth, 389. 



Green, brilliant, 19 ; emerald, 19 ; methyl, 

 19. 



Green chlorophyll, 322. 



Grenadier's alum-carmin, 17. 



Growing-point, 106. 



Growth, 355,373; assumption of definite 

 form during, 394; basifugal, 156; 

 basipetal, 156; changes which accom- 

 pany, 373; conditions of, 384; direc- 

 tion of, 392; effects of atmospheric 

 pressure upon, 389; effects of gases 

 upon, 384; effects of light upon, 387, 

 392 ; effects of temperature upon, 385 ; 

 external pressure retards, 395; force 

 exerted during, 395; great curve of, 

 389; instances of rapid, 384; in Avhat 

 it consists, 373 ; measurement of, 383 ; 

 not always associated with increase of 

 weight, 373; observation of, 374; of 

 the cell-wall, 218, 382; of the leaf, 

 155; periodical changes in rate of, 

 389; planes of walls at point of, 381; 

 relations of oxygen to, 388. 



Guardian cells, 70; development of, 376; 

 mechanism of, 269. 



Gum-resins, 98. 



Gums, 51, 358; diffusion of, 222, n. 



Gymnosperms (yv/xi/ds, naked; o-77-ep/ua, 

 seed), 426, 437. 



Gynoecium (ywrj, a woman; ol/co?, a 

 house), 426. 



H.EMATOXYLIN (C 16 H 14 6 + 3H,0), 18, 

 46, 211, 380. 



Hairs, 68; cell-division in, 380; com- 

 pound, 68; occurrence of, in air-pas- 

 sages, 100; of seed-coat. 179; simple, 

 68; used in study of protoplasm, 198. 



Hales, device of, for noting the growth of 

 a leaf, 156 ; experiments of, upon trans- 

 piration, 271; observations of, upon 

 the transfer of water through the 

 stem, 258. 



Hartig'scarmin, 16. 



Healing of plant-wounds, 150. 



Heart-wood (Duramen), 141. 



Heat, absorption of, by soils, 245; effect 

 of, upon the direction of growth, 394; 

 effect of, upon opening and closing of 

 stomata, 270; effect of, upon transpi- 

 ration, 277; effect of, upon vitality of 

 seeds, 205; evolution of, during res- 

 piration, 370; relations of, to germina- 

 tion, 464; relations of, to protoplasm, 

 201. See also Temperature. 



Heat-rays of the spectrum, 308. 



Heliotropic curvatures (>jA.tos, the sun ; 

 TpdTros, a turn), 393. 



Heliotropism, 392. 



Hepatics, absorbing organs in, 117. 



Heterogeneous pith, 124. 



