(181) 
Philippine Islands. Bureau of Science, Manila, Philippine Ids. 
Philippine Journal of Sctence. 
} Pittonia, Washington, D. C. 
Plant World, New York, N. 
Popular Science Monthly, a York, N. Y. 
Portici. R. Scuola Superiore di Agricoltura, Portici, Italy. 
Annaili. 
Portland Society of ee eee noes Me. Proceedings. 
Prag. Deutscher Natur th her Verein fiir 
Béhmen: ‘ Lotos,” Prag, Bohemia,{Austria. ‘+ Zotos.” 
Preservation of Native Plants: see Society for the Preservation of 
Native Plants. 
* Progressus Rei Botanicae, Jena, Germany 
Providence. Park Commissioners, Providence, R. I. Annual 
Feport. 
Queen College Library, Kingston,’ Ontario, Canada. 
Regensburg. Kgl. Botanische Gesellschaft, Regensburg, Bavaria, 
ermany. Denkschriften. 
*Repertorium Novarum Specierum Regni Vegetabilis, Berlin, 
Germany 
Revista de la Facultad Nacional de Agronomia y Veterinaria, La 
Plata, Argentine Republic. 
* Revista de Montes, Madrid, Spain. 
Revue Bryologique, Cahan, Athis, France. 
* Revue de l’Horticulture Belge et Etrangére, Ghent, Belgium. 
Revue des Cultures Coloniales, Paris, France. 
+ Revue Générale de Botanique, Paris, France. 
* Revue Horticole, Paris, France. 
t Revue Mycologique, Toulouse, France. 
Revue Scientifique du Bourbonnais et du Centre de la France, 
Moulins, France. 
* Rhodora, Boston, Mass. 
Rio de Janeiro. Museu Nacional do Rio de Janeiro, Rio de 
Janeiro, Brazil. Archzvos. 
* Rivista di Patologia Vegetale, Pavia, Italy. 
Rochester Academy of Sciences, Rochester, N. Y. Proceedings. 
Rome, R. Istituto Botanico, Rome, Italy. <Azxzuario, Annali 
di Botanica. 
Royal Gardens, Kew: see Kew, Royal Gardens. 
Royal Horticultural Society: see London, Royal Horticultural 
Society. 
