•CNash 
Clifton, Passaic Co, n.j. 
tan. 
. , — April loth, /<?& 0. 
Dear Dr* Watsom, 
Your letter at hand. You ask the extent of Dr. Thur- 
ber's Herbarium, and what dispotition is to be made of it. 
I have just returned frcra Mr. Woolson's, Doctor's son-in-law, 
and he told rue that the Doctor had willed his herbarium to Harvard 
College, and his library to his nephew, Harry Wool son. Of course 
Ido not care about myself being quoted as an authority for such 
news. This is simply what Mr. Woolson told rue. I am very glad 
the herbarium has been left to Harvard, as all such herbaria, as 
valuable as the Doct or ' s , - shoul d be left to some such institution. 
The Graraineae of the herbarium is undoubtedly very fine and 
complete, as to North American forms. The rest I do not know so 
much about as I did not work in it at all. You will be able to 
judge of it, however, when you get it there. 
Nov/ I want to ask you a few questions. I need some botanical 
works, and I intend to purchase them one at a time as I can afford 
it. Where can I procure your "Botany of the 40th Parallel", and 
"Dr. Rothrock's Botany of the Wheeler Survey?" And what would be 
