5co 



IN DE X. 



Fossombronia, antheridium, 



144 ; thallus, 145. 

 Fourcroya, pollen, 369 ; 



style, 379. 



Fovea (Isoetes), 289. 

 Foveola (Isoetes), 289. 

 Fovilla, 368. 

 Fragaria, runners, 451 ; style, 



379- 



Francoeae, 470. 



Frangulineae, 470. 



Frankeniaceae, 469. 



Fraxinus excelsior, poly- 

 gamy, 347. 



Frenela, 339; fruit, 329; 

 phyllotaxis, 322; seed, 331. 



Frenela verrucosa, 330. 



Freshwater Bangiaceae, 77 

 note. 



Freshwater Diatoms, 17 note. 



Fritillaria, nectary, 307. 



Fritillaria imperialis, lateral 

 shoots, 433 ; nectaries, 

 381. (Fig. 358.) 



Frondose Hepaticae, 145. 



Frullania, branching, 156 ; 

 capsule, 152 ; germination, 

 146, 164 ; vegetative body, 



145- 



Frustulia saxonica, auxo- 

 spores, 19. 



Fruticose Lichens, 115. 



Fucaceae, 69, 70 ; fertilisa- 

 tion, 70 ; propagation, 71 ; 

 thallus, 70. 



Fucodium, 70, 72. 



Fucus, 65, 70 ; fertilisation, 

 6 ; propagation, 71 ; thal- 

 lus, 70. 



Fucus nodosus, 72. 



Fucus platycarpus, 72. (Fig. 



44-) 



Fucus serratus, 72. 

 Fucus vesciculosus, 72. (Fig. 



45.) 



Fumago, 109. 



Fumaria, flower, symmetry, 

 425. 



Fumariaceae, 469 ; floral for- 

 mula, 459 ; nectary, 307. 

 (Fig. 345.) 



Funaria, rhizoids, 171 ; spo- 

 rogonium, 180; stem, 

 167. 



Funaria hygrometrica, cap- 

 sule, 1 88; embryo, 178; 

 male organs, 174 ; peri- 

 stome, 1 88; protonema, 

 171, 173; underground 

 buds, 172 ; vegetative pro- 

 pagation, 171. (Figs. 1 1 6, 

 127, 128, 130, 131, 132, 

 142, 144, 145, 146.) 



Fundamental tissue, 3 note. 



Fungi, 80 ; arrangement, 83; 

 hyphae, 82 ; mycelium, 

 82 ; physiology, 80 ; pro- 

 pagation, 82 ; rhizoids, 82 ; 

 saprophytes and parasites, 

 8 1 ; sclerotia, 82 ; thallus, 

 81. 



Funicle, 381, 420. 



Funiculus, 304. 



Funkia cordata, Figs. 288, 

 318, 322. 



Funkia ovata, adventitious 

 embryos, 401. (Figs. 289, 

 290, 334.) 



Gagea, endosperm, 441 ; in- 

 florescence, 409 ; pollina- 

 tion, 307. 



Gametes, 5,27, 31,40, 42; mo- 

 tile gametes distinguished 

 from zoogonidia, n. 



Gamopetalae, 471. 



Gamopetalous, 351. 



Gamophyllous, 352. 



Gamosepalous, 351. 



Gardeniaceae, 472. 



Garidella, flower, 421. 



Gasteromycetes, 137. 



Gelatinous Lichens, 116. 



Gelidiutn, 75. 



Gemmae, 174. 



Gentiana, fruit, 428. 



Gentianeae, 471. 



Geoglossum, 112. 



Geraniaceae, floral diagram, 

 419; flower, 423; pollen- 

 tube, 367. 



Geranieae, 469. 



Geranium, fruit, 427 ; root, 

 401 ; stamens, 359. 



Germinal vesicle, 389, note 4. 



Gesneraceae, 471 ; nectary, 

 381; staminal whorl, 360 ; 

 symmetry of flower, 424. 



Gingko, 339 ; branching, 

 320 ; classification, 339 ; 

 drupe, 338; embryo, 311, 

 338 ; fertilisation, 385 ; 

 female flowers, 326, 331 ; 

 floral axis, 323 ; flowers, 

 323; fruit, 311, 339; ger- 

 mination, 319 ; leaves, 322; 

 male flowers, 324; ovules, 

 385 ; pollen-sacs, 325 ; sto- 

 mata, 345; vascular bun- 

 dles, 342. (Fig. 251.) 



Gingko biloba, Fig. 251. 



Giraudia sphacelarioides, 66 ; 

 conjugation of gametes,67. 



Girdles (Diatomaceae), 17. 



Gladiolus, embryo-sac, 441 ; 

 exine, 367; synergidae, 389. 



Glans, 428. 



Gleba, 138, 1 39. 



Gleditschia, literal shoots, 

 451. 



Gleichenia, fundamental tis- 

 sue, 220. 



Gleicheniaceae, 194, 228 ; 

 prothallium, 200 ; spores, 

 198. 



Globularia, endosperm, 461. 



Globularieae, 471. 



Globules (Characeae), 52. 



Glochidia, 239. 



Gloeocapsa, 22. (Figs. 1 1, 84.) 



Gloeotheca, 22. 



Glumaceous (perianth), 440. 



Glumiflorae, 444. 



Glyptostrobus, 339. 



Gnetaceae, 309,340; embryo, 

 341; flowers, 340; fruit, 

 341; habit, 340; inflor- 

 escence, 340 ; seed, 341. 



Gnetum, 340; growth in 

 thickness, 344 ; vascular 

 bundles, 342. 



Gnetum scandens, 344. 



Gnetum Thoa, 342. 



Gomphonema constrictum, 

 18. (Fig. 10.) 



Gongrosira, 34. 



Gonidangium, 91. 



Gonidia, 10, 82, 83, 114. 



Gonidial layer (Lichens), 115. 



Gonidiophores, 103, 131. 



Gonium, 38. 



Gonophore, 358. 



Gonoplasm (Peronosporeae), 

 95 and note 2. 



Gossypium, seeds with hairs, 

 430. 



Gramineae, 444 ; branching, 

 411,433; vascular bundles, 

 308 ; embryo, 431 ; endo- 

 sperm, 441 ; flower, 439 ; 

 fruit, 426, 428 ; funicle, 

 381 ; germination, 431 ; 

 inflorescence, 407 ; lateral 

 roots from embryo, 401 ; 

 ligula, 436 ; ovules, 382, 

 441; perianth, 351 ; phyl- 

 lotaxis, 435, 436; plumule, 

 431 ; pollen, 368 ; roots, 

 400 ; stem, 442, 444 ; 

 stigma, 380. 



Grape-vine, inflorescence, 

 407. 



Graphideae, 119, 124. 



Graphis, 119. 



Graphis elegans, Fig. 72. 



Graphis scripta, 119. 



Gratiola, floral diagram, 414. 



Gratiola officinalis, Fig. 343. 



Green Algae. See Chloro- 

 phyceae. 



Grimmia, stem, 167. 



