502 



INDEX. 



275, 276 ; asexual genera- 

 tion, 276 ; branching, 277 ; 

 divisions, 196 ; gemmae, 

 278 ; germination, 275 ; 

 histology, 2 So ; leaves, 

 278 ; phyllotaxis, 278 ; 

 prothallium, 275 ; roots, 

 278 ; sexual generation, 

 274 ; sporangia, 279 ; vege- 

 tative organs, 277. 



HomosporousLycopodineae, 

 196. 



Hormogonia (Nostocaceae), 

 22. 



Hyacinthus, perianth-leaves, 

 440. 



Hyacinthus Pouzolsii, 434. 



Hydnum, hymenium, 132. 



Hydrangeae, 470. 



Hydrocharideae, embryo- 

 sac, 441 ; floral formula, 

 438, 445. 



Hydrocharis, flower, 439 ; 

 gynaeceum, 440 ; inflores- 

 cence, 411 ; leaf, 436. 



Hydrodictyeae, 39, 40. 



Hydrodictyon, 15, 28, 39, 42, 



Hydrodictyon utriculatum, 

 coenobiuni,4o ; reproduc- 

 tion, 40. 



Hydropeltidineae, 468. 



Hydrophyilaceae, 471 ; in- 

 florescence, 411. 



Hydrophylleae, corona, 352. 



H>dropterideae. See He- 

 terosporous Filicineae, 



Hydrurus, 41. 



Hylocomium, branching, 1 69. 



Hylocomium splendens, 

 stem, 167. 



Hymenial gonidia (Lichens), 

 120. 



Hymenium, 83, 103. 



Hymenomycetes, 132; spores, 

 134; veil-formation, 132. 



Hymenophyllaceae, 194. 



Hynienophylleae, 227 ; an- 

 theridia, 202 ; germina- 

 tion, 200 ; hair-structures, 

 215; leaf, 222; leaf- veins, 

 217; placenta, 2 1 9 ; spores, 

 198, 218, 219 ; supposed 

 gemmae, 200. 



Hymenophyllum, 201, 227. 



Hymenophyllum tunbridg- 

 ense, germination, 201 ; 

 paraphyses, 227; prothal- 

 lium, 201; protonema, 201. 



Hymenostomum, capsule, 

 186. 



Hyoscyamus, fruit, 429 ; 

 seed-coat, 430. 



Hypecoum, floral diagram, 

 416. 



Hypericineae, 469 ; floral 



diagram, 457 ; stamens, 



356. 

 Hypericum calycinum, floral 



formula, 420 ; flower, 422 ; 



stamens, 356. (Fig. 342.) 

 Hypericum perforatum,floral 



diagram, 458. (Fig. 279.) 

 Hyphae (Fungi), 81. 

 Hypneae, stem, 170 ; sporo- 



gonium, 180. 

 Hypnum, 141 ; branching, 



169. 

 Hypnum cordifolium, 180. 

 Hypnum crista castrensis, 



sporogonium, 142. 

 Hypnum cupressiforme, 180. 

 Hypnum cuspidatum, 180. 

 Hypnum giganteum, 180. 

 Hypnum triquetrum, lateral 



shoots, 169, 180. 

 Hypobasal, 205. 

 Hypocotyl, 448. 

 Hypoglossum, 75. 

 Hypogynous, 371. 

 Hypophloeodic Lichens, 119. 

 Hypophysis, 398. 

 Hypopterygium, leaves, 168. 

 Hypothallus (Lichens), 119. 

 Hypsophyllary leaves, 406. 



Iberis, vascular bundles, 462. 



Ilicineae, 470. 



Illicium anisatum, fruit, 428. 



Impatiens, embryo, 448 ; 

 secondary roots from, 448 ; 

 fruit, 429 ; increase in 

 size, 450 ; pollen-tube, 

 367. 



Indefinite (stamens), 360. 



Indusia, 194. 



Indusium (Ferns), 216. 



Inferior (ovary), 372, 378. 



Inflorescence, 303. 



Innovations, 140. 



Integuments (ovule), 300, 

 304, 382. 



Interfascicular cambium, 

 462. 



Intine, 365. 



Intrapetiolar buds, 451. 



Introrse (anthers), 354. 



Involucel, 407. 



Involucre, 353, 407. 



Ipomaea bona nox, inflor- 

 escence, 411. 



Irideae, floral diagram, Fig. 

 366; gynaeceum, 440, 443, 

 444 ; style, 380. 



Iris, anthers, 354. 



I satis taurica. Fig. 338. 



Isocarpae, 471. 



Isoeteae, 189, 196; connec- 

 tion with Coniferae, 192; 



prothaUia, 190 ; spores, 

 189, 191. 



Isoetes, 274 ; apex of stem, 

 290; apogamy,295; arche- 

 gonia, 286 ; embryo, 287 ; 

 internodes, 278 ; leaves, 

 289; ligule, 289, 290; ma- 

 crospores,285,295 ; micro- 

 spores, 284 ; spermato- 

 zoids, 285 ; sporangium, 

 274, 291, 293 ; stem, 288, 

 297 ; velum, 289. 



Isoetes Duriaei, 293. 



Isoetes Hystrix, 298. 



Isoetes lacustris, 284, 290. 

 (Figs. 229, 230, 233, 239, 

 240, 241.) 



Isogamous fertilisation, 27, 

 31, 42, 84. 



Isostemonous flowers, 455. 



Jasmineae, 471. 



Juglandeae, 467. 



Juglans, fruit, 429 ; seeds, 

 392, 446. 



Juglans regia, lateral shoots, 

 451. 



Juliflorae, 467. 



Juncaceae, 443, 444 ; peri- 

 anth, 350. 



Juncagineae, 44 5 ; embryo- 

 sac, 441 ; empirical dia- 

 gram, 439; flower, 438; 

 gynaeceum, 440 ; seed, 

 430. 



Juncus alpinus, inflorescence, 

 408. 



Juncus bufonius, 408. 



Juncus Gerardi, 408, 



Juncus lamprocarpus, inflor- 

 escence, 407. 



Juncus tenuis, inflorescence, 

 407. 



Jungermannia, archegonia, 

 79 ; germination, 146 ; 

 vegetative body, 145. (Fig. 

 105.) 



Jungermannia bicuspidata, 

 145; branching,i56. (Figs, 

 loi, 104.) 



Jungermannia trichophylla, 

 branching, 156, 



Jungermannieae,i53;branch- 

 ing, 155, 156; distribu- 

 tion, 155; divisions, 153, 

 154; germination, 146; 

 leave?, 155 ; sexual organs, 

 141, 154; tissues, 143. 

 (Fig. 105.) 



Juniperus, 339 ; archegonia, 

 334; berry, 338; carpels, 

 306; embryo, 337; floral 

 axis, 323 ; flowers, 322 ; 

 leaves, 321, 322; phyllo- 



