[NDEX 



Fructose, 3Sg. 

 Fruits, loss of, 355- 

 I males, 4Q. 



Fucus, fertilization and embryo, 32; habit, 



to; sex organs, 50, 51. 

 Fuligo, aethalium, 3 ; Plasmodium, -'. 

 I 1111. linn, 2D7 ; unit of, 2g8. 

 Fungi, 01 ; chemotropism of, 473. 



Calls, ]Q4, .(40. 



Gametangium, 43, 46. 



Gamete, t6, 17, \6, 40- 



Gametophyte, 32; thallophytes, 52, 60. 85; 

 liverworts, 92, pj, 07, 101, 103, 10O ; 

 mosses, in, 115; pteridophytes, 127, 128, 

 m, 147, 148, tS3, i').S, 166, 167; female, 

 136, 140, 174, 175, 17S, T7Q, [96, /pp, 205, 



210, 211, 214, 2/(5, 223, 232, 234, 264, 26s, 



266; male, 133, /^o, 174, 175, 178, iqq, 



205, aotf, 210, 215, 217, 223, 224, 235, 267. 

 Gases, diffusion, 302 ; entry and exit, 322 ; 



exclusion, 318 ; from shoot, 352. 

 « iasteromycetes, 89. 

 ( ieaster, go. 

 Gemmae, gS, 104, 117. 

 Generative cell, iqq, 224, 267. 

 < ientianales, 282. 

 Geotaxy, 450. 



Geotropism, 4sg ; lateral, 467. 

 Geranium, section of cortex, 240. 

 ( lerminal selection, 2gi. 

 Gill, of mushrooms, 88, Sq. 

 Gill fungi, 88. 

 Ginkgo, leaf, 207; female gametophyte, 



211; ovule, 210; procmbryo, 212; stro- 



bili, 208, 

 Ginkgoales, 207. 

 Girdles, leaf trace, 193, 10 /. 

 Girdling, 347. 

 ( Hands, geranium, 337; form, 338; Syringa, 



as,- nectar, yo; resin, ,•/<>. 

 ( ileba, ( iasteromyi otes, 00. 

 Gleichenia, sori, 136; stele, i$q. 

 Gleicheniaceae, 155. 

 Glochidia, 174, '75- 

 < lloeoi apsa, 5. 

 ( lloeothece, .=;. 

 Glucose, 350, .575- 

 Glucoside enzymes, 400. 

 Glumales, 276. 

 Glumes, 277. 

 Gnetales, 228. 

 Gnetum, embryo, 236; female gametophyte, 



234; ovule, 234; strobili, 231, 232. 

 Gonidia, ig. 

 Gradient, 304. 

 (".rand period, 421, 422. 

 ( irape mildew, 00. 



Gravity, movements, 45s; nastic curvatures, 



1 1 |. 

 Green algae, is- 



Growing point, angiosperms, 239, 240, 247. 

 ( Irowing regions, 422. 

 Growth, 417; curvatures, 458; and food, 



363; and light, 435; movements, i s 7 : 



rapidity, 424; and transpiration 



and turgor, 510. 

 Guard (ells, 251, 320. 

 Gulfweed, 52, 53. 

 ( iums, 1 1 ,- 

 Guttation, 332; artificial, 353; in fungi, 



333 ; nightly, , 

 Gymnosperms, 180, 181. 



llaustorium, fungi, 61, 381, 3g8 ; pollen 



tube, 201. 

 Heat, cause of death, 483 ; from respiration, 



407. 

 Ilelminthostachys, i4g; habit, 151. 

 Helobiales, 276. 



llelolism, 382. 



Helvellales, 71. 



Hemerocallis, nectar gland, 33Q. 



Hemitelia, si>orangium, 57. 



Hepaticae, g3. 



Herbarium mold, 74. 



Heredity, 2g3. 



Heterangium, 182. 



Heterocysts, 7, 8, q. 



Heterogamy, 17. 



Heterospory, 132, 133, 134. 



Heterotrophic plants, 362, 380. 



Hippuris, stem ti|>, 240, 41S. 



Homospory, 134. 



Hormogonia, S. 



Horsetails, 143. 



Host, "i, 381. 



Humidity, and transpiration, 329. 



Hybrids, 268, 2g3. 



eae, 88. 

 Hydnum, 88. 



Hydrodictyon, 21, 22, 23, (45. 

 Hydropteridineae, 170; conclusions, i7g. 

 Hydrotropism, 475. 

 1 [ymenium, 71. 

 I [ymenogastrales, w. 

 1 1> menomj 1 etes, 86. 

 ll> menophj llaceae, 1 55. 

 1 1\ menophyllum, sorus, 136. 

 Hyphae, 61. 

 Hypogyny, 255. 

 Hyponasty, 1 1.-. 

 Hypophysis, 271, 273. 



Imbibition, 300. 



[mpatiens, geotropic curvature, 461, 



