43 



ecological studies in southern Illinois and has brought out a 

 number of interesting facts in regard to the distribution of the 

 higher plants in that region. A series of three articles under the 

 title of " Notes on Some Southern Illinois Plants" has been pub- 

 lished by him in Torreya and a series of five under the heading 

 of " Notes from the Ohio State Herbarium " has appeared in 

 recent numbers of the Ohio Naturalist. Mr. Gleason's major 

 work during the present year consists of taxonomic studies of a 

 group of seed-plants that is well represented in the Middle West, 



the Pteridophyta. 



amounted to 2.78 inches. Maximum temperatures of 59.5 ° on 

 the 4th, 45° on the 12th, 59° on the 21st, 56° on the 22d, and 

 48° on the 30th were recorded ; also minima of 24" on the 3d, 

 7° on the 10th, 29 on the 18th, and 20° on the 26th. 



ACCESSIONS. 



Balfour, John Hutton. A menu 

 Balfour, John Hutton. Phylo-th 

 Batka, Joh. B. Monographie der ( 

 Batsch, Aug. Joh. Vermch einer 



