( 222) 
Screntiric MEETINGs 
The botanical conventions, held bi-weekly in the library 
on Wednesday afternoons, have been interesting and well at- 
tended. A list of topics discussed at these conventions dur- 
ing the past year is as follows: 
January 24. ‘‘Isolation as a Factor in the Distribution of 
Species,” by Dr. N. L. Britton, Professor F. E. Lloyd, and 
others. 
February 7. ‘‘ Winter Blossoms,” by Mr. Percy Wilson; 
‘*The Flora of the Philippines,” by Dr. C. B. Robinson; 
«© A Cytological Study of Nectar Glands in Véeca Kaba,” by 
Mr. C. R. Stockard. 
February 21. ‘¢ The Botanical Situation in Porto Rico at 
the Present Time,” by Dr. N. L. Britton, Dr. L. M. Under- 
wood, Mrs. N. L. Britton and Dr. M. A. Howe. 
March 7. ‘* Remarks on the Flora of Haiti,” by Mr. G. V. 
Nash; ‘‘Some Phytogeographical Features of the Prairies,” 
by Dr. H. A. Gleason. 
March 21. ‘* Microscopic Examination of Cretaceous Lig- 
nites,” by Dr. Arthur Hollick ; ‘* Remarks on the Malvaceae,” 
by Mr. H. H. York; ‘* Juvenile Forms of Cultivated Plants,” 
by Mr. Norman Taylor. 
April 4. ‘‘Recent Botanical Explorations in Porto Rico,” 
by Dr. N. L. Britton, Mrs. N. L. Britton, Dr. M. A. Howe, 
and Miss D. W. Marble. 
October 17. ‘‘ Botanical Explorations in Jamaica,” by Dr. 
N. L. Britton, Dr. L. M. Underwood, Mrs. N. L. Britton, 
and Miss D. W. Marble. 
November 7. ‘‘ Results of recent studies of the cretaceous 
lignites at Kreischerville,” by Dr. Arthur Hollick. 
November 21. ‘*Solution Tension and Toxicity in relation 
to Enzymes,” by Dr. R. H. Pond; ‘*The Fern Genus An- 
trophyum,” by Mr. R. C. Benedict; ‘‘ Review of Literature,” 
by Dr. C. Stuart Gager. 
December 5. ‘*Some Remarks on Fasciation,” by Miss 
Alice A. Knox; ‘‘The Downy Mildews,” by Mr. Guy W. 
Wilson. 
