INDEX 



415 



285';(fig.) ; stems, 88, 162 (fig.), 



167 ; sun- and shade-leaves, 



168 (fig.), 169 (fig.). 

 Asterionella, 193 (fig.). 

 Astragalus, 39. 



Alhyrium filix-fosmina, 289, 291, 



305- 



Alropa belladonna, 61. 



Atropine, 61, 62. 



Attaching organs of, Chloro- 

 phycex, 197, 228 ; Cladophora, 

 196 (fig.) ; Fucus, 200 ; Lamin- 

 aria, 199 (fig.) ; CEdogonium, 



217 (fig.) ; Pelveiia, 203 (fig.) ; 

 Ulothrix, 213 (fig.) ; Vaucheria, 



218 (fig.). 



Attractive mechanisms, 58, 149, 



354- 

 Aulacommon androgynmn, 277. 

 Autunin-wood of Conifers, 340, 



341 (fig.) ; of Dicotyledons, 119 



(fig.), 122, 123 (fig,), 125. 

 Axile placentation, 356. 

 Axillary buds, vascular supply of, 



114. 

 Azotobacter, 266, 267 (fig.). 



Bacillarieae, 206, 207 (fig.), 406. 



Bacillus, 262, 267 (fig.) ; B. amylo- 

 bacter, 263 ; B. anthracis, 263 

 (fig.) ; B. carotovorus, 265 ; 

 B. osdamitis, 267 (fig.) ; 

 B. radicicola, 267 (fig.) ; B. siib- 

 iilis, 263 ; B. tetani, 263 (fig.), 

 264, 267 (fig.) ; B. typhosus, 

 263 (fig.). 



Bacteria, 61, 252, 261-8 (figs.), 

 406 ; cultures of, 264 ; phy- 

 siology of, 261, 263, 264-7 ; 

 reproduction of, 262, 263, 267 

 (fig-)' 39^ ' structure of, 262, 

 263 (fig.). 



Bacterium, 262 ; B. aceticum, 265 ; 

 B. denitrificans, 266. 



Balanced solutions, 15, 



Bamboo (Bambusa), 88. 



Barberry (Berberis vulgaris), cork 

 and lenticels of, 137, 139 (fig.) ; 

 rust of (Pucciiiia graminis), 

 246 (fig), 247 ; stamens of, 363. 



Bark, 119 (fig.), 120, 140, 141; 

 chemical substances in, 60, 

 61, 62. 



Barley (Hordeum viilgare). 46, 257. 



Barriers to plant-dispersal, 393. 



Bartsia, 144. 



Basal cell (of Angiosperm proem- 

 bryo), 368, 369 (fig.), 371 (fig.). 



Basidiomycctcs, 231, 240, 245-51 



(figs.), 252, 255, 407. 

 Basidiospores, 246 (fig.), 247, 249 



(fig.). 



Basidium, 249 (fig.). 



Bast, 28, 34, 65. See Phloem 



Bay Laurel (Laurus nobilis), 151. 



Bean, Broad (Vicia faba), 53, 148; 

 Runner — - (Phaseolus multi- 

 florus),93. 94 (fig.), 115, 144, 145 



(fig.). 147. 371. 

 Bean, protein of, 52 ; root of, 71 



(fig.), 72 ; starch of, 42. 

 Bear's Foot (Lycopodium clavatiim), 



314. 



Bedstraw (Galium), 98. 



Beech {Fagus sylvatica), 72, 129, 

 140, 170, 365, 367, 391 ; cut- 

 leaved — ,382, 383 (fig.) ; wood 

 of, 121, 122, 126. 



Beer, 256. 



Beetroot (Beta), chemical substances 

 in, 31, 45, 50, 63 ; secondary 

 thickening of, 133. 



Beet-sugar, 45. 



Beggiatoa, 268. 



Belladonna (Airopa belladonna), 61. 



Bending strains, resistance to, 33, 

 87, 115, 172. 



Bennettitales, 407. 



Berberis. 137, 139 (fig.), 247, 363. 



Bergamot oil, 62 ; — orange (Citrus 

 auraiHium, var. bergamia), 62. 



Beta, 133. 



Betula, 72, 122, 129, 137, 139, 141. 



Betulin, 137. 



BicoUateral bundles, 81 (fig.), 82. 



Bilberry (Vaccinium myrtillus), 

 pollen of, 362 (fig.) ; stem of, 

 167, 168 (fig.). 



Biolo,gic strains of. Bacteria, 268 ; 

 Erysiphacese, 253 ; Uredineje, 

 248, 253. 



Birch (Betula), 72, 129, 391 ; bark 

 of. 137. 139. 141 I wood of , 122. 



Bird's-Nest Orchid (Neottia nidus- 

 avis), 179 ; mycorrhiza of, 72, 

 73 (fig.) ; pollen of, 361, 362 



(fig.). 



Bishop's-weed (/Fgopodium poda- 

 graria), petiole of, 113 (fig.). 



Bismarck brown, 405 ; and cell- 

 walls, 32. 



Bitter Almond (Prunus amvgdahts) , 

 48. 



Black Bindweed (Polygonum con- 

 volvulus), 113 (fig.), 148; 

 — Bryony (Tamus communis) , 



