INDEX 



617 



Helicoid Cyme, see Bostryx 



Heliotaotic movements, 243 



Heliotropism, 251, 252 



Heliotrqpiuvi, 578 



Hellebore, Black (Christmas Rose), Helle- 

 borus niger 

 Green, Helleborus viridis 



Helleborus, 511, *512, 514 ; stoma, 190 



Helobiae, 482 



Jlelvella, 360 



Helvellaceae, 359 



Hemerocallis fulva, *429 



ffemiasci, 342, 349 



Hemibasidii, 342, 360 



ffemileia, 367 



Hemlock, Coiiium 



Poison-, Conium maculatum 

 Water-, C'icuta virosa 



Hemp, Cannabis 

 -nettle, GoJeopsis 



Hepaticae, 308, 381, 384, 385 ; form, 14 ; 

 phylogeny, 145 



Heracleum, 547, 549 



Herba Absinthii, 599 ; Cannabis, 503 ; 

 Cardui Benedicti, 599 ; Centaurii, 

 575 ; Cochleariae, 520 ; Conii, 550 ; 

 Galeopsidis, 587 ; Hyoscyami, 582 ; 

 linguae eervinae, 402 ; Lobeliae, 593 ; 

 Meliloti, 562 ; Millefolii, 599 ; Ori- 

 gani, 587 ; Rosmarini, 568 ; Sabinae, 

 442 ; Serphylli, 587 ; Spilanthis, 

 599 ; Thymi, 587 ; Violae tricoloris, 

 524 



Herb Paris, Paris quadrifolia 



Hercogamy, 287 



Hermaphrodite, 284, 428 



Herniaria, 508 



Hesperidin, 74 



Heterobasidion, 371 



Heterocysts, 307 



Heteroecions Uredineae, 366 



Heteromerous thalli, 377 



Heterosporous Pteridophyta, 399 

 Phanerogams, 427 



Heterostyly, 286 



Hevea, 543 



Hibbertia, 261 



Hibisceae, 349, 530 



Hieracium, 598 



Hildebrandtia, 334 



Himanthalia, 332 



Himantidium, *314 



Jlippomane, 543 



Hippophae, 540 



Hippuris, 236, 256, 563 ; vegetative point, 

 *150 



Holcus, 480 



Holly, Ilex 



Hollyhock, Althaea rosea 



Homoiomerous thalli, 376 



Homosporous Pteridophyta, 399 



Honesty, Lunaria 

 Honeydew, Olaviceps purpurea 

 Honey-locust, fileditschia 

 Honeysuckle, Lvnicera 



Bush, Weigelia 

 Hop, Humulus 

 Hopea, 525 

 Hordeae, 480 



Hordeum, 480, 481 ; roots, 152 

 Hormogonia, 307 

 Hornbeam, Carpimis 

 Horn-nut, Trapa 

 Hornwort, Oeratophyllum 

 Horse-chestnut, A esculus 



-radish, Cochlearia Armoraeia 



-tails, Equisitinae 

 Hosta, see Funkia 

 Houseleek, Sempervivum tectorum 

 Humming-birds, fertilisation by, 284 

 Humulus, *502, 503 ; glandular scales, 



*97, 99 

 Humus acids, 183 



theory, 196 

 Hura crepitans, 293, 541 

 Hyaciuthus, 466 

 Hyaloplasm, 51 

 Hybridisation, 287 

 Hydathodes, 91, 99 

 Hydneae, 370 

 Hydnum, *370 

 Hydra, 213, 320 

 Hydrangea, 552 

 Hydrastis, 514 

 Hydrocliaris, 236, 245, 483 

 Hydrocharitaceae, 483 

 Hydrocotyle, 5491 

 Hydrogen, 171-173 

 Hydrolapathum, 145, 335 ; form, *13 

 Hydrophilous plants, 282 

 Hydrophyllaceae, 578 



Hydropterideae, 400 ; alternation of genera- 

 tions, 406 

 Hydrotropism, 263, 281 

 Hygroscopic curvatures, *247, 293 

 Hylocomium, 394 

 Hymenium, 343 

 Hymenogastreae, 373 

 Hymenolichenes, 378, 380 

 Hymenomycetes, 145, 363, 364, 378 

 Hymenophyllaceae, 404 

 Hyoscyamus, *432, *447, *581, 582 

 Hypecoum, 517, 520 

 Hypericaeeae, 524 

 Hypericum, *524 

 Hyphae, 341 ; multinuclear, 60 

 Hyplwmycetes, 340 

 Hypnum, 394, *395 

 Hypocotyl, *45, 46, 294 

 Hypoderma, 111, 170 

 Hypogean, 458 

 Hypogynous flowers, 450, "451 



