INDEX 



655 



Polytrichum, 221 

 secondary growth, 263 

 secondary thickening, 585, 586 

 secondary thickening (Bo- 



trychium), 262 

 Sphagnum, 172, 173 

 structure, 554, 589 

 structure (Angiopteris), 289 

 structure (Azolla), 411 

 structure (Equisetum), 464 

 structure (fossil ferns), 587 

 structure (Gleichenia), 369 

 structure (Hymenophyllaceae), 



378, 379 



structure (Marsilia), 432 

 structure (Matonia) 372 

 structure (Ophioglossum), 249 

 structure (Osmundaceae), 360 

 structure (Salviniacese), 409 

 structure (Schizaeaceae), 386 

 structure (Selaginella), 526 

 structure (Struthiopteris), 329 

 vascular bundle, 285, 326, 369, 



496 

 vascular bundle (Botrychium), 



244 



vascular bundle (Ophioglos- 

 sum), 250 



vascular bundle (Polypodi- 

 aceae), 330 



stem-apex, 548 



dichotomy, 521 



Stephaninoideae, 119 



sterile cells, 84 



Sphaerocarpus, 80 



sterilization, 599 



sporogenous tissue, 567 



Stigeoclonium, 121 



Stigmaria, 589 

 roots, 589 



stipules, 273, 287, 362 

 Angiopteris, 290 



stolon, 163, 329 



stomata, 13, 122, 125, 143, 156, 165, 

 180, 211, 212, 213, 227, 251, 266, 

 286, 334, 335, 358, 467, 498, 528, 



555, 595 



Anthoceros, 192 

 Azolla, 411 



Schizaeacese, 387 

 stomium, 343 



strobiloid Pteridophytes, 598 

 strobilus, 494, 599 

 Stromatopteris, 339 

 moniliformis, 366 

 structure of gametophytes 



Sphaerocarpus, 75 

 Struthiopteris Germanica, 312 

 Sturiella, 583 

 sub-archesporial pad, 502 

 subsidiary pinnae, 580 

 succubous leaves, 116 

 suckers, 574 

 suspensor, 490, 492, 519, 520, 534, 



572 



swimming apparatus, 414 

 Symphyogyna, 87, 573 

 synangium, 303, 508 



Kaulfussia, 300 

 synthetic types, 583, 588 



tannin cells, 286, 292 

 tapetum, 257, 270, 272, 294, 295, 307, 

 342, 343, 366, 383, 438, 502, 531, 

 532, 558, 559 



Targionia, 22, 42, 43, 46, 48, 52, 58, 

 65, 66, 67, 70, 71 

 archegonium. 53, 55 

 spore-division, 63 

 sporophyte, 60 

 hypophylla, 24, 50; Figs, i, 18, 19, 



23, 24, 27, 28 

 Targionieae, 69, 71 

 terrestrial plants, 230, 569, 575 

 terrestrial sporophyte, 230 

 Tertiary, 306 

 Tertiary formations, 439 

 Tessalina, 42, 71 

 Tessalina (oxymitra), 40 



pyramidata, 40 

 tetrad-formation, 567 

 Tetraphideae, 218 

 Tetraphis, 161, 188, 218, 226, 227 

 gemmae, 10 

 sporogonium, 220 

 pellucida, 162, 219; Fig. 118 

 Thallocarpus, 75 

 thallose Hepaticae, 183 



