447 
His.collections amounted to 13,000 or 14,000 specimens, repre- 
senting some 500 species. 
Mr. T. H. Kearney, Jr., had been collecting in Tennessee and 
Kentucky. He had devoted some three. months to this work and 
obtained more than 5000 specimens. He noted some of his more 
important observations. 
Mr. Geo. V. Nash reported collecting in the Catskills and ex- 
hibited specimens of several interesting species. 
Mr. Henry Kraemer reported upon some laboratory work, re- 
ferring especially to Belladonna root. He had found in the 
cortical tissue structures bearing all the characteristics of bast and 
had afterwards encountered notes by Prof. Schrenk to the same 
effect, and had verified the same by an examination of Prof. 
Schrenk’s specimens. The supposed bast could be detected only 
after clearing and staining. 
Mr. Theo. G. White had been specially occupied in geological 
work. At Lake Champlain he had obtained from the Potsdam 
sandstone a fine large fossil alga. Later, while at the World's 
Fair, he had made some interesting collections of the prairie flora. 
The President exhibited two specimens of Sofdago speciosa, 
one collected by himself many years ago on the line of Sixth 
ave., between 135th and 140th streets, where also S. vigida used 
to grow, the other recently collected in Westchester county by 
Dr. Margaret B. Wilson. 
‘Dr. Britton exhibited and remarked upon some numbers of the 
American Botanical Register, obtained from the library of Dr, 
Hosack. He had not as yet been able to find any reference to 
this publication. 
Wepnespay EvENING, OCTOBER 25, 1893. 
Vice President Allen in the chair and twenty persons sai 
eg following papers were read: 
. “On the North American Species of the genus Physcomit- 
cay by Mrs. Britton. The paper was illustrated by specimens — 
and drawings. The genus was originally described with three 
species, which in Lesquereux and James’ “ Manual” had been in- 
creased to six. Mrs. Britton’s studies had led her to recognize 
eleven North American species, six of which she described as new. 
