Pennsylvania for Sesston 1897-98. 119 
Professor Kraemer spoke of observations he had made on 
flower pollination in Skunk Cabbage, Jack-in-the-Pulpit, 
Judus-tree and Houstonia. 
Professor Macfarlane drew attention to a valuable collection 
of ferns recently received from Dominica, and presented by 
Samuel Houston, Esq. He also exhibited and compared a 
set of seedlings of the genus Mesembryanthemum germinated 
in the University plant houses, also flowering and fruiting 
specimens of Palisota Bartert. 
May 20. Dr. Miller in the chair. Mr. R. E. B. McKenney 
read a paper entitled, ‘‘Some Observations on the Develop- 
ment of the Embryo-sac in Angiosperms,” and now printed in 
the accompanying Zransactions. 
Miss Caroline B. Thompson next read a paper on “The 
Structure and Development of Internal Phloem in Ge/semium 
sempervirens.” The paper appears in the accompanying 
Transactions. 
Dr. Adeline F. Schively spoke on “ Recent Observations on 
Amphicarpea monotca,’ and the paper is herewith published. 
Mr. Le Boutillier exhibited from his collection eleven inter- 
esting orchids in flower, including a plant of Cymbidium Lowzi- 
anum, bearing a long raceme which had been in bloom fully 
three months. 
Professor Macfarlane drew attention to some pans of szed- 
ling Streptocarpus and spoke of the comparative development 
of S. caulescens, S. Rexit, S. Wendlandiu, and S. polyanthus, 
from the stage shown in the pans onward. 
June 3. Members and friends to the number of about one 
hundred and thirty convened at Biological Hall at 6 p.m.,and 
after a short sketch of the origin and plan of the University 
Garden had been given in the Lecture Hall by the director, 
Professor Macfarlane, the company proceeded to inspect the 
greenhouses and grounds. Thereafter supper was served in 
the Department, and was presided over by Dr. Jane V. Myers, 
Mrs. Woodbridge, Misses Gardiner, Head, Hodgson and Yar- 
nall. 
