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 visitors, ii. 197. 

 -- opening of flower, ii. 212. 

 -- perfume, ii. 201, 208, 242. 

 Heterochromatism of flowers, ii. 569. 

 Heteroecism, 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. 

 Heteropogon, fruit, i. 620. 



monoecioue, ii. 297. 

 Heterosporous Lycopodinae, 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. 551. 



Hibiscus, stigma, ii. 281. 

 Hibiscus ternatus, 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. 



geitonogamy, ii. 319. 



- hybrids, ii. 585. 



indumenta of hybrids, ii. 564. 



leaves and light, i. 410. 



Hieracium aurantiacum and H. piloseUsa- 



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 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 stolouiflorum, hybrid of H 



aurantiacum x H. piloseUseforme, ii. 586 

 -- mean cross, ii. 558. 

 Hieracium sylvaticum, and bud-galls of 



Aulax Hieracii, ii. 543. 

 Hieracium tenuifolium, anthocyanic, 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. 

 igh Alpine plants, autogamy in, ii. 399. 

 Higher planta not derived from lower, ii. 



614. 

 Hilar caruncle, &c., ii. 425 



lenbrandtia, cell arrangement, L 577. 

 aildenbrandtuiNardi androsea, incrusting, 



Hilum, of starch-grain, i. 460. 



Himalayas, Edelweiss of, i. 316. 



sun 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, 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 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 applied to floral 



markings, ii. 190. 

 Honey-leaves of Berberidaceae, ii. 178. 



of Droseraceae, ii. 178. 



of Ranuncuiaceae, 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 scan dent 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 carpinifolia. 

 Hordeum, glumes, ii. 434. 



host of Ustilago 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, 533, 



539- 



Hormosiphon arcticus, habitat, ii. 621. 

 Hornbeam. See Carpinus. 

 Hornblende, i. 83. 



and lime in slate, ii. 496. 

 Hornwort. See Ceratophyllum. 

 Horse-chestnut. See jEsculus 

 Horse-shoe Vetch. See Hippocrepis 

 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. 

 Houston ia, 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 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 Sphaerotheca 

 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 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. 

 Eutchinsia alpina, autogamy, ii. 339. 



&c., favourite soil, ii. 496. 



Eutchinsia petraea, anthocyanin, i. 521. 

 Hyacinthus, ii. 731. 



alluring petals, ii. 170. 



epiphyUous 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. 



change in sexual conditions, ii. 575 



colours in, ii. 566. 



