SMITHSONIAN INSTITUTION 
UNITED STATES NATIONAL MUSEUM 
S. P. LANGLEY 
8ECRETARY, 8MITHSONIAN INSTITUTION 
Mr* George E. Davenport, 
WASHINGTON, D. C., 
April 1st,1901. 
67 Fell sway West , 
Medford , Massachusetts. 
Dea r Mr. Davenport, 
I have selected the specimens of Dry- 
opteris vJhich you have agreed to look over, and will send 
them, to you later in the day. They should reach you by the 
middle of the week. 
I have page proof of my list, and the following points 
have come up which are not fully covered in its ranges. Does 
P. omithopus occur outside of Calif orniat Does C. rhizophyl - 
lus occur in Maine? Does A. pedatum occur in Texas? Does 
P. atropurpurea occur in any of the New England states b esides 
Vermont and Massachusetts? So far as / know the answer to all 
A 
of these queries is in the negative. I should like to know 
how far to the middle-west Athyrium acrost ichoides is known0 
extend. Georgia, Alabama, Illinois and Minnesota are its 
limits in the south and west, so far as I know. 
I think I shall not be troubling you again now , and I 
