INDEX. 



953 



Haira, edible, of flowers, ii. 169. 



— floccose, i. 324. 



— glandular, absorptiou of animonio. i. 6j. 

 of Sarmcenia, i. 12Ö. 



— multictillular. i. 320. 



— of Aldrovandia leaf, !. 153. 



— of leaves, ia relation to water-absorption, 



i. 227. 



— on Krodium fruit, i. 620. 



— on foliage, abiuidanco in Mediterranean 



district, &e., i. 317. 



— protection of chlorophyll, i. 392. 

 stomata from wetting, i. 293. 



— protective secretory, ii. 234. 



— protect young foliage-leaves, i. 353. 



— scaly, i. 324. 



— silicic acid in. i. 67. 



— sihcified. i. 440. 



— soft felted, and grazing animals, i. 442. 



— stellate, i. 322; ii. 564. 



— stinging, mode of action, i. 439, 442. 



— T-shaped, i. 321- 



— tufted, i. 323. 



— xmicellular, i. 319. 



— Tesicular, i. 324. 



— which retain moisture, i. 228. 

 Hairy coTering and authocyanin, i. 487. 

 Hakea, leaves of, ii. 751. 



Hakea florida, Australia, protection of 

 storaata from moisture, i. 296. 



stomata, surface view and section, i. 



297. 



Halantium Kulpianum, stamen, Ii. 87. 



Hales, Stephen, work on vital phenomena of 

 plants, i. 16. 



Halesia, propagation by root-slips, ii. 28. 



Half-parasitic, i. ISO. 



Half-saprophytic, i. 180. 



Halichoudfia and Struvia delicatula, ii. 646. 



HalictuB, sheltering in flowers, ii. 163. 



Halidrys, ii. 664. 



HaUmeda, relation to light, i. 338. 



— thallus, ii. 645. 



Halimocnemis, coloured stamen-filaments, 

 Ü. 183. 



— pollen and pollination, i. 645. 

 Halimocnemis gibbosa, stamen, ii. 87- 

 Halimocnemis mollissima, inflorescence, &c., 



ii. 184. 

 Haller, Historia Flantarum, ii. I. 

 Halopbila, pollen and pollination, ii. 105. 



— sub-aqueous pollination, ii. 739. 

 Halopbytes, application of term. i. 74. 

 Haltica Atrup:«. beetle on Deadly Night- 

 shade, i. 431. 



Haminia, stamen, ii. 87. 



Hanburya mexicana, tendril, callus - like 



growths of, i. 697. 

 Haplophyllum, honey protection, ii 241. 

 Haplophyllum Biebersteinil, autogan)y, ii. 



337. 

 Hard bast. i. 469. 474. 

 Hard Fern. See BUchnum Spicant. 

 Hare's-ear. See Buplmrum. 

 Harpagophytum procumbens, hooked fruit 



of, iL 870. 

 Harpoon fruits, ii. 870. 

 Hart's Tongue Fern. See Scolopendrium 



vulgare. 

 Ilaustoria, and external stimulus, i. 771 



— application of term in Fungi, L 164. 



— forma, origin, &c., i. 7M. 



— of Cuscuta. L 174. 



— of Erysipheae, ii. 59. 



— of Mildews, iL 677. 



— of Mistletoe, death. L 210. 



— of parasites, L 115. 



— of Peronosporeae, ii. 56. 

 Hawk-motb, ii. 153. 

 Hawk-moths, and flower-colour, U. 196. 



and Honeysuckle scent, Ii. 207. 



and laterally directed flowers. 11, 225. 



Hawkweed, Hairy. See Hieracium viilogum. 

 Hawthorn. See Cratagus Oxyacantha. 

 Hay-bacillus. See Baculus sjü/tilis. 

 Hazel See Corvlut. 



Hearts' -ease. See Viola tricolor. 



Heat, action of, i. 53. 



— and distribution of plants, i. 527. 



— and dried seeds, i. 555. 



— and growth, i. 512. 



— and growth, estimation, i. 557. 



— and opening of flowers, ii. 219. 



— distribution in germination, i. 560. 



— eft'ect ou growth, &c., ii. 503. 



— eflfecton piotoplasni, i. 553. 



— evolution in respiration, i. 497. 



— latent, i. 492. 



— nature of, i. 58, 513. 



— protection from loss, i. 528. 



— sensible, i. 492. 



— source of. i. 518. 



— transformation by plant, i. 492. 

 Heath. See Erica. 



Heath. Irish. See Dabeocia poU/oUa. 



— vegetation, indigestibility, i. 432. 

 Hedera, colour and flies, ii. 197. 



— easy vegetative propagation, i. 251. 



— honey, ii. 173, 179. 



— leaf-mosaic, i. 423. 



— roots from leafstalks, i. 772. 



— scent, i. 200. 



Hedera Helix, climbing roots, i. 702, 705, 754. 



embryo and cotyledons, i. 600. 



erect stems as cuttings, i. 709. 



flower-opening constant, i. 559. 



grafting and dwarf trees, ii. 518. 



on Oak, i. 703. 



resistance to cold. ii. 489. 



scent, ii. 209. 



variety in asexual shoots, ii. 471. 



Hedera poetarum, and resistance to cold, Ü. 



489. 

 Hedge-shrubs, mode of growth, i. 673. 

 Hedychium, ii. 736. 



— hybrids and starch -grains, &c., ii. 566. 

 Hedychium angustifoUum, ovary and fruit, 



iL 77. 

 Hedysamm Canadense, hooked fruit, ii. 871. 

 Heliamphora nutans, habitat, ascidia, &c., 



i. 124, 125. 

 Helianthemum. cleistogamy, ii. 393. 



— CO nducting-t issue for pollen-tubes, ii. 410. 



— duration of blossoms, ii. 214. 



— elevation of leaf-stalks, i. 419. 



— flowers follow the sun, ii. 123. 



— hairs on. L 317, 323. 



— nectarless, ii. 167. 



— pollen-grains, ii, 99. 



— protection of pollen, ii. 127. 



— stigma, ii. 281. 



Helianthemum alpestre, protection of pollen, 

 Ü. 120. 



protogynous, iL 310. 



Helianthemum grandiflorum, erect and pro- 

 cumbent twigs, L 417. 



Helianthemum marifolium, fertilization, il 

 411. 



Helianthemum Tuberaria, Mediterranean, 

 L 319. 



Helianthiis, ovary, ü. 73. 78. 



Hclianthus aunuus, genuinatiou constant. 

 L558. 



movements of cotyledons, L 532. 



Helianthus tuberosus, alleged effect of graft 

 on Helianthus aunuus, ii. 572. 



Helichrysum. coloured bracts, ii. 187. 



— decurrent leaves, L 33Ö. 



— hairy covering in summer, i. 319. 



— hermaphrodite andpistillatc flowers, i. 297. 

 Helichrysum annuum, germination, i. 611, 



613. 

 Helichrysum aronarium, &c., coloured bracts, 

 ii. 187. 



— — flower-opening constant, L 559. 



with gall of Kutyloma Aschcrsonil, U. 



521. 

 Helichrysum virgineum. Mount Athos, ii. 187, 

 Helicodiccros, pollination, iL 164. 

 Heliosperma quadrilldum, seed-dispersal, iL 



852. 

 Heliotropium, scent, ii. 200. 

 Hell-bind, name for Cuscuta, L 175. 

 Hellebore, White. See Veratrum album. 



Helleborino. See Epipactia. 



Hcllebonis, cross-fertilization, iL 305. 



— hybrids in, iL 584. 



— movements of stamens, iL 250. 



— nectaries, ii. 179. 



— ])ollen depo.«<ition, iL 278. 

 H(--lleborus niger, colour of sepals, iL 183. 

 habit, ii. 773, 



nectaries, change of colomr in floral 



leaves, i. 376. 



odourless, i. 431. 



Helosia. leaf-scales, i. 191, 196. 

 Helotium Tuba, ii. 19. 

 Helvella, osci and ascospores, iL 19. 

 Helvella fistulosa, &c., i. 589; ii. 19, 83. 



683. 

 Hehvingia msciflora. flowers on leaves, ii. 



38. 

 Hemerocallis, ii. 731. 



— cross-fertilization, ii. 301. 



— geographical distribution, ii. 402. 



— latitude and opening, ij. 217. 



— scentless, iL 209. 



— stigma, ii. 281. 



Hemerocallis flava, duration of flowering, iL 



213. 



roots, i. 760. 



HemerocaUis fulva, latitude and closing, ii. 



218. 



opening and closing, ii. 212. 



sterility under cultivation, iL 402. 



Hemibasidii, distinctive characters, ii. 676. 



Hemionitis, sori, ii. 70tj. 



Hemitelia, indusium, iL 708. 



Hemlock. See Conium Vioculatum. 



Hemlock Firs, ii. 725. 



Hemp. See Caimabis sativa. 



Henbane. See Hyosct/amus. 



Henbit Dead-nettle. See Lamiiuu üinplexi- 



caule. 

 Heuslowia, parasitic, L 204. 

 Hepatica triloba, anthocyanin, i. 520. 

 cause of flecked appearance of leaves, 



i. 285. 



dates of flowering, i. 519. 



duration of flowering, ii. 213. 



flower colour and habitat, ii. 194. 



vrinter protection, i. 550. 



Hepaticie, absorption cells of, i. 86. 



— absorption of carbonic aciil, L 62. 



— absorption of water, i. 218. 



— afford home to Fodifene, i. 225. 



— and Nostoc, ii. 622. 



— apical-cell, i. 578. 



— cell-complexes, i. 591. 



— description, ii. 696. 



— forming rings, ii. 794. 



— in cascades, i. 79. 



— offshoots dispersed by rain, ii. 809. 



— on mouldered dust of dead trees, i. 109. 



— origin of sporopbyte, ii. 654. 



— pressure exerted by rhizoids, L 514. 



— saprophytic, on steep rocks, i. 108. 



— structure, i. 590. 



Heracleum, habitat and greenness, L 384. 



— peripheral flowers, iL 186. 



— water- receptacles, i. 240. 



Heracleum palmatum, organic remains In 



inflated vagina;, i. 242. 

 Heracleum Sphondylium, flowering shoot, iL 

 789. 



scent, ii. 202. 



Herbaceous plants, effect of mutilation, iL 



517. 



— shoot, i. 656. 



— 8t«m, i. 715. 

 HerbcD, i. 715. 

 Herbals, early, L 4. 

 Herbarium, i, 5. 



Horbivoni, power of discrimination, ii. 488, 

 Herb Paris. See Paria quadri/olia. 

 Herbs, t>erennial, foliage-leaves and rain, L 



93. 

 Hercules-club. See Coryne pistillaris. 

 Hereditary modiflcation, negative resutta of 



experiment«, il. 514. 

 Ucrniannio, propagation by root-slips, ii. 28. 



