INDEX. 
936 (Figs, 43, 82,247, 253, 
254, 256, 257, 266, 268- 
2721. 
Fundamental tissue, 79, 120. 
Fungi, 227, 241, 697, 956. 
Funiculus, 492, 570. 
Funkia, 15,23,551, 572,581, 
593 (Figs- 12, 19, 375, 376, 
398, 399)- 
Gagea, 495, 598. 
Gamopetalae, 655, 658. 
Gamopetalous, 221, 539. 
Gamophyllous, 539. 
Ganiosepalous, 221, 539. 
Garidella, 608. 
Gases, movements of, 691. 
Gasteromycetes,7i, 307, 338. 
Gelatinous lichens, 320. 
Gelidium, 289. 
Gemmae, 172, 223, 342, 348, 
369, 423 (Figs. 234, 251). 
General conditions of Plant 
Life, 725. 
Generating tissue, 82. 
Generations, Alternation of, 
222, 233, 342, 385, 486, 
488, 899. 
Genetic spiral, 190. 
Gentianaceae, 658. 
Genus, 927. 
Genus-iiybrid, 915. 
Geoglossum, 311, 
Geographical distribution of 
[)]ants, 943. 
Geotropism, negative, 839. 
positive, 839 (Figs. 482, 
484). 
transverse, 854. 
Geraniaceae, 660. 
Germination, 715, 738, 731. 
Germination of seeds, 501, 
507, 619, 635 (Figs. 346, 
419, 435, 436). 
Germination of spore?, 258, 
259, 262, 268, 293, 333, 
346, 361, 393, 416, 421, 
442, 461, 469, 515, 521, 
580, 582. 
Gesneraceae, 658. 
Geum, 221, 579 (Fig. 161). 
Ginkgo, 520, 578, 
Glabrous, 99. 
Gladiolus, 555. 
Glands, compound, 91 (Fig. 
76). 
simple, 84. 
Glandular hairs, 10 1, 161 
(I^^igs. 77, 359)- 
Glans, 615. 
Glaucium, 588. 
Gieba, 307, 341 (Fig. 231). 
Gleditschia, 218, 639, 652, 
935. 
Gleichenia, 431. 
Gieicheniaceae, 391,441. 
Globoids, 52 (Fig. 48). 
Globularia, 648. 
Globulariaceae, 658. 
Globule, 298 (Figs. 197, 198, 
200, 201). 
Gloeocapsa, 246 (Fig. 165). 
Gloeocystis, 248. - 
Gloeothece, 247. 
Gloxinia, 584. 
Glucose, 712. 
Glume, 631. 
Glumiflorae, 631. 
Glyptostrobus, 527. 
Gnetaceae, 497, 498, 500, 527, 
958. 
Gnetum, 527, 578, 959. 
Gomphrena, 580. 
Gonidiuni, 223, 239, 318. 
Gonium, 253. 
Goodeniaceae, 659. 
Gramineae, 631 (Fig. 409). 
Grand period of growth, 
817. 
Granulöse, 56, 60. 
Graphideae, 329. 
Graphis, 319. 
Grass, flower of, 603. 
Grasses, embryo of, 618. 
Grateloupia, 292. 
Gravitation, action of, 770, 
839 (Fig. 482). 
Grossulariaceae, 661. 
Growing point, 138 (Figs. 
io8-r 14). 
Growth — 
action of electricity on, 
962. 
action of gravitation on, 
770, 839 (Figs. 477, 
482). 
action of light on, 752, 
832, 962. 
action of temperature 
on, 730, 828. 
causes of, 775. 
directions of, 202. 
in length, 815. 
in length of the root and 
stem, 137. 
in thickness of the cell- 
wall, 19, 32. 
in thickness of the root, 
127,133- 
in thickness of the stem 
and root, 125. 
in thickness of the stem 
of monocotyledons, 
127. 
mechanics of, 773. 
of starch-grains, 57. 
periodicity of, 823. 
Gruinales, 660. 
Guard-cells of stomata, 98, 
103 (Figs. 61-65, 84-89). 
Gum, 36, 93, 705. 
Gum-passages, 93 (Fig. 66). 
Guttiferae, 660. 
Gymnadenia, 578. 
Gymnoascus, 307, 308, 
Gymnocarpous, 306. 
Gymnocarpous Hchens, 323. 
Gymnogramme, 421. 
Gymnosperms,497, 498, 534, 
897. 
Gymnosporangia, 331, 335. 
Gymnostachys, 626 (Fig. 
433). 
Gymnostomous, 381. 
Gymnostomum, 383. 
Gynaeceum, 490, 557, 627, 
641 (Figs. 386, 387). 
Gynandrae, 633. 
Gynobasic style, 563, 568 
(Figs. 389, 390). 
Gynophore, 547, 563 (Figs. 
371, 388). 
Gynostemium, 547, 627, 633 
(Figs. 372, 492). 
Haematococcus, 954. 
Hsemodoraceae, 632. 
Hairs, 99, 150, 160 (Figs. 
42, 83). 
Hakea, 124, 652. 
Halidrys, 282. 
Haloragidese, 662. 
Halymenia, 292. 
Haustoria, 275, 812 (Figs. 
175, 276). 
Heat- 
action of, 731, 884. 
conduction of, 725. 
production of, 723. 
radiation of, 725. 
Heat-expansion, Coefficients 
of, 727. 
Heating apparatus for the 
microscope, 736 (Fig. 474). 
Hebenstreitia, 648. 
Hedera, 651. 
Hedychium, 625 (Fig. 429). 
Helianthemum, 577, 597. 
Helianthus, 567 (Fig. 393). 
Helicoid cyme, 1 80, 597 (Fig. 
136). 
Helicoid dichotomy, 178 
(Fig. 134). 
Heliotropism, 832. 
negative, 756, 833. 
positive, 756, 833. 
transverse, 854. 
Heliotropium, 598. 
Helleborus, 495. 
Helobiae, 630. 
Helvella, 311. 
