INDEX 



68s 



Azolla — Cont. 

 filiculoides, 405, 410; Figs. 235, 

 236, 237, 239, 240, 241, 242 



Barbula fallax, Fig. 119 



ungmculata, 623 

 Bast fibres, 464 

 Bazzania, 119 

 Begonia, 574 

 Bellincinioideae, 119 

 Blasia, 9, 12, 14, 72, 74, 99, 158 

 gemmae, 100 

 pusilla, go ; Fig. 41 

 Blepharoplast, 51, 52, 279, 316, 421, 



422, 449, 608, 609, 625 

 Blepharoplastoid, 421 

 Blyttia, 618 — (see also Pallavicinia) 

 Blyttiaceae, 615, 618 

 Boschia, 42, 59, 60, 611, 614 

 Botrychium, 233, 235, 237, 238, 

 24s, 249, 258, 272, 273, 

 277, 284, 28s, 293, 29s, 

 300, 303, 346, 3S9< 364, 

 36s, 440. 554, 561, 564, 

 S8o, 582, 583, 602, 626, 

 628, 629, 634, 643 

 antheridium, 240 

 apical growth of stem, 262 

 archegonium, 240 

 cotyledon, 243, 244 

 development of first root, 244 

 embryo, 242, 243, 628 

 gametophyte, 239, 626 

 leaf, 264 

 root, 259, 266 

 secondary thickening, 262 

 sex-organs, 239 

 sieve-tubes, 266 

 spermatozoids, 240 

 sporangiophore, 259 

 sporangiima, 268, 269 

 tracheids in prothaUium, 243 

 vascular bundle of stem, 244 

 vascular bundles, 261, 265 

 venation of leaf, 259 



Botrichium — ■ Cont. 



limaria, 238, 245, 264, 267, 268, 



269, 580, 626; Fig. 141 

 obhquum, 628 

 rutEefolium, 262, 270 

 simplex, 258, 259, 261, 266, 268; 



Fig. 141 

 ternatum, 261, 264, 266, 267, 268; 



Fig. 141 

 Virginianum, 234, 259, 261, 262, 

 267, 268, 269, 271, 300, 302, 

 304, 308, 366, 602, 626; 

 Figs. 126, 127, 128, 129, 130, 

 141, 142, 144, 145, 146, 147, 

 148 

 Bowmanites, 587 

 Branching, 



Acrogynas, 14, 117, 619 

 Lycopodium, 494 

 PoreUa, 101 

 prothaUiimi, 374 

 root, 499 

 stem, 497 

 Brown Algae, 607, 608 

 Bryales, 70, 161, 165, 166, 181, 182, 

 183, 185, 188, 213, 216, 220, 

 226, 228, 30s, 594, 595, 600, 

 622, 623 

 apical growth, 190 

 branching, 193, 194 

 classification, 214 

 gametophyte, 188 

 germination of spores, 188 

 peristome, 220 

 stem-structure, 194 

 Bryinese, 184, 185, 186, 191, 205 

 BryophyUum, 574 



Bryophytes, i, 3, 4, 5, 8, 121, 229, 

 230, 257, 301, 321, 490, 563,- 

 566, 572, 575 

 effect of drought, 571 

 gametophyte, 533 

 relation to Pteridophytes, 574 

 Bryoziphion, 217 

 Bryum argenteum, 623 



