30 West 50 St. IT. Y. City. 
19 May, 1931. 
Dear Collins:- 
I am sending you by the present mail a catalogue that 
contains an offer of the Lindberg. Obs. de Polytrichaceae Europa.e. 
as well as some other interesting items. I wish that T had the a 
cash available to purchase the same and others, but for the present, 
I must let them go. In fact I seriously think that until T getb 
the time to do some studying on mosses, I had best cut out the buy¬ 
ing of books. Sometime I would like the Catalogue back, as it has 
a good list of things in it for reference. 
Have you seen Covilles Bulletin on the blueberry culture ? 
I had a long talk with him at the meeting of the Washington Biolo¬ 
gists' Feeld Club, which I afctenden the 7th of May. The whole t& 
thing is very interesting, especially when taken in connection 
with Fernald's article on Alpine Plants. By the way, I see by fohe 
Evening Post, that there has boon a gift of $95000 to the Prey Her¬ 
barium for a new library building. Good for them. 
Thank you very much for the little pamphlet on the Rhode Island 
Arbor Day celebration. I recognised the illustrations as some that 
I sap when in Providence. 
Matters are going along rather tamely here, about as they 
always do towards the end of the year. The school is settling dw™n 
for the last lap of the race to examine,tions, and the work is getting 
more intensive during the day. But there is a little let up on 
