I 



INDEX 



Acrocarpae, 218, 623 

 Acrogynas, 73, 74, 99, 100, loi, 170, 

 619, 620 

 asexual reproduction, 118 

 branching, 104, 117 

 classification, 119 

 distribution, 119 

 gemmae, 118 



germination of spores, 113 

 leaves, 116 

 traps in leaves, 117 

 epiphytic, 116 

 Adiantites, 579 

 Adiantum, 364, 395, 580 



emarginatum, 329, 336; Figs. 



181, 185, 188 

 pedatum, 332; Fig. 180 

 Adventitious budding, 574 



of gametophyte, 277, 350 

 Adventitious buds, 258 

 Adventive shoots, 497 



Ricciaceae, 27 

 Air-chambers, 



Marchantiaceae, 23, 42, 48, 610, 



611, 612 

 Ricciocarpus, 39, 40, 610 

 Struthiopteris, 329 

 Air-space (see Lacunae), 206, 207,^ 



216 

 Alethopteris, 585 

 Algae, I, 2, 9, 14, 121, 227, 230, 564, 



56s, 566, 569, 573, 592 

 Alisma, 548 

 Alsophila, 307 



prothallium, 391 

 contaminans, 391 

 Cooperi, Fig. 228 



Alternation of generations, 2, 562 

 antithetic, 569, 574 

 homologous, 569, 570, 571 

 Amber, 577, 578 

 Amblystegium, 193, 194 

 apical growth, 191 

 leaf, 192 

 riparium var. fluitans, 190; Figs. 

 98, 99 

 Ameristic prothallia, 314 

 Amphigastrium, 14, 114 



Porella, 102 

 Amphithecium, 13, 179, 185, 186, 



205, 206, 214 

 Anabaena Azollce, 409, 415 

 Anacrogynae, 73, 74, 75, 85, 100, 

 109, 157, 158, 592, 595, 597, 

 614, 618, 619 

 calyptra, 98 

 elaters, 96, 99 

 germination of spores, 99 

 spore-division, 98 

 spores, 99 

 sporophyte, 94, 95 

 Andreaea, 161, 165, 187, 196, 201, 

 202, 203, 209, 219, 226, 

 227 

 leaves, 182 

 sex-organs, 184 

 sporophyte, 184, 185 

 stem, 182 

 crassinerva, Fig. 95 

 petrophila, Figs. 94, 95 

 Andreaeaceae, 161, 165 

 Andreaeales, 160, 166, 181 

 Androgynous receptacles, 

 Marchantiaceae, 613 



681 



