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the United States. "Year after year," to quote the final sub- 

 title of the picture, "the search for new plant material goes on, 

 and so are obtained new crops, new foods, new ornamentals, 

 and new raw materials for American farms, markets, arts and 

 industries," 



Many citrus producers in California are now keeping rec- 

 ords of the production of each tree in their orchards. These 

 individual tree records enable the growers to locate good 

 orange, lemon and grapefruit trees from which to take bud 

 wood for top-working poor trees. In Farmers' Bulletin No. 

 794-F, Citrus-Fruit Improvement, recently issued by the United 

 States Department of Agriculture, Mr. Shamel describes the 

 methods of keeping and using tree-performance records and 

 comments on the results obtained by those who have followed 

 the practice over a period of years. 



On the evening of May 13th a dinner wa? given in honor of 

 Dr. Aven Nelson at the Commons of the University of Wyoming. 

 The occasion was the 70th birthday of Dr. Nelson. For 42 years 

 he has been connected with the University, part of the time as 

 president. He has built up a large herbarium of the Rocky 

 Mountains and is the author of numerous works on the flora 

 of the Rocky Mountains. 



The Botanical Society of America will meet at Dartmouth 

 College, Hanover, N. H., from June 25 to the 28th. 



The Pharmaceutical Society of Great Britain has awarded 

 the Hanbury medal "for high excellence in the prosecution or 

 promotion of original research in the natural history and chem- 

 istry of drugs" to Dr. Henry Hurd Rusby, professor of materia 

 medica in the college of Pharmacy of Columbia University. It is 

 understood that Dr. Rusby will go to England in October to 

 receive the award. (Science) 



A herbarium of 40,000 specimens of plants, owned by Dr. 

 Charles Atwood of Moravia, who died recently, has been pre- 

 sented to Cornell University. The plants were obtained from all 

 parts of the country, but the majority are from central New 

 York. (Science) 



Dr. Sam F. Trelease has been promoted to a full professor- 

 ship of botany in Columbia l^niversity. 



