(332) 
has published a paper on “‘ New or Rare African Mosses from 
Mitten’s Herbarium,” etc., inthe Bulletin of the Torrey Club,* 
with notes on others from New Zealand, Ceylon, and India 
in the Journal of Botany. Duplicates have also been sent 
during the year to Kew and the British Museum. Some 
South American specimens have been sent to Dr. Hicken, 
of Buenos Aires, and to Dr. Felippone, of Monte Video, 
and South American mosses have been exchanged and 
named by Mr. Williams for the National Museum. West 
Indian duplicates from each of the following islands have 
been returned to Cuba, Jamaica, Porto Rico, and Bermuda. 
Exchanges of North American species have been made 
with Cornell, Harvard, and Yale Universities, and with 
other correspondents located in ten different states. Con- 
tributions in duplicate have been made from the Allen 
and Howe collections to the sets of exsiccatae being issued 
by Dr. Grout and Professor Holzinger. 
Dr. A. LeRoy Andrews has continued his cooperation 
for North American Flora and has received a large collection 
of critical or unnamed Bryums for study. Dr. Evans has 
also continued the investigation of our West Indian He- 
paticae, and Miss Haynes has assisted with several small 
collections. Duplicates of our lichens from Porto Rico 
have been sent by Mr. Williams to Dr. Lincoln W. Riddle. 
Mr. George E. Kaiser has codperated with us by naming 
various miscellaneous North American collections, includ- 
ing the set of Canadian arctic mosses collected by Mr. T. 
Johansen between Behring Straits and Coronation Gulf. 
Mr. R. S. Williams has begun on the large and troublesome 
family of Pottiaceae for North American Flora and I have 
continued my studies on Fissidens, 
During the year, three additional essays on wild flowers 
necding protection, illustrated by the aid of the Stokes 
Fund, have been issued, and framed pictures including 
twelve colored plates have been sent to the Women’s Farm 
and Garden Society and unframed pictures and literature 
* Bull. Torrey Bot. Club 43: 63-81. 1916. 
