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Mr. Luther Burbank, of Santa Rosa, California, has recently 
sent to the Garden a dozen varieties of spineless cacti, some 
developed especially for forage and others for their edible fruit. 
Professor Guy West Wilson, of the North Carolina Agricul- 
tural Experiment Station, has been awarded a research scholar- 
ship at the Garden for the month of September to aid him in 
his researches on parasitic fungi. .Mr. Wilson will continue 
his work during the year as a graduate student of Columbia 
University. 
Mr. L. R. Waldron, superintendent of the Sub-station at 
Dickinson, North Dakota, visited the Garden on September 
14 in order to attend the lecture by Professor Hugo de Vries. 
Professor M. T. Cook, of Rutgers College, New Jersey, accom- 
panied by his assistant Mr. C. A. Schwarze, attended the lecture 
at the Garden on September 14. 
Dr. C. Houard, maitre de conferences in the Faculty of Sciences 
at Caen, France, visited the Garden on September 16. 
Volume 17, part 2, of North American Flora was issued Sep- 
tember 13, 1912. This part is devoted to species of grasses 
belonging to the family Poaceae of the order Poales. The entire 
part, consisting of 97 pages, is by Mr. George V. Nash. 
Professor Hugo de Vries, director of the Botanical Garden at 
Amsterdam, Holland, visited the Garden on September 14 and 
delivered a lecture on ‘‘Experiments in Mutation,” after which 
he was the guest of honor at a dinner given by Professor R. A. 
Harper, of Columbia University. In 1904 he first visited New 
address at the Carnegie Station for Experimental Evolution at 
Cold Spring Harbor, gave a course of twenty-five lectures in the 
University of California and five lectures at the University of 
Chicago, and lectured at the New York Botanical Garden. He 
again lectured at the Garden in 1906 on his way to the University 
of California to deliver a second series of lectures there. The 
special occasion which brings him to America at this time is the 
opening of the Rice Industrial Institute at Houston, Texas, 
in October, where he will make one of the dedicatory addresses. 
