INDEX 



685 



Azolla — Cont. 



filiculoides, 405, 410; Figs. 235, 

 236, 237, 239, 240, 241, 242 



Barbula fallax, Fig. 119 

 unguiculata, 623 



Bast fibres, 464 



Bazzania, 119 



Begonia, 574 



Bellincinioideae, 119 



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

 gemmae, 100 

 pusilla, 90; 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, 

 245, 249, 258, 272, 273, 

 277, 284, 285, 293, 295, 

 300, 303, 346, 359, 364, 



365, 440, 554, 561, 564, 

 580, 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 



sporangium, 268, 269 



tracheids in prothallium, 243 



vascular bundle of stem, 244 



vascular bundles, 261, 265 



venation of leaf, 259 



Botrichium — Cont. 



lunaria, 238, 245, 264, 267, 268, 



269, 580, 626; Fig. 141 

 obliquum, 628 

 rutaefolium, 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, 



Acrogynae, 14, 117, 619 

 Lycopodium, 494 

 Porella, 10 1 

 prothallium, 374 

 root, 499 

 stem, 497 

 Brown Algae, 607, 608 

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

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

 226, 228, 305, 594, 595, 600, 

 622, 623 

 apical growth, 190 

 branching, 193, 194 

 classification, 214 

 gametophyte, 188 

 germination of spores, 188 

 peristome, 220 

 stem-structure, 194 

 Bryineae, 184, 185, 186, 191, 205 

 ^ Bryophyllum, 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 



