In sending specimens of plants for investigation it is desirable 
to include the entire plant; if it is too large, portions showing 
leaves, flowers, and fruit arc sufficient. It is best to prepare tiie 
spechueuB by drying them under pressure between folds of absorb- 
ent paper, ulhorwise the parts may shrink and break so as to be 
hardly rccognivjiblH. When dried plants are sent ‘they should be 
protected IVoni breakage in the mall by being inclosed in sheets of 
ilnitcb States department of '^Vgriculture, 
paper between pieces of stiff pasteboard. If specimens are to be sent 
fresh, inoifiten tJicin slightly and pack them tightly in a box or in a 
bundle, wrapping them In heavy paper. Write the name of the 
sender on the otitside. In the letter accompanying tlie spcciimns 
state where each plants was collected, the dale, the name of tlie 
collector, and add any otlier notes in regard to the economic value 
of the plant. 
Washington, (D. C.,__ _ May ^Xy -iSg:. 
My dear Mr. Wat son. 
Your letter is just at hand 
I do not mean to change Eupatorium dissectum, but it is cer- 
tainly very close to Ho^fmeisteria. Yes I saw Bentham's note in 
Gen. PI. I just looked over iny letter to Baker and I did not ask 
him for the determination of the Mallows seht him. Therefore your 
name will be used. 
I am just now reading "Galley proof", can you send me on your 
description. 
Respectfully, 
