516 



Trans. Acad. Sci. of St. Louis. 



Pentaria 167 

 Peperomia 469 

 Perdita 175 

 Pernopecten 363 

 Persea 469 

 Petitia 454 

 Petiveria 468 

 Pbanerotinus 867 

 Pharus 477 

 Pliaseolus 414 

 Phileremus 177 

 Philibertia 441 

 Phillipsia 363, 368 

 PMlodendron 472 

 Phoebe 459 

 Pholisora 177 

 Phoradendron 460 

 Phorbia 154-5 

 Phragmoceras 365 

 Phthirusa 460 

 Phyciodes 176-8 

 Phyllanthus 461 

 Phyllonotus 383 

 Physalis 239, 448 

 Pbysetocrinus 366 

 Phytolacca 468 

 Phytomyza 168 

 Picramnla 407 

 Picrodeadron 407 

 Pictetia 411 

 Pieris 176-7 

 Pilea 466 

 Piper 459 

 Pipiza 170 

 Piriqueta 424 

 Pisonia 456 

 Pithecolobium 420 

 Platycrinus 366 

 Platygyna 464 

 Platystoma 155 

 Plethodon 501 

 Pleurotomaria 363, 368 

 Pluchea 433 

 Plumbago 437 

 Plumeria 440 

 Plumulina 363 

 Podocarpus 478 

 Podophyllum 155-6 

 Poeppigia 415 

 Poinciana 417 

 Poirieria (383) 



Polanisia 400 



Pollstes 174-5 



Polygala 401 



Polygonum 231, 236 



Polypodium 480 



Polypompholix 450 



Polypora 367 



Polys tachia 467 



Polytropa 388 



Pompilus 174 



Ponthieva 468 



Populus liv, Ixvi 



Porcellia 368 



Poropteron (383) 



Porteranthus (169) 



Potamogeton 240, 472 



Poteriocrinus 367 



Priva 454 



Prockia 405 



Productella 363, 367 



Productus 367 



Prosopis 168, 172, 175, 179, 315 



Psidium421 



Psilotum 479 



Psychotria 430, 431 



Pteris 479 



Pterohytls 385 



Pteronotus 383 



Pteropurpura (383) 



Ptilodexia 176 



Purpura 386-8 



Pyrameis 176 



Pyrgus 176 



Quercus Ixxiv 



Bachicallis 428 

 Rauwolfla 439 

 Retzia 363 

 Reynaudia 477 

 Rhabdopterus 158 

 Rhamphomyia 172 

 Rhipidomella 363 

 Rhlpsalis 426 

 Rhizophora 420 

 Rhodocrinus 367 

 Rhynchonella 363, 367 

 Rhynchosia 414 

 Rhynchospora 474 

 Richardsonia 432 

 Ricinula (389) 



