(187 ) 
§ figures. Twenty-nine species of fungi were illustrated in 
their natural colors in this volume. 
Buu.eETIn 
BULLETIN no. 27, with 87 pages, was issued March 14, 
1912. It contains the annual reports of the Director-in- 
Chief and other officers for the year I19II. 
BULLETIN no. 28, with 170 pages and 9 plates, was issued 
November 23, 1912. It contains “‘New Species from 
Bolivia, Collected by R. 8. Williams—II,” by H. H. Rusby; 
“The Polyporaceae of Mexico,” by W. A. Murrill; “Addi- 
tions to the Paleobotany of the Cretaceous Formation on 
Long Island. No. I,” by Arthur Hollick. 
CONTRIBUTIONS 
Contributions by members of the staff or students of the 
Garden, reprinted during the year from other than Garden 
publications, are as follows: 
No. 147. “Studies of West Indian Plants—IV,” by 
Nathaniel Lord Britton. 
No. 148. “List of Plants Collected on the Peary Arctic 
Expedition of 1905-06 by Dr. L. J. Wolf, and of 1908-09 by 
Dr. J. W. Goodsell,” by P. A. Rydberg. 
No. 149. “Studies in Pyrophilous Fungi—III. The 
Viability of the Spores of Pyronema,” by Fred. J. Seaver. 
No. 150. “The Individuality of the Chromosomes and 
their Serial Arrangement in Carex aquatilis,” by A. B. Stout. 
o. 151. “Studies on the Rocky Mountain Flora— 
XXVI,” by Per Axel Rydberg. 
No. 152. “The Genus Struthiopteris and its Repre- 
sentatives in North America—I,” by Jean Broadhurst. 
0. 153. “Studies on the Rocky Mountain Flora— 
XXVII,” by Per Axel Rydberg. 
No. 154. “Biochemical Studies of Soils Subjected to 
Dry Heat,” by Fred J. Seaver and Ernest D. Clark 
No. 155. “‘Polycodium,” by C. B. Robinson. 
