954 



INDEX. 



Hermaphrodite flowers, and wind fertiliza- 

 tion, 11, 134, 



crossing in, ii. 301. 



Linnean view, ii. 291. 



Herminium, scent, ii. 202. 



Herminium Monorchis, pollination, Ii. 256. 



Hemiaria glabra, perennial, ii. 453. 



Herpes tonsurans, due to Tricophyton ton- 

 surans, i. 169. 



Hesperides, of Braun, ii. 605. 



Hesperis matronalis, 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. 



Heteroecism, of UredineEe, 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. 

 Heteropogon, fruit, i. 620. 



— moncecioug, ii. 297. 

 Heterosporous Lycopodince, ii. 477. 

 Heterosporous Pteridophyta, ii. 704. 

 Heterospory, in Equisetales, ii. 711. 



— of Hydropterides, ii. 709. 

 Heterostyled flowers, il. 302, 396, 398, 405. 

 Hibernating shoots, of Potamogeton crispus, 



i. 551. 

 Hibiscus, stigma, ii. 281. 

 Hibiscus ternatus, poUen-grains, ii. 99. 

 Hibiscus Trionum, autogamy, ii. 355. 



floral markings, ii. 190. 



opening and closing, ii. 212. 



vitality of spermatoplasm, ii. 96. 



Hieracium. autogamy, ii. 372, 374. 



— capitula closing and pollinatioa, i. 741. 



— geltonogamy, ii. 319. 



— hybrids, ii. 585. 



— indumenta of hybrids, 11. 564:. 



— leaves and light, 1. 410. 



Hieracium aurantiacum and H. pilosellffl- 



forme, hybrid, ii. 558. 

 Hieracium Auricula, stolons, ii. 663. 

 Hieracium gymnocephalum, Dalmatia, i. 



319. 

 Hieracium murorum, and bud-galls of 



Aulax Hleracii, ii. 543. 

 Hieracium Pilosella, and gall of Psyllodes, 

 ii. 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. pilosellce forme, ii. 586. 



mean cross, ii. 558. 



Hieracium sylvatlcum, and bud-galls of 



Aulax Hieracii, ii. 543. 

 Hieracium tenuifoUum, anthocyanin, i. 520. 

 Hieracium trldentatum, and bud-gaUs of 



Aulax Hieracii, ii. 543. 

 Hieracium umbellatum, autogamy, ii. 361. 

 Hieracium vlUosum, protectioti of stomata 



by hairs, i. 292. 

 Hierochloa, hermaphrodite and staminate 



flowers, ii. 297. 



— scent, ii. 201. 



Hierochloa australis, dichogamy, U. 312. 

 High Alpine plants, autogamy in, ii. 399. 

 Higher plants not derived from lower, ii. 



614. 

 HUar caruncle, &c,, ii. 425. 

 Hildebrand, and anatomical characters of 



Oxalis hybrids, il. 565. 

 Hildenbrandtia, cell arrangement, i. 577. 

 Hildenbrandtia Nardi and rosea, incrusting, 



i. 425, 

 Hilum, of starch-grain, i. 460. 



Himalayas. Edelweiss of, i. 316. 



— Bun and shade temperatures, i. 525. 

 Himanthalia, thallus differentiation, ii. 664. 

 Himantoglossum and Orchis, hybridization, 



ii. 583. 

 Hippocrepis, pollen expulsion, ii. 260. 

 Hippophae, dioecious, ii. 300. 



— hair-scales, i. 324. 



— perianth and androecium, ii. 752. 



— pollen storing and dispersion, ii. 148, 150. 



— radical shoots, ii. 27. 



— weaving stem, i. 672. 



Hippophae rhamnoides, phyllotaxis, 1. 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 Roses, dispersal, ii. 444. 

 Historia naturalis, Pliny, ii. 1. 

 Historia plantarum, use of term, ii. 1. 

 Holcus, hermaphrodite and staminate 

 flowers, ii. 297. 



— poUination, ii. 142. 

 HoUy. See Hex Aqui/oUum. 

 Holosericeus, texture, i. 320. 

 Homocbromatism 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, il. 248. 



— in Nepenthes pitchers, i. 134. 



— secretion, ii. 172, 173. 

 Honey-bee, colour preference, ii. 195. 

 Honey -Indicators, name applied to floral 



markings, 11. 190. 

 Honey-leaves of Berberidaceffi, ii. 178. 



of Droseraceae, il. 178. 



of Ranunculaceae, ii. 178. 



Honeyless alluring contrivances, 11. 167 etseq. 

 Honey protection by in tra-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 Cobsea. 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 Humulus lupulus. 

 Hop-hornbeam. See Ostrya carpini/olia. 

 Hordeum, glumes, il. 434. 



— host of UstUago segetum, ii. 675. 



— pollination, ii. 142. 

 Hormidium, croraatophore, ii. 650. 



— habitats, ii. 650. 

 Hormidium murale, habitat, i, 105. 

 Horminum, honey protection, ii. 241. 

 Hormomyla, galls caused by, ii 529, 537, 538, 



539. 

 Hormosipbon arcticus, habitat, ii. 621. 

 Hornbeam. See Carpinus. 

 Hornblende, i. 83. 



— and lime in slate, ii. 496. 

 Homworfc. See Ceratophyllum. 

 Horse-chestnut. See ^sculus. 

 Horse-shoe Vetch. See Hippocrepis. 

 Horsetails. See Equisetacets. 

 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 Mistletoe, L 

 210. 



— application of term, i. 161. 



— hehaviour towards parasites, i. 167. 



— effect of Euphrasia on, i. 179. 



— how attacked by Cuscuta, 1. 174. 



— of Lathrsea squamarla, i. 181. 



— partial destruction by fungi, i. 168. 

 Host-root, effect of Langsdorffla tubercle on, 



i. 187. 



how affected by Orobanche, i. 183, 185. 



Hosts, contrivances for protection, i. 164. 



— of Bartsla, i 180. 



— of Cynomorium, chiefly maritime plants, 



i. 198. 



— of Lathrsea, i. 182. 



— of Viscum album, i 205. 

 Hottonia, food-absorjjtion, i. 765. 



— heterostyly, ii. 302, 



— pollen dispersion, ii. 105. 



— protective isolation by water, ii. 234. 

 Hottonia palustris, roots absent, i. 76. 

 House-leek. See Sempervivum. 

 Houstonia, pollen-grains, ii. 99. 

 Hoveniadulcis, pedicel and fruit, ii. 435. 

 Hoya carnosa, aids to climbing, i. 687. 



propagation by leaf-cuttings, ii. 41. 



Humble-bee, and pollen, ii. 167. 



and Salvia glutlnosa, ii. 262. 



colour preference, il. 195. 



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



Humlc acid, produced by decay, i. 101. 



some properties of, i. 101. 



Humidity, continued, of atmosphere, injuri- 

 ous effect on plants, i. 283. 



Humming-birds and honey, ii 180. 



and laterally-directed flowers, ii. 225. 



and poUen-sprinkling flowers, ii. 271. 



Humous acids, and preservation of fossil 

 plants, i. 262; ii. 612. 



Himiulus, dicecious, ii. 299. 



— pollen dispersion, ii. 143. 



— pollination, ii. 133. 



— prickles, i. 687. 



Humulus Lupulus, attacked by Sphserotheca 

 Castagnei, Ii 60. 



dextrorse twining, i. 685. 



fruit-protecting glands, ii. 447. 



nutation, 1. 683. 



protogyny, ii. 313. 



seed-dispersal, ii. 854. 



shoots and climbing hooks, i. 688. 



stem with Cuscuta, i. 175. 



twining, 1. 682. 



Humus, constitution and fades of vegeta- 

 tion, ii. 498. 



— hmitation of availabihty to plants, i. 113. 



— moisture retention, i 775. 



— nature of, i. 84. 



— retention of mineral substances, ii. 499. 

 Hundred Years' Aloe. See Agave americana. 

 Hungarian plains, hairiness of plants, i. 318. 

 scarcity of Mosses and Ferns, Ii. 457. 



— uplands, protected vegetation, i. 451. 

 Hura crepitans, detonation, ii. 839. 

 Hutchinsia alpina, autogamy, ii. 339. 



&c., favourite soil, ii. 496. 



Hutchinsia petrtea, anthocyanin, i. 521. 

 Hyacinthus, ii. 731. 



— alluring petals, ii. 170. 



— epiphyllous 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 cy to 

 plasm, ii. 494. 



— general discussion, ii. 317. 



— nature of, ii. 301. 



— realization of factors in, ii. 573. 

 Hybrids, and origin of species, 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. 



