58 



f . Discovery of the parasite on native chestnut in China 

 by Frank N. Meyer in 1913. 



g. The search for resistant individuals about N. Y. City 

 and elsewhere. About 75 resistant individuals found 

 in Greater New York and vicinity. 



h. Present extent of the blight in U. S. Entire area where 

 chestnut is of commercial importance has now been 

 reached. 



i. The cause of frequent basal sprouts from trees appar- 

 ently killed by the blight; due to a greater resistance 

 of root as compared with stem tissues. 

 5. Resistant exotic chestnuts. 



a. Large healthy trees now growing in the vicinity of 

 New York described and illustrated. 



b. Crosses made by the Ofifice of Forest Pathology, U. S. 

 D. A., with a view to obtaining desirable resistant 

 types. 



c The recent explorations of the Japanese islands, 

 resulting in the securing of resistant forest types of 

 the Japanese chestnut. 



The speaker outlined his own research and his personal 

 experiences as special agent of the Office of Investigations in 

 Forest Pathology, U. S. D. A., insofar as they were related to 

 the above topics. 



Dr. A. B. Stout spoke on the "Studies on the Variegation of 

 Pelargonium." 



Meeting adjoined at 5 P. M. 



Respectfully submitted, 



FoRMAN T. McLean 



Secretary 



Meeting of February 4, 1930 

 The meeting was called to order at the American Museum 

 Natural History at 8:15 p.m. by President Sinnott. Thirty-six 

 members were present. 



The following were unanimously elected to membership in 

 the club: 



Mr. Ronald Bamford, 612 Livingston Hall, Columbia Uni- 

 versity, and Dr. C. L. Lundell, Columbia University, New York 

 City. 



