954 



INDEX. 



Hermaphrodite flowers, and wind fertiliza- 

 tion, ii. 134. 



crossing iu, ii. 301, 



Liunean view, ii. 291. 



Herniinium, scent, ii. 202. 



Herminium MonorcliiB, pollination, ii. 256. 



Hemiarja glabra, perennial, ii, 453. 



Herpes tonsurans, due to Tricophytou ton- 

 surans, i. 169. 



Hesperides, of liraun, ii. 605. 



Hesperis matrunalis, attraction of pollen- 

 tubes by foreign ovules, ii. 414. 



opening of flower, ii, 212, 221. 



scent, ii. 201. 209. 



Hesperis tristis, night visitors, ii. 197. 



opening of flower, ii. 212. 



perfume, ii. 201, 208, 242. 



Heterochromatism of flowers, ii. 569. 



Heteroeciara, of Uredineae, ii. 686 



Heterogamy, and autogamy, ii. 340, 390. 



— various forms, and origin of species, ii. 



595. 

 Heteromorphism, application of term, ii. 



469. 

 Heterophyllous plants, i. 668. 

 Heteropogoo, fruit, i. 020. 



— monoecious, ii. 297. 

 Het«ro8porous Lycopodinse, ii. 477. 

 Heterosporous Pteridophyta, ii. 704. 

 Heterospory, in Equisetales, ii. 711. 



— of Hydropterides, ii. 709. 

 Heternstyled flowers, ii. 302, 396, 398, 405. 

 Hibernating shoots, of Potamogeton crispus, 



i. 551. 

 Hibiscus, stigma, ii. 281. 

 Hibiscus ternatus, pollen -grains, ii. 99. 

 Hibiscus Trionum, autogamy, ii. 355. 



floral markings, ii. 190. 



opening and closing, ii. 212. 



vitality of apermatoplasm, ii. 96. 



Hieracium, autogamy, ii. 372, 374. 



— capituia closing and pollination, i. 741. 



— geitonogamy. ii. 319. 



— hybrids, ii. 585. 



— indumenta of hybrids, ii. 564. 



— leaves and light, i. 410. 



Hieracium aurantiacum and H. pilosellie- 



forme, hybrid, ii. 558. 

 Hieracium Auricula, stolons, ii. 663. 

 Hieracium gymnocephalum, Dalmatia, i. 



319. 

 Hieracium murorura, and bud-gaUs of 



Aidax Hieracii, ii. 543. 

 Hieracium Pilosella, and gall of Psyllodes, 

 Ü. 532. 



anthocyanin in florets, ii. 220. 



procumbent, i. 661. 



protection of pollen, ii. 112, 114. 



rolling up of leaves, i. 314. 



stolons, i. 663. 



Hieracium staticefolium, flowers after 



pollination, ii. 286. 

 Hieracium stoloniflorum, hybrid of H. 



aurantiacum x H. piloaellaeforme, ii. 586. 



mean cross, ii. 558. 



Hieracium sylvaticum, and bud-galls of 



Aulax Hieracii, ii. 543. 

 Hieracium tenuifolium, anthocyanin, i. 520. 

 Hieracium tridentatum, and bud-galls of 



Aulax Hieracii, ii. 543. 

 Hieracium umbellatum, autogamy, ii. 361. 

 Hieracium villosum, protection of stomata 



by hairs, i. 292. 

 Hierochloa, hermaphrodite and staminate 



flowers, ii. 297. 



— scent, ii. 201. 



Hierochloa australis, dichogamy, ii. 312. 

 High Alpine plants, autogamy in, ii. 399. 

 Higher plants not derived from lower, ii. 



614. 

 Hilar caruncle, &c., ii. 425. 

 HUdebrand, and anatomical characters of 



Oxalis hybrids, ii. 565. 

 Hildenbrandtia, cell arrangement, i. 577. 

 HildenbrandtiaNardi and rosea, incruating, 



i. 425. 

 Hilum, of starch-grain, i. 460. 



Himalayas. Edelweiss of, i. 316. 



— sun and shade tempfratun-s, i. 525. 

 Himanthalia. thallus differentiation, ii. 664. 

 HimantoglosBum and Orchis, hybridization, 



ii. 583. 

 Hippocrepis, pollen expulsion, ii. 260. 

 Hippophae, dicecious, ii. 300. 



— hair-scales, i. 324. 



— perianth and andrujcium, ii. 752. 



— pollen storing and dispersion, i». 148, 150. 



— radical shoots, ii. 27. 



— weaving stem, i. 672. 



Hippophae rhamnoides, phyllotaxis, i. 400. 



protection of pollen from wet, ii. 109. 



spines, i. 443. 



Hippuris, aerial and submerged leaves, ii. 

 505. 



— integument of ovule, ii. 81. 



— stamens, Ii. 86. 



Hips, of Rosea, dispersal, ii. 444. 

 Historia naturalis, Pliny, ii, 1. 

 Historia tjlantarum, use of term, ii. 1. 

 HolcuB. hermaphrodite and stuminate 

 flowers, ii. 297. 



— pollination, ii. 142. 

 Holly. See Ihx Aqui/oHnm. 

 Holosericeus, texture, i. 320. 

 Homochromatism of flowers, ii. 569. 

 Homogyne, hermaphrodite and pistillate 



flowers, ii, 297. 

 Homogyne alpina, geitonogamy, ii. 321. 

 Homogyne discolor, i. 303. 

 Homologies, danger of establishing, ii. 615. 

 Homosporous, ii. 478. 

 Homosporous Pteridophyta, ii, 704. 

 Honesty. See Lunaria. 

 Honey, alluring, i. 461. 



— concealment, ii. 180, 181. 



— guidance to, ii. 248. 



— in Nepenthes pitchers, i. 134. 



— secretion, ii. 172, 173. 

 Honey-bee, colour preference, ii. 195. 

 Honey - indicators, name applied to floral 



markings, ii. 190. 

 Honey-leaves of Berberidaceje, ii. 178. 



of Droseracese, ii. 178. 



of Ranunculaceie, ii. 178. 



Honeyless alluring contrivances, ii. 167 et seq. 

 Honey protection by intra-floral hairs, ii. 239. 

 various devices, ii. 241. 



— scent, ii. 202, 207. 

 Honeysuckle scent, ii. 201. 



Hooke. Robert, confirms Leeuwenhoeck's 



observations, i. 21. 

 Hooked seeds, rare, ii. 870. 



— tendrils of Cobaea, i. 697. 



Hooker, Bentham and, Genera Plantarum, 

 ii. 604. 



— Himalayan Journal on scandent trees, i. 



704. 



— monograph on Welwitschia, ii. 726. 

 Hookeria splendens, leaf structure and 



greenness, i. 387, 590. 

 Hop. See Humuhm Injmhis, 

 Hop-hornbeam. See Oatrya carpinifolia. 

 Hordeum, glumes, ii. 434. 



— host of UstQago segetum, ii. 675. 



— pollination, ii. 142. 

 Hormidium, cromatophore, ii. 650. 



— habitats, ii. 650. 

 Hormidium murale, habitat, i. 105. 

 Horminum, honey protection, ii. 241. 

 Hormomyia, galls caused by, ii. 529, 537, 538, 



539. 

 Hormosiphon arcticus. habitat, ii. 621. 

 Hornbeam. See CaT^inus. 

 Hornblende, i. 83. 



— and lime in slate, ii. 496. 

 Homwort. See CtratophyUum. 

 Horse-chestnut. See ^schIus. 

 Horse-shoe Vetch. See HippocrepU. 

 Horsetails. See Equisetacccc. 

 Hortensia, of horticulturists, ii. 187. 

 Hortus siccus, i. 5. 



Host, action of Bacteria on, i. 162. 



— and parasite, intimacy of connection 



between, in Lophophytum, i. 194. 



Host, appearance after death of Mi8tlet<>e, L 

 210. 



— appHcatioD of term, i. 161. 



— behaviour towards parasites, i. 167. 



— effect of Euphrasia on, i. 179. 



— bow attacked by Cuscuta, i. 174. 



— of Lathrsea squamaria, i. 181. 



~ partial destruction by fungi, i. 168. 

 Host-root, effect of Langsdorflla tubercle on, 

 i. 187. 



how affected by Orobanchc, i. 183, 185. 



Hosts, contrivances for protection, i. 104. 



— of Bartsia, i. 180. 



— of Cynomorium, chiefly maritime plants, 



i. 198. 



— of Lathra^a, i. 182. 



— of Viscum album, i. 205. 

 Hottonia, food-absorjition, i. 765. 



— heterostyly, ii. 302. 



~ pollen dispersion, ii. 105. 



— protective isolation by water, ii. 234. 

 Hottonia palustris, roots absent, i. 76. 

 House-leek. See Sevipervivum. 

 Houstonia, pollen-grains, ii, 99. 

 Hoveniadulcis, pedicel and fruit, ii. 435. 

 Hoya camosa, aids to climbing, i. 687. 



propagation by leaf-cuttings, ii. 41. 



Humble-bee, and pollen, ii. \iVl. 



and Salvia glutinosa, ii, 262. 



colour preference, ii. 195. 



Humble-bees, as honey stealers, ii. 239. 

 Humic acid, protluced by decay, i. 101. 



some properties of, i. 101. 



Himiidity, continued, of atmosphere, iujiui- 



ous effect on plants, i. 283. 

 Humming-birds and honey, it 180. 

 and laterally-directed flowers, ii. 225. 



— — and pollen-sprinkling flowers, ii. 271. 

 Humous acids, and preservation of fossil 



plants, i. 262; ii. 612. 

 Humulus, diiKcious, ii. 299. 



— pollen dispersion, ii. 143. 



— pollination, ii. 133. 



— prickles, i. 637. 



Humulus Lupulus, attacked by Spbserotheca 

 Castagnei, ii, 60. 



dextrorse twining, i. 685. 



fruit-protecting glands, ii. 447. 



nutation, i. 683. 



protogyny, ii. 313. 



seed-dispersal, ii. 854. 



shoots and climbing hooks, i. 688. 



stem with Cuscuta, i. 175. 



twining, i. 682. 



Humus, constitution and facies of vegeta- 

 tion, ii. 498. 



— limitation of availability to plants, i. 113. 



— moisture retention, i. 775. 



— nature of, i. 84. 



— retention of mineral substances, ii. 499. 

 Hundred Years' Aloe. See A'java auuricaua. 

 Hungarian plains, hairiness of plants, i, 318. 

 scarcity of Mosses and Ferns, ii. 457. 



— uplands, protected vegetation, i. 451. 

 Hura crepitans, detonation, ii. S39. 

 Hutchinsia alpina, autogamy, ii. 339. 



&c., favourite soil, ii. 496. 



Hutchinsia petrsea, anthocyanin, i. 521. 

 Hyacinthus, ii. 731. 



— alluring petals, ii. 170. 



— epipliyllous buds, ii. 43. 



— leaf-bud, emerging from soil, i. 640. 



— leaves, and rain conduction, i, 94. 



— roots, i. 753. 



— scent, ii. 200, 



Hybridization, formative importance of cyto 

 plasm, ii. 494. 



— general discussion, ii. 317. 



— nature of, ii. 301. 



— reaUzation of factors in, ii. 573. 

 Hybrids, and origin of sirecieff, ii. 583. 



— and reversion, ii. 580. 



— and season of flowering, ii. 574. 



— and "transitional forms", ii. 584. 



— artificial, number of. ii. 555. 



— change in sexual conditions, ii. 575 



— colours in, ii. 566. 



