m2 



INDEX. 



Bamboo. See Bambusa. 



— type of culm. i. 714. 

 Bamboo-forest, ii. 890. 

 Bambusa, 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. L 294. 



— reserve-buds, ii. 32. 



— venation, L 633- 



Bamhusa nigra, mecbaoical tissue arrange- 

 ment, i. 731. 

 Banana, germination, t 604. 



— leaves of, structure in relation to transpi- 



ration, i. 288. 



— sheltering of pollen, iL lOS. 



— venation, t 634. 



Bangia, where thrives best, i. 105. 

 BanJsteria, fruit, iL 428. 



— pollen- grains, ii. 99. 



Banisteha Slnemariensis, seed-dispersal, ii. 



853. 

 Banksia, follicles, ii. 430. 



— vertical leaf-blades, i. 336. 



Banksia ericifolia, inflorescence and fruiting 



spike, ii. 751. 

 Banksia ericoides, style and stigma, ii. 752. 

 Banksia littoralis, single flower, ii. 751. 



style and stigma, iL 752. 



Banksia serrata, fruiting branch, ii. 429. 

 Banj'an-tree. See Ficus Indica. 

 Baobab. See Adansonia. 

 Baptisia australis, colour-contrast of flower, 



ii. 190. 

 Barbanea vulgaris, and galls of Cecidomyia 



Sisymbrii, ii. 545. 

 Barbed bristles, Opuutia buds, L 446. 



— frails, ii. 870. 

 Barbs, L 439. 

 Barbula, absorptive felt, L 86. 



— folding of leaf, i. 346. 



— phyllotasis, i. 40S. 



— transpiring cells, L 278. 



Barbula aloides. absorptive mechanism of 

 leaf, i. 218. 



assimilating plates, ii. 702. 



plates of cells, ii. 697. 



Barbula ambigua, absorptive mechanism of 



leaf. L 218. 

 Barbula fiagilis, propagation &om leaves, ii. 



453. 

 Barbula muralis, collection of dust, L 266, 

 Barbula recurvifoUa, parthenogenesis, ii. 464. 

 Barbularigida, absorptive mechanism of leaf, 



i. 218. 

 Bardfield Oilip. See Primula elatior. 

 Bark, application of term, L 719. 



— as nutrient substratum, i. 106. 



— kind of, affected by Aroids and Orchids. 



i. 108. 



— protection by, L 476. 



— sorts of, L 719. 



Barley. See Hordeum vulgare. 

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

 Barriers to seed-dispersal, L 879. 

 Bartsch. naturalist, &c., i. 139. 

 Bartsia, i. 180. 



— absorbent cells, L 766. 



— capturing apparatus, i. 137 



— distribution, appearance, habitat, &c., L 



139. 



— hibernation, i. 140. 



— nectary, ii. 174. 



— parasitic, i. 176. 



— pollination, ii. 129. 



— sticky stigmas, ii. 282. 



— venation, L 631. 



Bartsia alpina, absorptive cells and food- 

 absorption, L 114. 



anthocyanin, i. 522. 



arctic perennial member of Rhinan- 



thacese, suckers; half-parasitic, half- 

 sapropbytic, &c.. L 180. 



geitonogamy. ii. 331. 



pollen-sprinkling, ii. 272. 



threefold mode of food-absorption, L 



138. 



Basella alba, pollen-grains, iL 99. 



Basidia, of .^cidia. iL 22. 



— of Agaricus, ii. 684. 



— of Amanita, ii. 21. 



— of Hymenomycetes, ii. 683. 



Basidial layer of Amanita pballoides, iL 685- 

 BasidioUchenes, geographical distribution 



and characters, ii. 695. 

 Basidiomycetes, L 159; iL 21. 606. 



— basidia. iL 20. 



— certain, on Populus, i. 256. 



— characteristics, ii. 6S4, 



— fermentation, i. 505, 508. 



— suppression of teleutospore in most, iL 



680. 



— various, ii. 685. 



Basidiospore, of Hymenomycetes, iL 638. 

 Basidiosporeje, iL 606. 

 Basidium, nature of, ii. 20. 



— of Hemibasidii, iL 675. 

 Basil. See Ocymum. 



Basins, water-collecting, position, L 240. 

 Bast, i. 208. 



— bard, function, i. 469. 



in Scoparium, L 331. 



in switch-plants, i. 426. 



— soft, constituents, i. 4G9. 

 Bastard Palm. See J/t I u t is. 

 Bust-cells, functions, i. 463. 

 Bast-islands, L 477. 



Bast parenchyma, L 469. 



Bast-tube, L 469. 



Bast-vessel, L 469- 



Batrachium, section of Ranunculus, iL 505. 



Batrachospermmn, epiphytic, L 16L 



— structure, L 590. 



Bauhiu, Historia plantarum, ii. 1. 

 Bauhinia, movements of cotyledons, i. 532. 

 Bauhinia anguina, ribbon-shaped stem, i. 



734. 

 Bauhinia armata, pollen-grain, iL 100. 

 Bauhinia furcata, pollen-grain, iL 100. 

 Bay Laurel See Laums nobilis. 

 Bean, French. See Phaseoltts vulgaris. 



— starch, i. 459. 



Bearberry. evergreen. See Arctostaphylos 



Uva^ Ursi. 

 Bedeguar, and Rhodites Rosae. ii. 552. 



— gall of Rose-gall Wasp, ii. 537. 

 Bed-straw. See Galium. 



Bee, colour preference, ii. 195. 



— parthenogenesis, ii. 4&4. 



— jjollen-coUector, iL 167. 

 Beech. See Fagus. 



Beech, American. See Fagus ferru-jinea. 

 Beech-gall Gnat. See Hormomyia /agi, 

 Bees'-wax, scent, iL 202. 

 Beetles and indoloid scents, ii. 207. 



— sheltering in Compositie, iL 163. 

 Beet>-root. See Beta. 

 Beggiatoa, movement of, L 40. 

 Beggiatoa alba, reduction of sulphates, ii. 624. 

 Beggiatoa roseo-persicina, "peach-mud", iL 



623. 

 Beggiatoa versatilis, habitat, sc, L 105. 

 Begonia, anthocyanin, i. 520. 



— arrangement of stomata, L 286. 



— buds on leaves, ii. 41. 



— hybrids, autogamous propagation, iL 579. 



— root-forming leaves, i. 772. 



— roots from leaf -cutting, L 83. 



— ternary hybridization, ii. 560. 

 Begonia Dregei, leaf-mosaic, i. 420. 

 Begonia fuchsioides, scarlet flower, ii. 196. 

 BegouiacecB, on trees, L 106. 



— saprophytic on steep rocks, i. 108. 

 Belladonna Lily. ^&e Amaryllis BelUi^Umna, 

 Bell-flower. See Campanula. 

 Bellidiastrum, autogamy, ii. 359. 



— flowers after pollination, ii. 286. 



— hermaphrodite and pistillate flowers, iL 



296. 

 Bellidiastrum Michelii, dichogamy, ii. 312. 

 Bellis, opening of flowers and growth, iL 220. 



— protection of pollen. iL 120, 127. 



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

 Beloperoue involucrata. scarlet flower, iL 196. 



Beob-grass. See Agrostia. 



Northern. See Elymua mollis. 



Bentham and Hooker, Genera Plantarum, 



iL 604. 

 Benzoloid scent. iL 199. 

 Berberidace^, anthocyanin, in adventitious 



buds, L 434. 



— dehiscence of i)ollen-sacs, iL 93. 



— protogynous. ii. 312. 



Berberis and Puccinia graminis, iL 686. 



— dehiscence of iwlleu-sacs, iL 93. 



— extirpation by law. ii. 687. 



— irritable stamens, ii. 263. 



— nectaries, ii. 2t>4. 



— phyllotaiis. i. 400. 



— protection of poUeu, iL 119. 



— radical shoots, ii. 27. 



— scent, iL 200. 



— spines, L 448. 



— transference of pollen, ii. 264. 



— venation. L 630. 



— weaving stem, i. 672. 



Berberis vulgaris and ..Ecidium MageUue- 

 nicum, ii. 527. 



berry, ii. 427. 



dates of flowering. L 519. 



spines, L 449. 



thermal constants, i. 559. 



Bergamot Orange, reputed hybrid, ii. 569. 

 Bergenia crassifolia, elevation and coloiu- 



tion, ii. 511. 

 Berries shrivelling through loss of water, i. 



216. 

 Berry, nature of, iL 427. 



— of Mistletoe, germination experiment, L 



205. 

 Beta, germination constant, L 558. 



— grooved leaf-stalk. L 95. 

 Betel Pepper. See Piptr Bale. 

 Betula, amount of pollen, iL 151. 



— avoided by Mistletoe, L 205. 



— chalazogamic fertilization. iL 412. 



— flowering. iL 150. 



— foliage-leaves, i. 92. 



— from chalk, ii. 613. 



— pollen storing and dispersion, ii. 148i. 



— pollination, ii. 133. 



— protection of pollen, iL 119. 



— protogynous, ii. 313. 



— storage of pollen, Li. 94. 



— thin places of pollen-grain, iL 102. 

 Betula alba, i. 721. 



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



bark. L 720. 



catkins, ii. 759. 



mite-galls, ii. 529. 



similarity to young B. verrucosa, ii. 514. 



Betula alpestris, hybrid, ii. 5S6. 



Betula carpatica, mite-galls, ii. 529. 



Betula nigra, i. 488. 



Betula papyracea, i. 488. 



Betula verrucosa, and Exoascus tni^dus, 



ii. 527. 

 difference between young and old 



plants, ii. 514. 



normal and sucker leaves, ii. 515. 



seed-dispersal. iL 853. 



Betulacese, chalazogamic fertilization in, iL 



412. 

 Beverages, alcoholic, i. 507. 

 Bhotan Pine. See Pinus txctUa. 

 Bidens bipinnata, hooked fruit, iL 871. 

 Bidens cemua, and flooding by rivers, ii. 500. 

 Biennial plant, nature of, i. 658. 



— plants, light and growth, experiments, iL 



503. 



— — of Mediterranean, peculiarity, L 319. 

 Bignonia, clinging roots, L 7M. 



— seed-dispersaL ii. 852. 



Bignonia argyro - violacesa, peculiarity of 

 climbing, i. 706. 



Rio Negro, L 709. 



Bignonia capreolaca, tendrils, L 699. 

 Bignonia unguis, i. 706. 

 Bignonia venusta, hooked tendrils, L 698 

 Bignoniace%. ii. 771. 



— climbing roots, i. 702. 



