620 



INDEX 



Flagiogyria 297 



Plant, N. 177 



Platyzoma 291 



P. microphylla 312 



Pleuromeia 66-73, 91, 141 



P. oculina 69 



P. Stembergii 68-70 



Podocarpus 210 



P. dacrydioides 75 



Podoloma polypodioides 394 



Poecilitostachys 91 



P. ffan^i 91 



Polypodiaceae 296, 875-380 



Polypodium 344 



P. Billardieri 302 



P. cornosMm 301 



P. Tieracleifolius 383 



P. oregonense 877 



P. quercifoUum 297, 298, 302, 303, 



392, 528 

 P. TOiffare 301, 813, 577 

 Potonie, H. See p. 609 

 Prantl, K. 296 

 Presl, C. B. 127, 356, 390, 407, 477, 



525, 572 

 Prestwick. J. 229 

 Primofilices 433 

 Protophyllocladus 548 

 Protopteris 370-374, 890 

 P. punctata 373-375 

 P. Stembergii 371 

 P. Witteana 374, 375 

 Protorhipis asarifolim 390 

 ProtosaZDinio 476 

 Psaronieae 412-426 

 Psaronius 309, 372, 896, 412-426, 452 

 P. asterolithus 416 

 P. brasiliensis 420 

 P. coalescens 416, 420 

 P. CoMai 415 

 P. Cromptonensis 413, 425 

 P. infarctus 415-421, 424 

 P. rmtsaeformis 416, 420 

 P. Renaulti 413, 418, 420, 425 

 P. Sterzeii 419, 420 

 Psetidobornia 11 

 P. ursina 8 

 Psilophyton 26-29 

 P. Dechianum 27 

 P. filiformis 24 

 P. princeps 26-29 



P. robustius 27, 29 



Psilotaceae 12-15 



Psilotales 17-29 



Psilotiphyllum 26 



Psilotites 24, 25 



P. filiformis 24 



P. lithranthracis 25 



P. unilateralis 25 



Psilotum 12-24, 26, 29, 237 



P. complanatum 18 



P. triquetrum 17, 18, 20 



Psygmophyllum 431 



Pteridoapermaphyta 278 



Pteridosperms 282, 395, 396, 408, 407, 



426, 484-580 

 Pteridotheca 325, 375 

 P. Butterworthi 325 

 P«en« 312, 580 

 P. aquilina 305-809 

 P. arguta 344 

 Pteropsida 312 



Ptilozamites 539, 546, 547, 550 

 P. Hem 546-548 

 Ptychocarpus 397, 411, 576, 578 

 P. oblongus 397 

 P. ujtita 397, 400, 578 

 Ptychopteris 413, 414, 422-424 



Rachiopteris antiqua 449 



iJ. corrugata 450, 455, 460 



iJ. cylindrica 438 



JJ. dupfea; 447, 448 



2?. hirsuta 436, 438, 442 



i2. inaequalis 458, 454 



JJ. ijisignis 456 



P. irregularis 453, 454 



P. ramosa 436, 440 



P. tridentata 488 



Eaciborski, M. 339, 341, 348, 353, 



548 

 Regnellidium 473, 479 

 P. diphyllum 474, 479 

 Eeinecke, F. 801 

 Keinsoh, P. F. 192 

 Benault, B. See note, p. 609 

 Renault, B. and C. Grand'Eury 219 

 Benault, B. and A. Boche, 204 

 Renault, B. and R. Zeiller 510, 555, 



560, 571, 577 

 Renaultia 394, 406 

 Renier, A. 138 



