932 



See Bambnsa. 



— type of culm, i. 714. 

 Bamboo-forest, ii. 890. 

 Barabusa, habit of growth, ii. 746. 



— in Java, i. 713. 



— leaf, vertical sections, i. 296. 



— peg-shaped projections of cuticle, i. 310. 



— protection of stomata from moisture, i. 294. 



— reserve-buds, ii. 32. 



— venation, i. 633. 



Bambusa nigra, mechanical tissue arrange- 

 ment, i. 731. 

 Banana, germination, i. 604. 



— leaves of, structure in relation to transpi- 



ration, i. 28S. 



— sheltering of pollen, ii. 108. 



— venation, i. 634. 



Bangia, wliere thrives best, i. 105. 

 Banisteria, fruit, u. 428. 



— pollen-grains, ii. 99. 



Banisteria Sinemariensis, seed-dispersal, ii. 



853. 

 Banksia, foUicles, ii. 430. 



— vertical leaf-blades, i. 336. 



Banlisia ericifolia, inflorescence and fruiting 



spike, u. 751. 

 Banksia ericoides, style and stigma, ii. 752. 

 Banksia littoralis, single flower, ii. 751. 



style and stigma, Ii. 752. 



Banksia serrata, fruiting branch, ii. 429. 

 Banyan-tree. See Ficus Indica. 

 Baobab. See Adansonia. 

 Baptisia australis, colour-contrast of flower, 



ii. 190. 

 Barbarica vulgaris, and galls of Cecidomyia 



Sisyrabrii, ii. 545. 

 Barbed bristles, Opuntia buds, i. 446. 



— fruits, ii. 870. 

 Barbs, i. 439. 



Barbula, absorptive felt, i. 86. 



— folding of leaf, i. 346. 



— phyllotaxis, i. 40S. 



— transpiring cells, i. 278. 



Barbula aloides, absorptive mechanism of 



leaf, i. 218. 



assimilating plates, ii. 702. 



plates of cells, ii. 697. 



Barbula ambigua, absorptive mechanism of 



leaf, i. 218. 

 Barbula fragilis, propagation from leaves, ii. 



458. 

 Barbula muralis, collection of dust, i. 266. 

 Barbula recurvifolia, parthenogenesis, ii. 464. 

 Barbula rigida, absorptive mechanism of leaf, 



i. 218. 

 Bardfield Oxlip. See Primula elatior. 

 Bark, application of term, i. 719. 



— as nutrient substratum, i. 106. 



— kind of, affected by Aroids and Orchids, 



i. 108. 



— protection by, i. 476. 



— sorts of, i. 719. 



Barley. See Hordeum vulgare. 

 Barley-corns, germinating, heat of, i. 497. 

 Barriers to seed-dispersal, i. 879. 

 Bartsch, naturalist, &o., i. 139. 

 Bartsia, i. 180. 



— absorbent cells, i. 766. 



— capturing apparatus, i. 137. 



— distribution, appearance, habitat, &o., i. 



139. 



— hibernation, i. 140. 



— nectary, ii. 174. 



— parasitic, i. 176. 



— pollination, ii. 129. 



— sticky stigmas, ii. 282. 



— venation, i. 631. 



Bartsia alpina, absorptive cells and food- 

 absorption, i. 114. 



anthocyanin, i. 522. 



arctic perennial member of Rhinan- 



thacese, suckers; half-parasitic, half- 

 saprophytic, &c., i. 180. 



geitonogamy, ii. 331. 



poUen-sprinkMng, ii. 272. 



threefold mode of food-absorption, i. 



138. 



Basella alba, pollen-grains, ii. 99. 

 Basidia, of .(Ecidia, ii. 22. 



— of Agarious, ii. 684. 



— of Amanita, ii. 21. 



— of Hymenomycetes, ii. 688. 



Basidial layer of Amanita phalloides, ii. 685. 

 Basidiolichenes, geographical distribution 



and characters, ii. 695. 

 Basidiomycetes, i. 159 ; ii. 21, 606. 



— basidia, ii. 20. 



— certain, on Populus, i. 256. 



— characteristics, ii. 684. 



— fermentation, i. 505, 508. 



— suppression of teleutospore in most, ii. 



680. 



— various, ii. 685. 



Basidiospore, of Hymenomycetes, ii. 688. 

 BasidiosporesB, ii. 606. 

 Basidium, nature of, ii. 20. 



— of Hemibasidii, ii. 675. 

 Basil. See Ocymum. 



Basins, water-collecting, position, i. 240. 

 Bast, i. 208. 



— hard, function, i. 469. 



in Scoparium, i. 331. 



in switch-plants, i. 426. 



— soft, constituents, i. 469. 

 Bastard Palm. See MdilHs. 

 Bast-cells, functions, i. 468. 

 Bast-islands, i. 477. 



Bast parenchyma, i. 469. 



Bast-tube, i. 469. 



Bast-vessel, i. 469. 



Batrachium, section of Ranunculus, ii. 505. 



Batrachospermum, epiphytic, i. 161. 



— structure, i. 50O. 



Bauhin, Historia plantarum, ii. 1. 

 Bauhinia, movements of cotyledons, i. 532. 

 Bauhinia anguina, ribbon-shaped stem, i. 



734. 

 Bauhinia armata, pollen-grain, ii. 100. 

 Bauhinia furcata, pollen-grain, ii. 100. 

 Bay Laurel. See Laurns nobilis. 

 Bean, French. See Phaseolus vulgaris. 



— starch, i. 459. 



Bearberry, evergreen. See Arctostaphylos 



Uva-Ursi. 

 Bedeguar, and Rhodites Rosa;, ii. 552. 



— gall of Rose-gall Wasp, ii. 537. 

 Bed-straw. See Galimii. 



Bee, colour preference, ii. 195. 



— parthenogenesis, ii. 464. 



— poUen-coUector, ii. 167. 

 Beech. See Fagus. 



Beech, American. See Farjus ferruginea. 

 Beech-gall Gnat. See Hormomijia fagi. 

 Bees'-wax, scent, ii. 202. 

 Beetles and indoloid scents, ii. 207. 



— sheltering in Compositae, ii. 163. 

 Beet-root. See Bita. 

 Beggiatoa, movement of, i. 40. 

 Beggiatoa alba, reduction of sulphates, ii. 624. 

 Beggiatoa roseo-persicina, "peach-mud", ii. 



623. 

 Beggiatoa versatilis, habitat, &c., i. 105. 

 Begonia, anthocyanin, i. 520. 



— arrangement of stomata, i. 280. 



— buds on leaves, ii. 41. 



— hybrids, autogamous propagation, ii. 579. 



— root-forming leaves, i. 772. 



— roots from leaf -cutting, i. 88. 



— ternary hybridization, ii, 560. 

 Begonia Dregei, leaf-mosaic, i. 420. 

 Begonia fuchsioides, scarlet flower, ii. 196. 

 BegoniacesJB, on trees, i. 106. 



— saprophytic, on steep rocks, i. 108. 

 Belladonna Lily. See Amaryllis Belladonna. 

 Bell-flower. See Campanula. 

 Bellidiastrum, autogamy, ii. 359. 



— flowers after pollination, ii. 286. 



— hermaphrodite and pistillate flowers, ii. 



296. 

 Bellidiastrum Michehi, dichogamy, ii. 312. 

 Bellis, opening of flowers and growth, ii. 220. 



— protection of pollen, ii. 120, 127. 



Bellis perennis, anthocyanin, i. 523; ii. 220. 

 Beloperone involucrata, scarlet flower, ii. 196. 



Bent-grass. See Agrostis. 



Northern. See Elymus mollis. 



Bentham and Hooker, Genera Plantarum, 



ii. 604. 

 Benzoloid scent, ii. 199. 

 Berberidaceae, anthocyanin, in adventitious 



buds, i. 484. 



— dehiscence of pollen-sacs, ii. 93. 



— protogynous, ii. 312. 

 Berberis and Puccinia graminis, ii. 686. 



— dehiscence of poUeu-sacs. ii. 93. 



— extirpation by law, ii. 687. 



— irritable stamens, ii. 203. 



— nectaries, ii. 264. 



— phyllotaxis, i. 400. 



— protection of pollen, ii. 119. 



— radical shoots, ii. 27. 



— scent, ii. 200. 



— spines, i. 448. 



— transference of pollen, ii. 264. 



— venation, i. 630. 



— weaving stem, i. 672. 

 Berberis vulgaris and ^cidium Magelhse- 



nicum, ii. 527. 



berry, ii. 427. 



dates of flowering, i. 519. 



spines, i. 449. 



thermal constants, i. 559. 



Bergamot Orange, reputed hybrid, ii. 569. 

 Bergenia crassifolia, elevation and colora^ 



tion, ii. 511. 

 Berries shrivelling through loss of water, i. 



216. 

 Berry, nature of, ii. 427. 



— of Mistletoe, germination experiment, l 



205. 

 Beta, germination constant, i. 558. 



— grooved leaf-stalk, i. 95. 

 Betel Pepper. See Piper Belle. 

 Betula, amount of pollen, ii. 151. 



— avoided by Mistletoe, i. 205. 



— chalazogamic fertilization, ii. 412. 



— flowering, ii. 150. 



— foliage-leaves, i. 92. 



— from chalk, ii. 613. 



— pollen storing and dispersion, ii. 148. 



— pollination, ii. 133. 



— protection of pollen, ii. 119. 



— protogynous, ii. 313. 



— storage of pollen, ii. 94. 



— thin places of pollen-grain, ii. 102. 

 Betula alba, i. 721. 



and B. nana, hybrid of, ii. 586. 



bark, i. 720. 



catkins, ii. 759. 



mite-galls, ii. 529. 



— — similarity to young B. verrucosa, ii. 514. 

 Betula alpestris, hybrid, ii. 586. 

 Betula carpatica, mite-galls, ii. 529. 

 Betula nigra, i. 488. 

 Betula papyracea, i. 488. 

 Betula verrucosa, and Exoascus turgidus, 



ii. 527. 



difference between young and old 



plants, ii. 514. 



normal and sucker leaves, ii. 515. 



seed-dispersal, ii. 853. 



Betulacese, chalazogamic fertilization in, ii. 



412. 

 Beverages, alcoholic, i. 507. 

 Bhotan Pine. See Pinus excelsa. 

 Bidens bipinnata, hooked fruit, ii. 871. 

 Bidens'cernua, and flooding by rivers, ii. 500. ', 

 Biennial plant, nature of, i. 658. I 



— plants, hght and growth, experiments, iL 



of Mediterranean, peculiarity, i. 319. 



Bignonia, clinging roots, i. 754. 



— seed-dispersal, ii. 852. ' 

 Bignonia argyro - violacese, peculiarity of I 



climbing, i. 706. 



Rio Negro, i. 709. 



Bignonia capreolata, tendrils, i. 699. 

 Bignonia unguis, i. 706. 

 Bignonia venusta, hooked tendrils, i. 698 

 Bignoniaceae, ii. 771. 



— climbing roots, i. 702. 



