954 



INDEX. 



Hermaphrodite flowers, and wind fertiliza- 

 tion, ii. 134, 



crossing in, ii. 301. 



Linnean view, ii. 291. 



Herminium, scent, ii. 202. 



Herminium Monorchis, pollination, Ii, 256. 



Herniaria 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 yisitors, ii. 197. 



opening of flower, ii. 212. 



perfume, ii. 201, 208, 242. 



Heterochromatism of flowers, ii. 569. 



Hetercecism, 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. 

 Heteropogou, fruit, i. 620. 



— monoecious, ii. 297. 

 Heterosporous Lycopodinee, ii. 477. 

 Heterosporous Pteridophyta, ii. 704. 

 Heterospory, in Equisetales, ii. 711. 



— of Hydropterides, ii. 709. 

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

 Hibernating shoots, of Potamogeton crispus, 



i. 651. 

 Hibiscus, stigma, ii. 281. 

 Hibiscus ternatua, pollen-grains, ii. 99. 

 Hibiscus Triouum, 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 pollination, i. 741. 



— geltonogamy, Li. 319. 



— hybrids, ii. 585. 



— indumenta of hybrids, ii. 564. 



— leaves and light, i. 410. 



Hieracium aurantiacum and H. pilosellse- 



forme, hybrid, Ii. 558, 

 Hieracium Auricula, stolons, ii. 663. 

 Hieracium gymnocephalum, Dalmatia, i. 



319. 

 Hieracium murorum, and bud-galls of 



Aulax Hieracii, ii. 543. 

 Hieracium PiloseUa, 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 stolouiflorum, hybrid of H. 



aurantiacum x H. pilosellEeforme, ii. 586. 



mean cross, ii. 558. 



Hieracium sylvaticum, and bud-galls of 



Aulax Hieracii, ii. 543. 

 Hieracium tenuifoUum, anthocyanin, i, 520. 

 Hieracium tiidentatum, 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, a 297. 



— scent, ii. 201. 



Hierochloa auatralis, 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. 

 Hildenbrandtia Nardi and rosea, inorusting, 



i. 425. 

 Hilum, of starch-grain, i. 460. 



Himalayas, Edelweiss of, i. 316. 



— sun and shade temperatures, i. 525. 

 HimanthaUa, thallus differentiation, ii. 664. 

 Himantoglosfium and Orchis, hybridization, 



ii. 683, 

 Hippocrepis, pollen expulsion, ii, 260. 

 Hippophae, dioecious, ii. 300. 



— hair-scales, i. 324. 



— perianth and andrcecium, ii. 752. 



— pollen storiDg and dispersion, ii. 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. 



Hippuria, 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. 



— pollination, ii. 142, 

 Holly. See Hex Aquifolium. 

 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 appUed to floral 



markings, ii. 190. 

 Honey-leaves of Berberidacese, ii. 178. 



of Droseracees, ii. 178. 



of Ranunculacese, ii. 178. 



Honeyless alluring contrivances, ii, 167etseq. 

 Honey protection by iutra-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 cwrpinifolia. 

 Hordeum, glumes, ii. 434. 



— host of Ustilago eegetum, 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 Carpinus. 

 Hornblende, i. 83. 



— and lime in slate, ii. 496. 

 Hornwort. See Ceratophyllum. 

 Horse-chestnut, See j^sculus. 

 Horse-shoe Vetch. See Sippocrepia. 

 Horsetails. See Equisetacece. 

 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. 



— behaviour towards parasites, i. 167. 



— effect of Euphrasia on, i. 179, 



— how attacked by Cuscuta, i. 174. 



— of Lathraea squamaria, i. 181. 



— partial destruction by fungi, i. 168. 

 Host-root, effect of Langsdorffia tubercle on, 



i. 187. 



how affected by Orobanche, i. 183, 185. 



Hosts, contrivances for protection, i. 164. 



— of Bartsia, i. 180. 



— of Cynomorium, chiefly maritime plants, 



i. 198. 



— of Lathrsea, i. 182. 



— of Viscum album, i, 205. 

 Hottonia, food-absorption, 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. 

 HouBtonia, pollen-grains, ii. 99. 

 Hoveniadulcis, pedicel and fruit, ii. 435. 

 Hoya camosa, aids to chmbing, i. 687- 



propagation by leaf -cuttings, ii. 41. 



Humble-bee, and pollen, ii. 167. 



and Salvia glutinosa, ii. 262. 



colour preference, ii. 195. 



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



Humic 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 pollen-sprinkling flowers, ii. 271. 



Humous acids, and preservation of fossil 

 plants, i. 262 ; ii. 612. 



Humulus, dioecious, 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, 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. 



— natxire of, i. 84. 



— retention of mineral substances, ii. 499. 

 Hundred Years' Aloe, See Agava 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 petraea, 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 cyto 

 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. 



— cbange in sexual conditions, ii. 575 



— colours in, ii. 566. 



