186 
6 colored lantern slides of loco weeds. (Given by Dr. Arthur Facies 
oe 
6 colored lantern slides of Nelumbo lutea. (Given by Mrs. itton.) 
6 negatives of Nelumbo lutea. (Given by Mrs. N. L. Britton. 
1 colored slide of Calla palustris. (Given by the State Misinas Albany, 
New York.) 
262 specimens of lichens from the Philippine Islands. (By exchange with 
the Bureau of Science, Manila.) 
20 specimens of freshwater algae from British Columbia. (By exchange 
with the Poiiaes of Pennsylvania. 
3 specimens of Halimedia from Samoa. (By exchange with the University 
oO! ni 
) 
41,300 specimens of marine algae—The F. S. Collins herbarium. (Given 
y Dr. N. L. Bri 
69 specimens of orchids from the Philippine Islands. (By exchange with 
Mr. Oakes Ames.) 
483 specimens of flowering plants from Massachusetts. (By exchange with 
Harvard University.) 
4 specimens of coralline algae from Bermuda. (Given by Professor W. A 
Setchell.) 
1 photograph of Monoplegma sphaerospermum. (By exchange with the 
Uni 
81 specimens of grasses and other flowering plants. (By exchange with 
the Ro 
3 specimens of water-fern— Ceratopteris deltoidea—from Porto Rico. (Given 
by Mrs. F. S. Ea - .) 
30 specimens of flowering plants from North America. (By exchange with 
the United States a Museum.) 
2 specimens of Petalostemon and Trepocarpus from Alabama. (Given by 
Dr. R. 
oe 
45 prin of flowering plants from tropical America. (By exchange with 
e United States pea M neo 
14 ae of Bermuda. (Given by Dr. A. B. Hervey.) 
9 specimens of eae, a from New Brunswick. (By exchange with 
Harvard Univer: 
13 photographs of fae Gk plants. (By exchange with the United States 
tional Museum. 
42 specimens of mosses from British Columbia. (By exchange with Mr. 
William R. Taylor. 
75 specimens of mosses from Alaska. (By exchange with Mr. William S. 
Cooper.) 
6 specimens of mosses from Alaska and Hawaii. (By exchange with Mr. 
P. O. Schaltert.) 
13 specimens of mosses from North America. (By exchange with Dr. A 
J. Grout.) 
a 
35 specimens of mosses from Venezuela. (By exchange with Mr. H. Pittier.} 
79 saa of ead from Mount Ranier, Washington, (By exchange 
h Dr. J. B. Flett.) 
