200 



Mycologia 



Mr. H. S. Jackson, research scholar at the Garden in 1907, has 

 been appointed professor of botany and plant pathology in the 

 Oregon Agricultural College. Mr. Jackson has been since 

 August, 1909, research assistant in plant pathology in the Oregon 

 Agricultural Experiment Station. 



The Torrey Botanical Club has arranged a special excursion 

 for fungi to Cold Spring, Long Island, for August 6. The train 

 leaves the foot of East 34th Street (Long Island R. R.) at 9:00 

 A. M. Returning trains leave at 4:49 and 6:51 P. M. Cost of 

 trip, about two dollars. Guides, Mr. Seaver and Mr. Dodge. 



Dr. William J. Gies, consulting chemist of the New York 

 Botanical Garden, will conduct investigations of various species 

 of poisonous fungi during the coming year. Contributions of 

 specimens are desired from as many localities as possible. 

 They should be collected in quantity and dried in the sun or in 

 a current of warm air. Descriptive notes are of value for 

 purposes of determination. 



An illustrated work on the poisonous plants of Germany, by 

 Dr. P. Esser, director of the Cologne Botanic Garden, has recently 

 appeared. The fungi included in this work are: Amanita phal- 

 loides, A. muscaria, A. pantherina, Riissula emetica, R. foetens, 

 Lactarius torminosus, Boletus lupinus^ B. Satanas, Phallus im- 

 pudicus, Scleroderma vulgare, and Claviceps purpurea. 



The American Phytopathological Society at its last meeting 

 appointed a committee consisting of F. L. Stevens, H. von 

 Schrenk, E. M. Freeman, W. A. Orton, and G. P. Clinton, to 

 draw up rules and make recommendations concerning the com- 

 mon names of plant diseases, the object being to secure uni- 

 formity in their usage. 



Leaf-blight of the plane-tree (Gleosporium nervisequum) was 

 very conspicuous this season on the grounds of the Garden from 

 the middle of May to the end of June, the continued rainy 

 weather being especially favorable to the development of the 



