68 



ments of Pityrosporum ovale, a Lipophylic Fungus." The speaker's 

 abstract follows : 



Pityrosporum ovale, the tiny 3'east-like organism found associated with 

 dandruff scales, was successfully cultured on a medium containing fats. The 

 essential fat was found to be the unsaturated oleic acid. The addition of 

 vitamin Be and Bi to this medium further increased growth. Liver extract 

 when added to the oleic acid medium gave very heavy growth. It was con- 

 cluded that in addition to the essential fatty acid, vitamins Bi and Be were 

 important as factors influencing the growth of Pityrosporum ovale and that 

 a third as yet unknown factor present in liver extract was necessary to 

 obtain maximum growth. 



Respectfully submitted, 



Clyde Chandler 

 Recording Secretary 



Minutes of the Meeting of December 3, 1940 



The meeting of the Torrey Botanical Club held at the American 

 Museum of Natural History on December 3, 1940, w^as called to 

 order by the President, Dr. B. O. Dodge, at 8:15 P.M. 



Forty-three members and friends were present. 



The minutes of November 20 were adopted as read. 



Miss Gertrude Obner, 55 Fabyan PL, Newark, N. J. ; Dr. L. F. 

 Randolph, Department of Botany, College of Agriculture, Ithaca, 

 N. Y.; and Miss Phyllis Stanley, 641 Ridge St., Newark, N. J., 

 were elected to associate membership. 



It was with regret that the following resignations from annual 

 membership were reported: Miss Caroline S. Romer, 212 Oak 

 Ridge Ave., Summit, N. J. ; Dr. Robert E. Woodson, Jr., Missouri 

 Botanical Garden, St. Louis, Mo.; Mr. George M. Lash, 189-30 

 37th Ave., Flushing, L. I., N. Y. ; Mr. Edwin de T. Bechtel, 

 2 Wall St., New York, N. Y. ; Mr. Donovan S. Correll, Botanical 

 Museum, Harvard University, Cambridge, Mass. ; Miss Antoinette 

 Wilson, 89 N. Main St., Spring Valley, N. Y. ; and Mrs. William 

 L. Skelton, 524 High St., Bath, Me. 



The lecture on "Some Tree Hybrids" was presented by Dr. 

 Arthur H. Graves of the Brooklyn Botanic Garden. 



The London Plane (Platamts acerifolia) is admirably adapted to city 

 conditions. It endures the hot, dry summers to which New York City is 

 often subjected, and remains in mid-summer green of foliage, healthy and 

 vigorous throughout, in strong contrast to the much vaunted pin oaks and 

 Norway maples, whose foliage is often frayed and unsightly. An apparently 



