1910] Collins,— Sclerolepis uniflora in Rhode Island 13 
SCLEROLEPIS UNIFLORA IN RHODE IsLAND.— On the 29th of October, 
1909, while collecting in company with H. W. Preston and ‘Thomas 
Hope, the writer found several specimens of Sclerolepis uniflora (Walt.) 
BSP. growing in the sand between the rocks and larger boulders along 
the shore of Wallum Pond, in the town of Burrillville, Rhode Island. 
The plants were just coming into bloom, only a few showing fully 
opened flowers, the majority having small immature heads, often so 
small as to be almost invisible unless closely examined. Owing to the 
extreme drought of the past summer the water level of the pond had 
fallen about eight feet, and the plants were growing some distance from 
the water. If the pond had been at its normal level the plants would 
have been in from six inches to two feet of water. 
According to the 7th edition of Gray's Manual this plant is known 
to grow at only one station north of New Jersey, that being in New 
Hampshire. One noticeable difference from the published descrip- 
tions seems worthy of record. ‘The pappus of all the specimens exam- 
ined almost entirely lacked the horny texture usually recorded for this 
species.— J. FRANKLIN Corns, Providence, Rhode Island. 
COULTER & Nkrsow's BOTANY or THE CENTRAL Rocky Moun- 
TAINS.'— The appearance of a descriptive flora, bringing together in a 
single handy volume a considerable mass of scattered data, the results 
of some decades of taxonomic activity, is a notable event. For several 
reasons this is particularly true in regard to the new and exceedingly 
welcome revision of Coulter’s well known Manual. ‘The region cov- 
ered is one of exceptional diversity and biological interest. It is the 
seat of a rapidly increasing population and the attractive resort of an 
ever increasing number of tourists, for whose pleasure as well as 
information the present work will mean much. Notable in regard to 
the work is the fact that it has been prepared by a writer whose many 
years of residence in the region have given him first-hand acquaintance 
with a large percentage of the plants described. 
As to its geographic limits, it may be said that the work aims to 
cover all the vascular plants of Colorado, Wyoming, the Yellowstone 
Park, and the Black Hills, most of Montana, southern Idaho, eastern 
Utah, northeastern Arizona, and northern New Mexico. It describes 
about 2900 species and varieties, belonging to about 650 genera. 
1 New Manual of Botany of the Central Rocky Mountains (Vascular Plants), by 
John M. Coulter, Ph, D., Professor of Botany, University of Chicago, revised by Aven 
Nelson, Ph. D., Professor of Botany, University of Wyoming. $S8vo. 646 pages. 
American Book Co., New York, Cincinnati, and Chicago. 
