50 
Mr. Meyer sent some of his collections to Dr. Shear, who found 
United States on the estnut tree n January 9 
ir r received a imen of chestnut ca om Dr 
Yamada, of th orioka Imperial College of Agriculture and 
Forestry, who ot coutet his discovery of the eames see a on ili- 
arity with tl 
Endothia radicalis is also indigenous in Japan on various haste 
and has been confused with the true chestnut canker, which it 
very much resembles 
Mr. F. S. Collins of North Eastham, Massachusetts, visited 
the Garden on February 25 in connection with his studies of the 
algae of Bermuda. Mr. Collins and Dr. M. A. fee e ee in 
press a joint paper on certain species of Halymenia, a genus of 
red seaweeds. 
The February number of Tree Talk contains an article by 
Dr. Fred J. Seaver on ‘‘An interesting case of tree girdling. 
tree in u n Cortlandt Park which is completely 
irdled and is still living. Alt the girdling took place 
apparently about six years ago the tree has continued to increase 
a he tr 
size above the point of girdling since that time, a condition 
which is almost unbelievable. 
n K. Small spent January in southern Florida where he 
Pane exploration in little-known areas. Especial attention 
was paid to the Addison Hammock, Royal Palm Hammock, 
and to Long Key in the Everglades. Several of the heretofore 
unexplored Florida Keys lying between Miami and Big Pin 
y were also visited. 
Several sets of specimens of grasses from Mexico recently 
received from the United States National Museum have be 
ounted and incorporated in the herbarium. 
