Pennsylvania for Sessions iSgg—igoo. xxiii 



A large exhibit of palms and sago palms was made by 

 Messrs. Craig, Dreer, and Graham. To them and to Mr. 

 Conard, of West Grove, unanimous votes of thanks were 

 accorded for specimens shown at the meetings. 



The President drew attention to the syllabus of the society's 

 class meetings for the session, and intimated that the first 

 meeting would be devoted to a study of the Bacteria under 

 Dr. M. P. Ravenel. 



A large exhibit of orchids, in bloom, was made from the 

 University garden, and in connection therewith the Secretary 

 read the following letter, recently received from Mr. Charles 

 Dissel by Provost Harrison, Honorary President of the society : 



" My Dear Mr. Harrison : 



" I have sold my place at Wynnewood, Pa., and with it 

 the collection of plants in the conservatories, excepting the 

 orchids. These I wish to present to the Botanical Society of 

 the University of Pennsylvania. If acceptable, please advise 

 me when you will be able to make room for them. I send 

 herewith a list of them. 



Yours truly, 



" Charles Dissel." 



On motion, it was unanimously agreed " that the warmest 

 thanks of the society be tendered to Mr. Dissel for the large 

 and valuable collection conveyed by the Provost to the Uni- 

 versity's collections, and that the Curator be empowered to 

 express to Mr. Dissel the society's appreciation of the gene- 

 rous gift." 



November ij. The Acting President in the chair. Miss 

 Marion Mackenzie spoke on " Abnormalities and Fasciation 

 in Rudbeckia hirta." These were enlargement of the bracts, 

 change in structure and color of the flowers, cycloid enlarge- 

 ment of the flower heads on fasciated stems, also extensive 

 fasciation and branching of the entire inflorescence. She 



