( 108 ) 
Volume 34, part 2, containing descriptions of the family 
Carduaceae, by P. A. Rydberg and H. M. Hall, appeared 
July 28, 1915. 
Volume 17, part 3, containing descriptions of the family 
Poaceae (pars), by G. V. Nash and A. S. Hitchcock, ap- 
peared December 20, I9I5. 
BULLETIN 
Bulletin No. 32, with 83 pages, was issued March 31, 
1915. It contains the annual reports of the Director-in- 
Chief and other officers for the year 1914. 
MemoIrRs 
Volume V. Flora of the Vicinity of New York, by 
Norman Taylor. vi + 683 pp., with 9 plates, was issued 
January 30, 1915. 
CoNTRIBUTIONS 
No. 174. West Indian Mosses—II. Mosses of the 
Danish West Indies and Virgin Islands, by Elizabeth G. 
Britton. 
No. 175. The Vegetation of Mona Island, by N. L. 
Britton. 
No. 176. Phytogeographical Notes on the Rocky Moun- 
tain Region—IV. Forests of the Subalpine and Montane 
Zones, by P. A. Rydberg. 
No. 177. Mosses of Bermuda, by Elizabeth G. Britton. 
No. 178. Notes on Rosaceae—IX, by P. A. Rydberg. 
No. 179. Studies of West Indian Plants—VI, by N. L. 
oe 
No. Mosses from the West Coast of South America, 
by R. Williams, 
No. 181. The Origin of Dwarf Plants as shown in a 
Sport of Hibiscus oculiroseus, by A. B. Stout. 
No. 182. Notes on Rosaceae—X, by P. A. Rydberg. 
No. 183. Studies of West Indian Plants—VII, by N. L. 
Britton. 
