280 



mDEX. 



Bacillus, 110 



Bacilhis, 109 (fig.) 



Bacteria, 6, 108 



Bacteria of diseases, 110 



Bacterium, 110 



Bacteriam, 109 (flg.) 



Balaaophoreas, 855 



Balanopstse, 355 



Balsam, tissues, 4, 23 (figs.) 



Bauanas, 244, 351 



Bark, 240 



Barley, 349 



Basidia, 175 



Basidiomycetes, 175 



Baslfiiospores, 1?V 



Bast, 18 



Batideae, 256 



Beans, 378 



Bean, field, 253 



Bean, Windsor, 351 



Beeclies, 355, 376 



Beefwoods, 255 



Beet-crystals. 13 (fig.) 



Begoniacese, 359 



Begonia, tissue, 16 (flg.) 



Begonias, 359 



Bellflowers, 276 



Bellworts, 358 



Berberidacese, 363 



Berberidb, 363 



Bicarpellatse, 357 



Bignoniacese, 357 



Bignoniads, 357 



Big-tree, 334 



Big-tree of California, sieve- tube, 



33 (fig.) 

 Bindweeds, 357 

 Birclies, 355, 376 

 Birch, lenticel, 54 (fig.) 

 Birds'-nest Fungus, 177 

 Birthworts, 256 

 Bittersweet, embryo, 331 (flg.) 

 Bixinese, 363 

 BlatiiDernes, 378 

 Black Ciast, 175 

 Black Fungi, 163 

 Black Knot, 163 

 Black Moulds, 13* 

 Black Ru3t, 173 

 Bladder-fern, 203 

 Bladderworts, 357 



Bliglits, 155 

 Bloodworts, 244 

 Bloom, 35 

 Blue Moulds, 160 

 Bog-mosses, 193 

 Borageworts, 357 

 Boraginaceae, 3.57 

 Botrychium, 305 

 Botrycliium, 204 (flg. 

 Bi'acls, 62 

 Brake, 203 



Brake-fern, bundle, 47 

 Brake, tissue, 17, 34, 48 (figs.) 

 Branches of the Vegetable King- 

 dom, 98, 99 

 Branching, modes of, 65 

 Breathinii-pores, 37 

 Bristle.", 63 

 Bromeliaceae, 344 

 Broom rapes, 257 

 Bruniacese, 260 

 BryacesB, 193 

 Bryophyla, 183 

 Bryophytes, 183 

 Bryum, 193 

 Buckwheat, 276 

 Buckwheats, 253 

 Bud-cuns, 184 

 Buds, 184 

 Bulb axes, 63 

 Bundle-sheath, 45 

 Bunt, 175 



Burmanniaceae, 245 

 Burseracese, 261 

 Buttercup, study of, 236 

 Buttercups, 276 



Cabbage, 278 



Cactacese, 359 



Cactuses, 359 



Caffeine, 83 



Calamariese, 199 



Calamites, 199 



California Pitcher-plant, 373 



Calla-lily, 349 



Caltha, flower, 264 (flg.) 



Calycanthacese, 363 



Calyceracese, 259 



Calyciflorse, 359 



Calycinae, 244 



Galyptra, 191 



