INDEX 



301 



Auxospores (of Diatoms) , 65. 



Awn, 243, 283, Fig. 54. 



Azalea, 213, 214; A. viscosa, 213, 



Fig. 52. 

 Azolla, 280. 



B 



Bacillus, 35; B. typhi, 35, Fig. 5; 



B. tetani, 35, Fig. 5. 

 Bacteria (see also " Schizomy- 



cetes "), 3, 8, 17, 18, 34, 35, 36, 37, 



38, 45, 46, 96, 242, 258, 284. 

 Bald cypress ( Taxodium distichum) , 



168, 227. 

 Bamboo, 188. 



Banana, B. family, 192, 193, 240. 

 Bangiaceae, 71. 

 Barberry, 88, 90, 252. 

 Barbs (of fruits and seeds), 243. 

 Basidiomycetes, 90, 93, 94, 95, 96, 97, 



98, 99, 100, Fig. 25. 

 Basidium, 93, 94, Fig. 25. 

 Bast (see also " Phloem "), 124. 

 Batrachospermum, 74, Fig. 20. 

 Bay-tree (Umbellularia) , 240. 

 Bean, 212, 283. 

 Beech, 237, 238. 

 Bees, 249, 252, 254. 

 Beggar 's-ticks (Echinospermum) , 



243. 



Beggiatoa, 35, Fig. 5. 

 Bignonia, 214. 

 Biology, 11. 

 Birch, 207, 228, 230. 

 Birds, 243, 249. 

 Bird's-nest fungus (Cyathus), 94, 



Fig. 25. 



Bitter-sweet (Celastrus), 237. 

 Black-fungi (see also "Pyrenomy- 



cetes"),87, 93. 

 Black knot (Plowrightia morbosa), 



93. 

 Black-mould (see also " Mucor, 



Mucorini "), 85, 86, Fig. 22. 

 Bladder-kelp (see also " Macrocys- 



tis," " Nereocystis "), 68. 

 Bladder-weed (see also " Utricu- 



laria"), 108, 204, 258, 259, Fig. 58. 



Blasia, 106, 279, Fig. 27. 

 Blood-root (Sanguinaria), 200. 

 Blue-green Algae (see " Cyanophy- 



ceae," " Schizophyceae ") . 

 Blue-gum (see "Eucalyptus"). 

 Blue-mould (Penicillium), 92. 

 Borraginacese, 243, 295. 

 Botany, a department of Biology, 



11. 

 Botrychium, 133, 134; B. simplex, 



134; B. Virginianum, 133, 134, 



Fig. 34. 



Bract, 185, 193, 195, 246, 247, 248. 

 Brake (Pteris aquilina), 136. 

 Bramble, 232, 240. 

 Breadfruit, 240. 



Bromeliaceas, 194, 198, 231, 276. 

 Broom (Sarothamnus) , 250, 252, 



Fig. 56. 

 Brown Algae (see also " Phaeophy- 



ceae "), 27, 49, 63, 64, 71, 73, 76, 78, 



79, 263, 288, 295. 

 Brown Flagellates (Dinoflagellata) , 



64, 76, 288. 

 Bryineae, 115. 

 Bryophyta, Bryophytes (see also 



" Mosses "), 16, 101, 113, 118, 122, 



128, 130, 131, 153, 223, 273, 287, 289, 



290, Figs. 27, 28, 29, 30, 31. 

 Buckwheat family (Polygonaceae) , 



208. 

 Buds (see also " Gemmae "), 102, 126, 



270, 281. 

 Budding in animals and plants, 



25. 



Bulb, 189, 192, 201, 273, 282. 

 Bumblebees, 247, 251. 

 Bur-clover (Medicago denticulata) , 



241, 243, Fig. 54. 

 Burdock, 216, 243. 

 Bur-marigold (Bidens), 241. 

 Bur-reed (Sparganium) , 186, 198. 

 Burs, 243. 

 Buttercup (Ranunculus), 207, 208, 



246, 247, Figs. 50, 59. 

 Buttercup family (Ranunculaceae), 



186, 207, 208, 232, 247. 

 Butterflies, 247, 249, 255. 

 Butterwort (Pinguicula) , 259. 



