INDEX 



679 



Secondary thickening in Sphenophyl- 

 lum, 91 

 roots, 98 

 Stigmaria, 244, 258 

 rootlets, 255 

 Secretory organs in Calamites, 21, 41 

 in Cheirostrebtts \ 119 



Lepidodendron Harcourtii, 139 



Wtinschianum, 139 

 Lepidopkloios fuliginosusy 139 

 Psaronius Renaulti, 301, 302 

 Sigillaria, 221 

 Seed, 356 



exalbuminous, 573, 575 

 Palaeozoic, 452, 659 

 Aneimites fertilis, 465 



tenuifolius, 466 

 Bennettites, 567-575, '568, '569, 



*572. *574 

 Cardiocarpon, 466 

 Conostoma, 42,-2 



intermedium, 418 



ovale, 418 

 Cordaicarpus, 547 

 Cordaiteae, 473, 546-55°. 553 

 Cycadaceae, 456, 648, 649 

 Cycadospadix Hennoquei, 595 



milleryensis, *493 

 Dorycordaites, 467 

 Gnetopsis, 425 



Lagenostoma Lomaxi, 386-393, 

 *387. *388, *38o- *390, *39* 



ovoides, 396 



Sinclairi, *394, ^395 

 Linopteris, 461 

 Lycopods, 636 

 Lyginodendron, 386-396, 648 

 Medulloseae, 451-456, 464 

 Neuropteris flexuosa, 461 



heterophylla, 450-452, *45i, 461 

 Odontopteris, 461 

 Pachy testa gigantea, 461 

 Pecopteris Pluckeneti, 466, *4&7 

 Physostoma elegans, 396 , 460, 



472 

 Poroxylon, 512, 513 

 Rhabdocarpus, 451, 508, 512 



subtunicatus, *5i3 

 Samaropsis, 467 

 Sphenopteris, 395 



Dubuissonis, 395 

 Stephanospermum, 456, 459 



akenioides, 456, *458, *459 

 Trigonocarpus, 45 2 -45 6 > 47 2 » 649, 

 651 



Seed, Trigonocarpus Parkinso?ii, 452- 



45 6 ',*454> i *455> 4^o 

 Wardia fertilis, 466 

 Seed-like fructifications of Lycopods, 



193-199 

 Seed-plants, 6 

 Seeds, 81, 268, 270, 288 

 Selaginella, 1.2,6, 159, 184, 193, 197, 

 259, 260, 262, 263, 264, 635, 

 636, 637 

 oregana, 158 

 rupestris, 158 

 spinosa, 126, 244, 264 

 Selaginellites, 263, 264 

 elongatus, 264, 265 

 primaevus, 264, 636 

 Suissei, 263, 264 

 Senftenbergia, *28o, 287, 288, 347 

 Sequoia gigantea, 607, 608 

 Seward, A. C. , 5, 108, 138, 447, 474, 

 483, 486, 487, 556, 557, 592, 

 594, 608, 613, 624, 653, 656 

 and Ford, 607, 653 

 and Gowan, 612 

 and Hill, A. W,, 143, 217 

 Shore, 13, in, 334, 429, 447, 511, 



5 26 - 53i 

 Siberia, 612 

 Sigillaria, 5, 165, 167, 204-237, 



*227, 377, 513, 634 

 affinities of, 218, 236 

 anatomical structure, 214-231 

 fructifications, 231-237 

 habit and external characters, 204- 



214 

 roots of. See Stigmaria 

 Brardi, *2.og, 212, 214, 218, 224, 



2 57 



discophora, 236 



elegans, 214, 228, 229, 235 



elongata, 228 



latifolia, *222 



lepidode?idrifolia, 205 



mamillaris, *2o8, 229, 235 



Menardi, 215, *2i6, 218, 223, 

 227, 230 



reniformis, 204, 226 



scutellata, *22g, 230 



spinulosa, 212, 218, *220, 221, 

 *222, 223, 224, 227 



tesselata, *zoj 

 Sigillarieae, 614 

 Sigillariopsis , 513, 634 



Decaisnei, 230, 654 



sulcata, *230, 231 



