XXVII 



P. Syn. 



Synopsis methodica Fungorum. C. H. Persoon. 



Pass. 



Passerini, G. 



Pat. 



Patouillard, N. 



Paul. 



Paulet, J. J. 



Pegl. 



Peglion, V. 



Pk. 



Peck, C. H. 



Penz. 



Penzig, O. 



Phil. 



Phillips, W. 



Pilz. Weinstk. 



Die Pilze des Weinstockes. Thuemen. 

 PL Baker. 



Plantas Bakerianae. E. L. Greene et al. 

 PI. Bot. Gard. Camb. 



Catalogue of the plants of the Botanical Garden of Cambridge. 

 W. D. Peck. 



PL Cell. Cuba. 



Montagne in Ramon de la Sagra. Histoire physique, politique et 

 naturelle de Tile de Cuba. 



PL Crypt. Ard. 



Plantae Cryptogamicae Arduennae (exsiccatae) . M. A. Libert. 

 Plowr. 



Plowright, C. B. 

 Poir. 



Poiret, J. L. 

 Pringsh. 



Pringsheim, N. 

 Proc. Am. Acad. 



American Academy of Arts and Sciences. Boston. Proceedings. 



Proc. Boston Soc. 



Boston Society of Natural History. Proceedings. 

 Proc. Can. Inst. 



Canadian Institute. Toronto. Proceedings. 



Proc. Davenport Acad. 



Davenport Academy of Natural Sciences. Davenport, Iowa. Pro- 

 ceedings. 



