954 



INDEX. 



Hermaphrodite flowers, and wind fertiliza- 

 tion, ii. 131. 



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, iL 605. 



Hesperis matronalis, attraction of pollen- 

 tubes by foreign ovules, ii. 414. 



opening of flower, ii. 212, 221. 



sceut, ii. 201. 209. 



Hesperis tristis, night visitors, ii 197. 



opening of flower, ii. 212. 



perfume, ii. 201, 20S. 242. 



Heterochromatism of flowers, ii. 569. 



Heteroecism, of Uredinese, U. 6S6. 



Heterogamy, and autogamy, ii. 340, 390. 



— various forms, and origin of species, ii. 



595. 

 Heteroniorphism, application of term, ii. 



469. 

 HeterophyUous plants, i. 668. 

 Heteropogon, frtiit, L 620. 



— monoecious, ii. 297. 

 Heterosporous LycopodinK. ii. 477. 

 Heterosporous Pteridophyta, ii. 704. 

 Heterospory. in Equisetales, ii. 711. 



— of Hydropterides, ii. 709. 

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

 Hibernating shoots, of Potamogeton crispus, 



i.551. 

 Hibiscus, stigma, ii. 281. 

 Hibiscus teroatua, pollen -grains, ii. 99. 

 Hibiscus Triouum, autogamy, ii. 355. 



floral markings, ii. 190. 



opening and closing, ii. 212. 



vitaUty of spermatoplasm, ii. 96. 



Hieracium, autogamy, ii. 372, 374. 



— capitula closing and pollination, i. 741. 



— geitonogamy, ii. 319. 



— hybrids, ii. 5S5. 



— 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 Pilosetla, and gall of Psyllodes, 

 ii. 532. 



anthocyanin in florets, ii. 220. 



procumbent, L 6*51. 



protection of pollen, iL 112, 114. 



rolling up of leaves, L 314. 



stolons, i. 663. 



Hieracium staticefolium, flowers after 



pollination, ii. 286. 

 Hieracium stolouiflorum, hybrid of H. 



aurantiacum x H. pilosella: forme, iL 586. 



mean cross, ii. 553. 



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, iL 297. 



— scent, ii. 201. 



Hierochloa australis, dichogamy, iL 312. 

 High Alpine plants, autogamy in, ii. 399. 

 Higher plants not derived from lower, iL 



614. 

 Hilar caruncle, &c., IL 425- 

 Hilddbrand, and anatomical characters of 



Oxalis hybrids, ii. 565. 

 Hildenbrandtia, cell arrangement, L 577. 

 Hildenbraudtia Nardi and rosea, incrusting, 



L425. 

 Hilum, of starch-grain, L 460. 



Himalayas, EJelweiss of. i. 316. 



— sun and shade temperatures, L 525. 

 Himanthalia. thallus differentiation, iL 664. 

 Himantoglossum and Orchis, hybridization. 



ii. 5S3. 

 Hippocrepis, pollen expulsion, iL 260. 

 Hippophae, dioecious, iL 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, phyUotaxis, L 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 Eoses. dispersal ii. 444. 

 Historia naturalis, Pliny, ii. I. 

 Historia plantarum, use of term, ii. 1. 

 Holcus, hermaphrodite and staminate 

 flowers, ii. 297. 



— pollination, ii. 142. 

 Holly. See Hex Aqui/olium. 

 Holosericeus, texture, i. 320. 

 Homochromatism of flowers, iL 669. 

 Homogyne, hermaphrodite and pistillate 



flowers, ii. 297. 

 Homogyne alpina, geitonogamy, iL 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. 

 Hooey-bee, colour preference, ii. 195. 

 Honey -indicators, name applied to floral 



markings, ii. 190. 

 Honey-leaves of Berberidaceie, ii. 178. 



of Droseraceae, ii. 178. 



of Ranunculaceae, ii. 178. 



Honeyle^ alluring contrivances. iL 167 et seq. 

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

 various devices, iL 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, iL 726. 

 Hookeria splendeus, leaf structure and 



greenness, i. 3S7, 590. 

 Hop. See Humulus lupuhts. 

 Hop-hornbeam. See Ostrya carpin\folia. 

 Hordeum, glumes, iL 434. 



— host of Ustilago segetum, iL 675. 



— pollination, ii. 142. 

 Hormidium, cromatophore, ii. 650. 



— habitats, ii. 650. 

 Hormidium murale, habitat, L 105. 

 Horminum, honey protection, iL 241. 

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



539. 

 Hormosiphon arcticus, habitat, ii. 621. 

 Hornbeam. See Carpinus. 

 Hornblende, i. 83. 



— and lime in slate, ii. 496. 

 Hornwort. See Ccratophtjtlum. 

 Horse-chestnut. See ACsetdus. 

 Horee-shoe Vetch. See Hipj>ocrcins. 

 Horsetails. See Equig(tact:<B. 

 Hortensia, of horiiculturiste, ii. 187. 

 Hortus siccus, i. 5. 



Host, action of Bacteria on, i. 162. 



— and parasite, intimacy of connection 



betwetui, iu Lophophytum, i. 194. 



Host, appearance after death of Mistletoe, t 



210. 



— application of term, i. 161. 



— behaviour towards parasites, L 167. 



— effect of Euphrasia on, L 179. 



— how attacked by Cuscuta, i. 174. 



— of Lathnea squamaria, L 181. 



— partial destruction by fungi, i. 168. 

 Host^root. effect of Langsdorffia tubercle on, 



i. 187. 



how affected by Orobanche, L 183, 185. 



Hosts, contrivances for protection. L 164- 



— of Bartsia, L 180. 



— of Cynomorium, chiefly maritime plants, 



L198. 



— of Lathrsea, i. 182. 



— of Viscxmi album, L 205. 

 Hottonia, food-absorption, i. 765. 



— heterostyly, ii. 302. 



— pollen dispersion, ii. 105. 



— protective isolation by water, ii. 234. 

 Hottonia palustris, roots absent, L 76. 

 House-leek. See Sempervivum. 

 Houstonia, poUen-grains, ii. 99. 

 Hovenia dulcLs, pedicel and fruit, iL 435- 

 Hoya camosa, aids to climbing, i. 6S7- 



propagation by leaf-cuttings, ii. 41. 



Humble-bee, and pollen, iL 167. 



and Salvia glutinosa, ii. 262. 



colour preference, iL 195. 



Humble-bees, as honey stealers, iL 239. 



Humic acid, produced by decay, i. 101. 



some properties of, i. 101. 



Humidity, continued, of atmosphere, injuri- 

 ous effect on plants, L 283. 



Humming-birds and honey. iL ISO. 



and laterafly-directed flowers, iL 225. 



and poUen-sprinkling flowers. iL 271 



Humous acids, and preservation of fossil 

 plants, i. 262 ; ii. 612. 



Humulus, dioecious, iL 299. 



— pollen dispersion, ii. 143. 



— pollination, ii. 133. 



— prickles. L 687. 



Humulus LupuJus, attacked by Sphserotheca 

 Castagnei, iL 60. 



dextrorse twining, L 685. 



fruit-protecting glands, iL 447. 



nutation. L 683. 



protogyny, iL 313. 



seed-dispersal, ii. 854. 



Shoots and climbing hooks, L 688. 



stem with Cuscuta. L 175. 



twining, L 682. 



Humus, constitution and facies of vegeta- 

 tion, ii. 498. 



— limitation of availability to plants, L 113. 



— moisture retention, L 775. 



— nature of, L 81 



— retention of mineral substances, ii. 499. 

 Hundred Years' Aloe. Secaimmdm^ricflia. 

 Hung:iriau plains, hairiness of plants, i. 318. 

 scarcity of Mosses and Ferns, ii. 457. 



— uplands, protected vegetation. L 451. 

 Huia crepitans, detonation, ii. 839. 

 Hutchinsia alpina, autogamy, iL 339. 



&c., favourite soil, ii. 4%. 



Hutchinsia petnea, anthocyanin, L 521. 

 Hyacinthus. ii. 731. 



— alluring petals, ii. 170. 



— epiphyllous buds, ii. 43. 



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



— leaves, and rain conduction. L 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, iL 583. 



— and reversion. iL 580. 



— and s^'oson of flowering, iL 574 



— and "transitional forms", ii. 584. 



— artificial, number of. ii. 555. 



— change in sexual conditions. iL S7& 



— colours in, iL 566. 



