Pennsylvania for Sessions 1899-1900. XXXI 
lachian Park and Calaveras Grove movements, and letter of 
thanks from Mr. Dissel, on his recent election. 
Mr. Trenner then exhibited and described the Kromsk6p as 
a mode of graphically demonstrating plants, plant groups 
and plant scenery in color. 
April 20.—Dr. Miller, President, in the chair. The Chair- 
man introduced to the meeting Mrs. Banes and Miss M. R. 
Heygate-Hall, who briefly spoke on the work they were doing 
in vacant lot city gardening, among the young of the poorer 
classes. 
The first regular paper on the program was “A Report on 
the Flora of Cape Fear and Brunswick, N. C.,” by Dr. Mac- 
farlane and Messrs. Marot and William Rorer. Mr. Marot 
spoke on “ The April Vegetation of the Region,” and illus- 
trated his observations with a set of lantern slides. Mr. Rorer 
spoke on ‘‘Aspects of Tree Vegetation.” Dr. Macfarlane 
described and exhibited some of the more typical of the plants 
collected. 
Dr. M. P. Ravenel spoke on ‘“‘Some Fungi Causing Disease 
in Cattle.’ After reference to Achorion and Ozdium, he 
described and exhibited specimens of Actinomyces homints, 
recently examined by him. He then specially referred toa 
species of Aspergillus, which he had found to cause disease in 
cattle. The spore-bearing stalks were developed abundantly 
and were loaded with the typical spores. 
A varied collection of specimens from St. Domingo, re- 
ceived by Miss Mackenzie from her sister, Mrs. Durham, 
was shown, and from the University garden came germinating 
plants of Avaucaria imbricata and A. braziliensis. 
May 4——Members and their friends assembled at 6 p. m., 
at Biological Hall, and after a few words from the Director 
indicating the progress made since the similar meeting of a 
year before, an adjournment was made to the greenhouses and 
garden of the University. At 7.15 lunch supper was served in 
