224, ^AST. lOTH ^T., J ■ 
- ^ J\I ov%mbei^8jj. 
luaossiiM 
Dear Sir: ^qhVS 
.1 send you, herewith, the proof of \\\€'-%3Qj^ntcal Directory, 
purposed - to be issued with, or as, the November No. of the 
Botanical Bulletin, and ask your kind assistance in making it as*' 
complete as "possible. You will double the favor by returning it 
with y our remarks as speedily "as may be convenient. ^ 
As it js based on that published by the Essex Institute some 
Nky'^rs i\is pfobablc that there have been many changes. 
Be so good as to mark with a cross those addresses which you 
know to be correct ; with a query those whose title you doubt ; 
to correct those which are wrong ; and to add what you can. 
It is desirable to embra'ce in this list all who are actively inter- 
ested in any department of the science, embracing anatomists and 
physiologists as well as systematists ; the students of fossil as well 
as of living planls^'^bf Cryptogams as well as of Phenerogams ; 
an*d likewise^the artists^ho illustrate thes%,subjecLs., ^ ^ 
By complying with this request you will much oblige. 
