INDEX. 



953 



Mediterranean 



,. 392. 

 292. 



Hairs, edible, of flowers, ii. 169. 



— flocoose, i. 324. 



— glandular, absorption of ammonia, i. 66. 

 of Sarracenia, i. 126. 



— multicellular, i. 320. 



— of Aldrovandia leaf, i. 153. 



— of leaves, in relation to '.vater-absorption 



i. 227. 



— on Erodium fruit, i. 620. 



— on foliage, abundance ii 



district, &c., i. 317. 



— protection of cliloropbyll, 

 stomata from wetting, 



— protective secretory, ii. 234. 



— protect young foliage-leaves, i. 353. 



— scaly, i. 324. 



— silicic acid in, i. 67. 



— silicified, i. 440. 



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



— stellate, 1.322; ii. 564. 



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



— T-sbaped, i. 321. 



— tufted, t 323. 



— imicellular, i. 319. 



— vesicular, 1. 324. 



— which retain moisture, i. 228. 

 Hairy covering and anthocyanin, i. 487. 

 Hakea, leaves of, ii. 751. 



Hakea tlorida, Australia, protection of 

 stomata 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. 



Halichondria and Struvia delicatula, ii. 646. 



Halictus, sheltering in flowers, ii. 163. 



Halidrys. ii. 664. 



Halimeda, relation to light, i. 388. 



— thallus, ii. 645. 



Halimoonemis, coloured stamen-filaments, 

 ii. 183. 



— pollen and pollination, i. 645. 

 Halimocnemis gibbosa, stamen, ii. 87- 

 Halimocnemis moUissima, inflorescence, &c., 



ii. 184. 

 HaUer, Historia Plantarum, ii. 1. 

 Halophila, pollen and pollination, ii. 105. 



— sub-aqueous pollination, ii. 739. 

 Halophytes, application of term, i. 74. 

 Haltica Atropse, 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 Biebersteinii, autogamy, ii. 



337. 

 Hard bast, i. 469, 474. 

 Hard Fern. See BUchnum Spicant. 

 Hare's-ear. See Bupleurum. 

 Harpagophytum procumbens, hooked fruit 



of, ii. 870. 

 Harpoon fruits, ii. 870. 

 Hart's Tongue Fern. See ScolopendHum 



vulgare, 

 Haustoria, and external stimulus, i. 771 



— application of term in Fungi, i. 164. 



— forms, origin, &c., i. 754. 



— of Cuscuta, i. 174. 



— of Erysiphea, ii. 59. 



— of Mildews, ii. 677. 



— of Mistletoe, death, i. 210. 



— of parasites, i. 115. 



— of Peronosporeie, ii. 56. 

 Hawk-moth, ii. 153. 

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



and Honeysuckle scent, ii. 207. 



and laterally directed flowers, ii. 225. 



Hawkweed, Hairy. See Bifracium villosum. 

 Hawthorn. See Crataegus Oxyacantha. 

 Hay-bacillus. See Bacillus subtUis. 

 Hazel. See Corylus. 



Hearts'-ease. See Viola tricolor. 



Heat, action of, i. 58. 



— and distribution of plants, i. 527. 



— and dried seeds, i. 555. 



— aud growth, i. 512. 



— aud growth, estimation, i. 557. 



— aud opening of flowers, ii. 219. 



— distribution in germination, i. 560. 



— effect on growth, &c., ii. 603. 



— effect on protoi)lasm, i. 553. 



— evolution in respiration, i. 497. 



— latent, i. 492. 



— nature of, i. 58, 513. 



— protection from loss, i. 628. 



— sensible, i. 492. 



— source of, i. 518. 



— transformation by plant, i. 492. 

 Heath. See Erica. 



Heath, Irish. See Dabeocia puli/olia. 



— 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 leaf-stalks, 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 aud 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, il. 



489. 

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

 Hedychium, ii. 736. 



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

 Hedychium angustifolium, ovary and fruit, 



ii. 77. 

 Hedysarum Canadense, hooked fruit, ii. 871. 

 Heliamphora nutans, habitat, ascidia, &c., 



i. 124, 125. 

 Helianthemum, cleistogamy, ii. 393. 



— couducting-tissue for pollen-tubes, ii. 410. 



— duration of blossoms, ii. 214. 



— elevation of leaf-stalks, i. 419. 



— flowers follow the sun, ii. 123. 



— hairs on, i. 317, 323. 



— nectarless, ii. 167. 



— pollen-grains, ii. 99. 



— protection of pollen, ii. 127. 



— stigma, ii. 281. 



HeUanthemum alpestre, protection of pollen, 

 ii. 120. 



protogynous, ii. 310. 



Helianthemum grandiflorum, erect aud pro- 

 cumbent twigs, i. 417. 



Helianthemum marifohum, fertilization, ii. 

 411. 



Helianthemum Tuberaria, Mediterranean, 

 i. 319. 



Helianthus, ovary, ii. 73, 78. 



HeUanthus annuus, germination constant, 

 i. 558. 



movements of cotyledons, i. 632. 



Helianthus tuberosus, alleged effect of graft 

 on Helianthus annuus, ii. 572. 



Helichrysum, coloured bracts, ii. 187. 



— decurrent leaves, i. 336. 



— hairy covering in summer, i. 319. 



— hermaphrodite andpistillate flowers, i. 297. 

 Helichrysum annuum, germination, i. 611, 



613. 

 Helichrysum arenarium, &c., coloured bracts, 

 ii. 187. 



flower-opening constant, i. 559. 



with gall of Entyloma Aschersonil, ii. 



521. 

 Helichrysum virgineum, Mount Athos, ii. 187. 

 Helicodiceros, pollination, ii. 164. 

 Heliosperma quadrifidum, seed-dispersal, ii. 



852. 

 Heliotropium, scent, ii. 200. 

 Hell-bind, name for Cuscuta, i. 176. 

 Hellebore, White. See Veratrvm album. 



Helleborin«. Bea Epipaelis. 

 Hellebonu, crou-feniliuUoD. U. SOft 



— hybrids in. ii. 684. 



— moTeiuoDt« of staturtu, il. 2!0. 



— nectaries, ii. 179. 



— pollen deposition. II. 278. 

 Hellctmrus uiuvr, coluur of wi^U, IL L8X 

 hubll, ii. 773. 



uecUries, cbaugo of oolt\u to flotmJ 



leaves, i. 370. 



odourless, I. 431. 



Hclosi^ leaf-scales, I. 191. IW. 

 Hclotlum Tuba. 11. 19. 

 Uelvella, asci and asoosporca. 11. 19. 

 Helvclla tistulosa, &c.. i. 689; IL 19, 83, 



683. 

 Helwingia riisciflora. flowers on Icatos, U 



Hemerocallis, II. 731. 



— cross-fertilization, il. 301. 



— geographical dislributlnri, il. 401 



— latitude and oiieiuiig, li. 217. 



— scentless, ii. 209. 



— stigma, ii. 281. 



Hemerocallis flava, duration of flowering, IL 



213. 



roots, i. 760. 



Hemerocallis fulva, laliCudu aud closluf. IL 



218. 



oi>ening and closing, ii. 212. 



sterility under cultivatiua. ii. 40X 



Hemibasidii, distinctive characters, ii. 876. 



Hcmionitis, sori, ii. 700. 



Hemitelia, indusium, ii. 708. 



Hemlock. See Conium viaculatum. 



Hemlock Firs, ii. 725. 



Hemp. See CatiTuibit tativa. 



Henbane. See Hyoieyamu*. 



Henbit Dead-nettle. See Lamium ampltxi- 



caule. 

 Henslowia, parasitic, i. 204. 

 Hepatica triloba, antliocyauin, i. 630. 

 cause of flecked ap|>earance of lotvci, 



i. 285. 



dates of flowering, i. 519. 



duration of flowering, ii. 213. 



flower colour and habitat, ii. IIH. 



winter protection, I. 550. 



Hepaticai, absorption cells of, I. 86. 



— absorption of carbonic acid, i. 62. 



— absorption of water, 1. 218. 



— afford home to FoiUfcnB, i. 225. 



— and Nostoc, ii. 622. 



— apical-celL i. 578. 



— cell-compleien, i. 591. 



— description, ii. 6i»C. 



— forming rings, ii. 794. 



— in cascades, i. 79. 



— offshoots disiicrsc'd by rain. IL 809. 



— on mouldered dust of dea<l Uvea, L lOB. 



— origin of sporophyte. li. 6M. 



— pressure exerted by rhlzoidx. L 511 



— saprophytic, on steep rocks, I 108. 



— structure, i. 5'.<0. 



Heracleum, habitat and grecnneas, L 381 



— peripheral flowers, li. 186. 



— water-receptacles, 1. 240. 



Heracleum palmatum. organic remains In 



inflated vaginii.-, I. 242. 

 Heracleum Sphondjliuni. flowering titooU IL 

 789. 



scent, il. 202. 



Herbaceous plants, effccl i>f mutilation, il. 



617. 



— shoot, I. 656. 



— stem. I. 715. 

 Herbro, I. 715. 

 Herbals, early. 1. 1 

 Herbarium, I. 5. 



HerbiTota, power of discrimnaUoo. IL 48B, 

 Herb Paris. See P>tns i/u.uirijutui, 

 Herl«, perennial, foliate U«tc« aod nstn, I 



93. 

 Hercules-olub. 8t« Corynt pUtiltmrU. 

 Hereditary modlflcaUon. nrgaUte rMOlU o4 



experiments, il. 614- 

 Uermanuia, propagatiOD bjr root-«lip)k U. M. 



