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I HE AMERICA A NATURALIST. [Vol. XXXVII. 



discussed by Griffiths in Bulletin 38 of the Bureau of Plant Industry 

 of the United States Department of Agriculture. 



The Yearbook of the United States Department of Agriculture, for 

 1902, recently issued, contains the usual variety of papers, primarily 

 of economic interest but a number of them botanically valuable. 



"Loco and other poisonous plants of Montana" are discussed by 

 Blankinship in Bulletin No. 45 of the Montana Agricultural Experi- 

 ment Station. 



The cultivation of sisal in Hawaii is the subject of a paper by 

 Conter, published, with illustrations, as Bulletin No. 4 of the Hawaii 

 Agricultural Experiment Station. 



A very attractively gotten-up account of Luther Burbank and his 

 work in horticulture, by Wickson, has been reprinted from the Sunset 

 Magazine by the Southern Pacific Company of San Francisco. 



The new ideals in the improvement of plants are discussed by 

 Bailey in an illustrated article in Country Life in America for July. 



A comparison of hybrids with their parent forms, by de Vries, is 

 published in the Revue Generate de Botanique, of June 15. 



An article on plants as a factor in home adornment, by Corbett, is 

 reprinted from the Yearbook of the Department of Agriculture for 

 1902. 



No accounts of school gardens, published in this country, are more 

 interesting or better illustrated than those contained in current vol- 

 umes of the Transactions of the Massachusetts Horticultural Society. 



Dr. Grout, who a few years since wrote a little guide to the study 

 of mosses with the aid of a hand-lens only, has issued the first part 

 of a well printed and nicely illustrated book of larger scope under 

 the title Mosses with Hand-Lens and Microscope. His purpose is to 

 present a handbook of the more common mosses of the Northeastern 

 United States with the avoidance of unnecessary technicalities. 



A new list of the " Pteridophytes of Iowa," by Lyon, reprinted on 

 July 3rd from Minnesota Botanical Studies, contains the interesting 

 information that gametophytes of Botrychium obliquum and B. vir- 

 ginianum have been collected in that State, both species at Echo 

 Lake, and the last named also at Grand Marais. 



As Part 3 of the current volume of Contributions from the United 



