NUBE e = 
No. 417.] REVIEWS OF RECENT LITERATURE. 787 
Anatomical studies of Primulaceæ and Simarubez are contained 
in recent numbers of the Annales des Sciences Naturelles. 
The Gardener's Chronicle for June 8 contains an illustrated article 
on the species of Platanus usually planted as street trees, etc. 
The morphology and anatomy of Aloinez is the subject of an 
illustrated paper by Hausen in the Verhandlungen des Botanischen 
Vereins der Provinz Brandenburg for 1900. 
The grasses of Iowa are considered. at length as to their biology, 
chemical composition, etc., by Pammel, Weems, and Lamson- 
Scribner, in Buletin No. 54 of the Iowa Agricultural College. 
Professor Lamson-Scribner gives an account of some Arizona 
grasses — several of them described as new — in Circular No. 32 of 
the Division of Agrostology of the United States Department of 
Agriculture. 
A revised edition of Buletin No. 17 of the Division of Agrostology 
of the United States Department of Agriculture (Professor Lamson- 
Scribner’s * American Grasses, II ") has been issued from the 
Government press. 
Mr. C. L. Shear publishes some notes on Fournier's Mexican 
species and varieties of Bromus in the Bulletin of the Torrey Botani- 
cal Club for April. 
The coralloid rootlets of Cycas revoluta and their symbiosis are 
considered by A. C. Life in the Botanical Gazette for April. 
Professor Shimek contributes a paper on the pteridop elvis 2 
Iowa to the current volume of the Bulletin of the laboratories of 
natural history of the State University of Iowa. 
The eighty-two Alaskan Hepaticze noted in Professor Evans's paper 
on the representatives of this group collected by the Harriman Expe- 
dition are increased by the addition of three others collected by 
Professor Setchell, in a list of species published in Nos. 6, 7 of Zoe. 
A third series of preliminary diagnoses of new species of Laboul- 
beniaceze, by Dr. Thaxter, is issued as No. 23 of the current volume 
of Proceedings of the American Academy of Arts and Sciences. 
A convenient pocket host index for the commoner European para- 
sitic fungi, by Dr. Lindau, is published by Gebrüder Borntraeger, of 
Berlin, 
