384 



INDEX 



Betulaceae, 372 

 BiooUateral bundles, 59 

 BicucuUa, 364 

 Biddulphiaceae, 334 

 Bignonia, 367 

 Biguoniaceae, 367 

 Birches, 372 



Bird-nest Fungi, 228, 345 

 Bixaceae, 363 

 Black Blast, 237 



-dot Fungi, 239, 348 



Knot, 219 



Molds, 189, 335 



Mosses, 251, 349 



Rust, 233 

 Bladder Algae, 192, 336 



-fern, 259 



Kelp, 201 

 Blanc mange, 209 

 Blazing Stars, 376 

 Blue Greens, 164, 330 



Molds, 222 



-stem Grasses, 360 

 Boehmeria, 362 

 Bog Mosses, 252, 351 

 Boletus, 346 

 Bombacaceae, 362 

 Bonnemaisoniaceae, 339 

 Borraginaceae, 366 

 Borrago, 366 

 Bothrodendraoeae, 354 

 Botrychium, 352 

 Botrydiaceae, 336 

 Botrydium, 192, 336 

 Botryoooccus, 332 

 Botrytis, 239, 348 

 Boundary tissue, 46 

 Bouteloua, 359 

 Bovista, 345 

 Brachytheciaceae, 351 

 Brake, 259 



Brand-Fungi, 232, 346 

 Brassica, 303, 364 

 Brassicaceae, 364 

 Breathing pores, 51 

 Breeding of Plants, 115 

 Bremia, 188 

 Bridal Wreath, 307 

 Bristle Mosses, 252, 350 

 Brome Grass, 297 

 Bromeliaceae, 360 



Bromus, 297, 359 

 Brood cells, 247 



Masses, 246, 252, 351 

 Broom-rapes, 321 

 Brown Algae, 199, 336 



Seaweeds, 201 

 Brucine, 150 

 Brunelliaceae, 369 

 Bruniaceae, 369 

 Bryaceae, 252, 350 

 Bryales, 251, 349 

 Bryophyta, 242, 348 

 Bryopsidaceae, 336 

 Bryopsidoideae, 185, 336 

 Bryopsis, 192, 336 

 Bryum, 350 

 Buckeyes, 371 

 Buckthorns, 371 

 Bud, 45 



Budding, 21, 223 

 Buellia, 341 

 Buelliaceae, 341 

 Bulbs, 319 

 Bulrush, 300 

 Bunt, 237 

 Burdock, 325 

 Burmanniaceae, 360 

 Bursa, 364 

 Burseraceae, 363 

 Butomaceae, 357 

 Buttercup, 286, 361 

 Butyl, 142 

 Butyric acid, 140 

 Buxaceae, 371 

 Buxbaumiaceae, 252, 351 



Cabombaoeae, 362 

 Cactaceae, 370 

 Cactales, 370 

 Cactus, 310, 370 

 Cactuses, 370 

 Caesalpinia, 368 

 Caffeine, 149 

 Caladium, 358 

 Calamariaceae, 353 

 Calamariales, 353 

 Calamarineae, 264, 353 

 Calamites, 254, 261, 264, 353 

 Calamophyta, 261, 353 



