INDEX. 



933 



BignoniaceEB, peculiarity of climbing, i. 706 



— scarlet flowers in, ii. 196. 



Bilberry. See Vaccinium uliginosum, Vac- 



cinium myi'tillus. 

 BillbRrgia, protective water-receptacles, ii. 



Bindweed See Ccmvolvuhis. 



Bindweeds, S. Europe, silkiueas, 1. 320. 



BiologicalimportanceofChlorophyceie',ii.627. 



Biorhiza aptera, gall on oak-root, ii 541 



Birch. See Betiila. 



Birches and Firs, struggle for existence, ii. 



514. 

 Birch-tree, bulk compared to volume of solid 



and gaseous nutritive space, i. 259. 

 Bird-lime, from Viscum albuDi, i. 329. 

 Birds, dispersal of plants, i. 205, 463 ; ii. 863. 

 " Bird's eyes", cause of, ii. 35. 

 Bird's-foot Trefoil. See LotTis. 

 Bird's-nest Orchis. See Neottia Nidus-avia. 

 Birthwort. See AHstolocTiia Clematitia. 

 Biscutella Igevigata, ash of, i. 69. 

 Bistort. See Polygonum. Bistoria. 

 Bitter Orange. See Citriis Aurantium. 

 Bitter-sweet. See Solanum Dulcamara 

 Bitter Vetch. See Orobus. 

 Btsa Orellana, flower-bud, ii. 776. 



flowers and fruit, ii. 442, 444. 



Bizzaria, hybrid orange, ii. 569. 



Black Forest, Silver Firs with Mistletoe, i. 



205. 

 Black Grouse. See Tetrao tetrix. 

 Black Pine district, Wiener Wald, Mistletoe 



on Corsican Pine, i. 205. 

 Black Poplar. See Populus nigra. 

 Blackwellia, pollen-grains, ii. 99. 

 Bladder-campion. See Silene inflata. 

 "Bladder-plums'*, cause of, ii. 524. 

 Bladder-senna. See Colutea arborescens. 

 Bladders, of Sea-wracks, Trapa, i. 425. 



— of TJtriculariEe, size, shape, &c,, i. 121. 

 Bladderworts. See UtricularicE. 

 Blastophaga Brasiliensia and Ficus, ii. 162. 

 Blastophaga grossonim and Ficus Carica, ii. 



161. 



and gall-flowers of Pious Carica, ii. 540. 



fertilization of Ficus, ii. 157- 



Blechnum, fronds, ii. 12. 



— protection of sporangia, ii. 13. 



— sorus and indusium, ii. 706. 

 Blechnum Spicant, dimorphic fronds, ii. 476. 



situation of stomata, i. 293. 



"Blendlings", result of crossingof "races", 



ii. 581. 

 Blood, and mould cells, i. 507. 



— nutrient medium for bacteria, i. 162. 

 Blood-corpuscles, red, ii. 624. 

 "Blood-portent", ii. 623. 



Bloodwort. See Sanguinaria Canadejbsia. 

 Bloom, nature of, i. 291, 462. 

 Blossom, nature of, ii. 71. 

 Blossoming, and altitude, i. 526. 



— and geographical position, i. 565. 



— comparative table, i. 566. 



— of sea, i. 389. 



— order of, i. 739. 



— twice in one year, i. 564. 



Blue, coloiu- of spring flowers, ii. 194. 



— true colour of sea-water, i. 389. 

 Blue Moulds, ii. 677. 



Blue Mountains, Jamaica, abundance of 

 Ferns, Mosses, and Liverworts, ii. 457. 



Blueness of water, explanation, i. 389. 



Blue pigment, chlorophyll protecting, i. 392. 



Bocconia, stamen-filaments, ii. 88, 183. 



Bocconia Japonica, pollen discharge, ii, 145. 



Bock, Hieronymus (1498-1554), i. 4. 



and propagation of Ferns, ii. 8. 



herbal of, i. 5. 



Bcehmeria, cause of white spots on leaves 

 i. 285. 



Bcehmeria nivea, bast-cells, i. 725. 



Bog-bean. See Menyanthes trifoliata. 



Bog-moss. See Sphagnum. 



Bog-rushes. Bee ScJicenus. 



Bog-whortleberry. See Vaccinl/um uUgi- 

 nosum. 



Bolbophyllum Beccarii, nature of scent, ii. 



199. 

 Bolbophyllum minutissimum, main features 

 of, i. 299. 



tuber, surface view and section, I. 300. 



Bolbophyllum Odoardi, tubers, leaves, i. 



300. 

 Boletus edulis, ii. 688, 



appearance, ii. 491. 



respiration experiments, i. 498. 



Boletus sanguineus, poisonous, i. 491. 

 Bomhax, hairy seeds, ii. 855. 



— prickles, i. 433. 



Bombua lucorum, pollination of Epipogium, 



ii. 225, 257. 

 Bonapartea, leaf-teeth and termination, i. 



438. 

 Bonds of union, chemical, i. 453, 454. 

 Bonifacius, St., i. 539. 

 Boodlea, thallus, ii. 646. 

 Boraginaceae, ii. 771. 



— autogamy in, ii. 367, 378, 



— cross- fertilization in, ii. 301, 222. 



— dichogamy in, ii. 311. 



— floral change of colour, ii. 191, 194. 



— heterostyly in, ii. 302, 398. 



— hybrids few among, ii. 585. 



— nectaries, ii. 174, 181. 



— pollen and probosces of insects, ii. 248. 



— pollen-grains, ii. 97, 99. 



— pollen-sprinkling in, ii. 275. 



— protection of pollen, ii. 118. 



— protogyny in, ii, 310. 



— venation, i. 630. 



— why named, pointed bristles, i, 441. 

 Borago, cotyledon bristles, i. 623. 



— nectary concealment, ii. 181. 



— protandrous, ii. 311. 



Borago officinalis, colour-contrast of flowers, 

 ii. 189. 



cotyledons, i. 621. 



flower, ii. 275. 



pollen-grains, ii. 98. 



pollen-sprinkling apparatus, ii. 275. 



Borassus, geographical distribution, ii. 740. 



Borassus flabelliformis, Palmyra Palm, 

 height of, i. 712. 



Bordered pits, nature and function, i. 277. 



structure, i. 45. 



Bornet and symbiosis in lichens, ii. 692. 



Botanists and general principles of classifica- 

 tion, ii. 607. 



Botany, descriptive, scope of, i. 15. 



— discussion of terminology, ii. 4. 



— German fathers of, i. 4. 



— "the loveliest of sciences", i. 6. 

 Botrychium, frond, ii. 709. 



— spore-dispersal, ii. 814. 

 Botrychium lanceolatum, ii. 707- 



dimorphic fronds, ii. 11. 



sporangia, ii. 12. 



Botrychium Lunaria, habitat, i. 112. 

 Botrydiacese, ii. 642. 

 Botrydium, cilia of, i. 29. 



— Life-history, ii. 642. 



— reproduction, ii. 482. 

 Botrydium granulatiun, habitat, ii. 642. 

 Botryococcus, life-cycle, ii, 636. 

 Botrytis, fermentative action, i. 508. 

 Botrytis cinerea, i. 263. 

 Bottle-gourd. See Lagenaria. 

 Bouchea coluteoides, sticky foliage, ii. 237. 

 Boundary-line, absence of, between plants 



and animals, i. 54. 

 Bovenia, Australia, ii. 720. 

 Bovista, ii. 690. 

 Boyle's law, i. 571. 

 Brachydodromus, venation, i. 630. 

 Brachypodium, pollination, ii. 142. 

 Brachypodium sylvaticum, arched leaf, i. 

 429. 



venation, i. 634. 



Bracken Fern. See Pteris aquilina. 

 Bract, application of term, i. 641. 



— colour, ii. 183, 187. 



— honey-protection by, ii. 238. 



— nature of, i. 737 



Bract, secretion of honey, ii. 173. 



Bractea. See Bract. 



Bracteoles, accessory in fruit-formation, 11. 



433. 

 Bract-scale, of Abies pectinata, &c., ii. 441, 



721. 

 Bradypus tridactylua, and Trichophilus, ii. 



627. 

 Bramble. See Rubus /ruticosus. 

 Branch, curvature and light, i. 416. 



— direction and light, i. 414. 



— form and position of transpiring, i. 325. 



— long and short, i. 597, 650. 



— nature of, i. 591. 



— of Pinus Pumilio, ii. 722. 

 Branching and iuflorescence, i. 749. 

 Branch -tendrils, morphology, i. 693, 694. 

 Brassica, siliquas, ii. 431. 



Brasaica alba, unequal cotyledons, i. 622. 

 Brassica oleracea, epiphyllous buds, ii. 43. 



root-galls, ii. 521. 



stomata, i. 280. 



wax ou leaves, i. 292. 



Brassica Papa rapacea, root, i. 760. 

 Braun, Alexander, reclassification of Mono 

 chlamydese, ii. 616. 



system of classification, ii. 605. 



Braya alpina, autogamy, ii. 335. 



guides to honey, ii. 248. 



Bread-fruit. See Artocarpiis incisa. 

 Break back, use of term, ii. 570. 

 "Breaking", from roots, ii. 27. 

 Breathing and living, synonymous, 1. 493. 

 Bristle Ferns. See Hymenophyllacece. 

 Bristles, i. 439. 



— barbed structure, i. 440. 



— for retention of salt incmstationa, i. 237. 



— of Aldrovandia leaf, i. 152. 



— of Dionasa leaf, i. 150. 



— stinging, structure and function, i. 441. 

 Briza maxima, seed-dispersal, ii. 864, 

 Briza media, anthocyanin in glumes, i. 522. 



— — pollination, ii. 142. 

 Broad-bean. See Vicia Faba. 

 Brome-grass. See Bromus. 



False. See Brachypodium. 



Bromeliacese, centripetal inflorescences, I 



738. 



— coloured bracts in, ii. 184. 



— distinctive characters, ii. 734. 



— epiphytic, i. 77, 106. 



— furfuraceous appearance, i. 324. 



— geographical distribution, ii. 734. 



— habitat, i. 438. 



— organic remains in cisterns of, i. 242. 

 -- pollen-grains, ii. 102. 



— scarlet flowers in, ii. 196. 



— tropical epiphytic, thick cuticle, i. 309. 



— water-receptacles, i. 156. 



absorptive cells, i. 231. 



Bromeliese, characteristics, ii. 734. 

 Bromine, in marine plants, i. 68. 

 Bromus, and cluster-galls, ii. 547. 

 Brongniart, ii. 603. 



Brood-bodies, and constancy of form, ii. 594, 



hybrids perpetuated by, in Roses, ii. 555, 



importance for propagation, ii. 70. 



in ovule, resemble normal embryos, ii, 



469. 



nature of, ii. 6. 



of Mosses, ii. 702. 



possible origin from ooplaat, ii. 467, 



potential, ii. 46. 



Broom. See Spartium scoparium. 

 Broom-rape. See Orobanche. 

 Broussonetia papyrifera, dicecious, ii. 299. 



ejection of pollen, &c., ii. 137. 



normal and sucker leaves, ii. 515. 



stigma, ii. 251. 



twig, i. 418. 



Brown, on cell, i. 14. 



Brownea coccinea, &c., scarlet flower, ii. 196 

 Brugmanaia, Borneo and Java, flowers, i 

 202. 



— geographical distribution, i. 204. 



— pollen-grain, ii. 98, 102, 



— protection of pollen, ii. 118. 



