280 
Bacrivs, 110 
Bacillus, 109 (fig.) 
Bacteria, 6, 108 
Bacteria of diseases, 110 
Bacterium, 110 
Bacterium, 109 (fig.) 
Balanophoree, 255 
Balanopsee, 255 
Balsam, tissues, 4, 23 (figs.) 
Bananas, 244, 251 
Bark, 240 
Barley, 249 
Basidia, 175 
Basidiomycetes, 175 
Basidiospores, 177 
Bast, 18 
Batidew, 256 
Beans, 278 
Bean, field, 253. 
Bean, Windsor, 251 
Beeches, 255, 276 
Beefwoods, 255 
Beet-crystals, 12 (fig.) 
Begoniacee, 259 
Begonia, tissue, 16 (fig.) 
Begonias, 259 
Bellflowers, 276 
Bellworts, 258 
Berberidaces, 263 
Berberids, 263 
Bicarpellate, 257 
Bignoniacex, 257 
Bignoniads, 257 
Big-tree, 224. 
Big-tree of California, sieve-tube, 
22 (fig.) 
Bindweeds, 257 
Birches, 255, 276 
Birch, lenticel, 54 (fig.) 
Birds’-nest Fungus, 177 
Birthworts, 256 
Bittersweet, embryo, 281 (fig.) 
Bixines, 263 
Blackberries, 278 
Black Blast, 175 
Black Fungi, 168 
Black Knot, 168 
Black Moulds, 124 
Black Rust, 172 
Bladder-fern, 203 
Bladderworts, 257 
INDEX. 
Blights, 155 
Bloodworts, 244 
Bloom, 35 
Blue Moulds, 160 
Bog-mosses, 193 
Borageworts, 257 
Boraginacese, 257 
Botrychium, 205 
Botrychium, 204 (fig. 
Bracts, 62 
- Brake, 203 
Brake-fern, bundle, 47 
Brake, tissue, 17, 24, 48 (figs.) 
Branches of the Vegetable King- 
dom, 98, 99 
Branching, modes of, 65 
Breathing-pores, 37 
Bristles, 63 
Bromeliacese, 244 
Broom rapes, 257 
Bruniaces, 260 
Bryacez, 192 
Bryophyta, 183 
Bryophytes, 183 
Bryum, 192 
Buckwheat, 276 
Buckwheats, 256 
Bud-cups, 184 
Buds, 184 
Bulb axes, 62 
Bundle-sheath, 45 
Bunt, 175 
Burmanniacex, 245 
Burseracee, 261 
Buttercup, study of, 236 
Buttercups, 276 
CABBAGE, 278 
Cactacese, 259° 
Cactuses, 259 
Caffeine, 83 
Calamariex, 199 
Calamites, 199 
California Pitcher-plant, 273 
Calla-lily, 249 
Caltha, flower, 264 (fig.) 
Calycanthacer:, 263 
Calyceracese, 259 
Calyciflorss, 259 
Calycing, 244 
Calyptra, 191 
