Nova Scotian Institute of Science, Halifax, N. S. Proceedings, 



Transactions. 

 Nuova Notarisia, Padua, Italy. 

 Nuovo Giornale Botanico Italiano: see Italy, Societa Botanica 



Italiana. 

 Nuremberg. Naturhistorische Gesellschaft, Nurnberg, Germany. 



Abhandlungen, Mitteilungen. 

 Nyt Magazin: see Christiania, Physiographiske Forening. 

 Oberlin College, Oberlin, Ohio. Laboratory Bulletin. 

 Ohio Naturalist: see Ohio State University, Biological Club. 

 Ohio State Academy of Science, Columbus, Ohio. Proceedings. 

 Ohio State Board of Agriculture, Columbus, Ohio. Annual 



Report. 

 Ohio State University, Columbus, Ohio. Bulletin: Botanical 



Series. 

 Ohio State University: Biological Club, Columbus, Ohio. Ohio 



Naturalist. 

 Oklahoma, State University of Oklahoma, Norman, Okla. 

 Olmiitz. Botanischer Garten, Olmiitz, Austria. Seed Lists. 

 * Orchid Review, London, England. 



Oregon State Board of Horticulture, Salem, Oregon. Report. 

 tOsterreichische Botanische Zeitschrift, Vienna, Austria. 

 Ottawa. Central Experiment Farm, Ottawa, Canada. Bulle- 

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 Ottawa Naturalist, Ottawa, Canada. 

 Palermo. R. Istituto ed Orto Botanico, Palermo, Italy. Bolle- 



tino, Contribuzioni alia Biologia Vegetale. 

 Paris. Museum d'Histoire Naturelle, Paris, France. Bulletin, 



Notulae Systematicae. 

 Paris. Societe Linneenne de Paris, Paris, France. Bulletin 



Mensuel. 

 Park and Cemetery, Chicago, 111. 



Pennsylvania Botanical Society, Philadelphia, Pa. Proceedings. 

 Pennsylvania Department of Agriculture, Harrisburg, Pa. An- 

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 Pennsylvania Department of Forestry, Harrisburg, Pa. Report. 

 Pennsylvania Forestry Association, Philadelphia, Pa. Forest 



Leaves. 

 Pennsylvania. University of Pennsylvania, Philadelphia, Pa. 



Contributions from the Department of Botany. 



