INDEX 



415 



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

 167 ; sun- and shade-leaves, 

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



Asterionella, 193 (fig.). 



Astragalus, 39. 



Athyrium filix-fcemina, 289, 291, 



305. 



Atropa belladonna, 61. 



Atropine, 61, 62. 



Attaching organs of, Chloro- 

 phyceoe, 197, 228 ; Cladophora, 

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

 aria, 199 (fig.) ; (Edogonium, 



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

 Ulothrix, 213 (fig.) ; Vaucheria, 



218 (fig.). 



Attractive mechanisms, 58, 149, 



354- 



Aulacomnion androgynum, 277. 



Autumn-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. cedamitis, 267 (fig.) ; 

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

 tilts, 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.), 391 ; 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 (Puccinia graminis), 

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



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

 chemical substances in, 60, 

 61, 62. 



Barley (Hordeum vulgare), 46, 257. 



Barriers to plant-dispersal, 393. 



Bartsia, 144. 



Basal cell (of Angiosperm proem- 

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



Basidiomycetes, 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-), "5, J 44, M5 



(fig.), 147, 371. 

 Bean, protein of, 52 ; root of, 71 



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

 Bear's Foot (Lycopodium clavatum), 



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 (Atropa belladonna), 61. 

 Bending strains, resistance to, 33, 



87, 115, 172. 

 Bennettitales, 407. 

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

 Bergamot oil, 62 ; orange (Citrus 



aurantium, var. bergamia), 62. 

 Beta, 133. 



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

 Betulin, 137. 



Bicollateral bundles, 81 (fig.), 82. 

 Bilberry (Vaccinium myrtillus), 



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



167, 168 (fig.). 

 Biologic strains of, Bacteria, 268 ; 



Erysiphaceae, 253 ; Uredineae, 



248, 253. 

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



of, I 37, J 39, I 4 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 (JEgopodium poda- 

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



Bismarck brown, 405 ; and cell- 

 walls, 32. 



Bitter Almond (Prunus amvgdalus), 

 48. 



Black Bindweed (Polygonum con- 

 volvulus), 113 (fig.), 148; 

 Bryony (Tamus communis), 



