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American Fossil Mosses with Description of a New Species 
from Florissant, Colorado, by Elizabeth G. Britton and 
Arthur Hollick. 
Solution Tension and Toxicity in Lipolysis, by Raymond 
H. Pond. 
Studies in North American Peronosporales—II. Phytoph- 
thoreae and Rhysotheceae, by Guy West Wilson. 
Studies on the Rocky Mountain Flora— XVIII., by Per 
Axel Rydberg. 
The Sedges of Jamaica, by N. L. Britton. 
The Genus Antrophyum —I. Synopsis of Subgenera, and 
the American Species, by Ralph Curtiss Benedict. 
Some Philippine Polyporaceae, by William Alphonso 
Murrill. 
Scandinavians who have Contributed to the Knowledge of 
the Flora of North America, by Per Axel Rydberg. 
