OAKES AMES, director. 
June 19th., page three, 
BOTANIC CARDEN OF HARVARD UNIVERSITY, 
CAMBRIDGE, MASS. U.S.A. 
way as a catnera-luoida artist, there will be time enough 
when I return from abroad to fit you out with a more up-to- 
date equipment. Improvements, however, are more meohanioal 
t 
than optical The oamera-lucida is by no means a royal road 
to artistic rendering of botanical details. 
The last time I saw metal presses in use was In Rio 
d© Janeiro in 1915, Ur, LiJfgren was using them at the Bot¬ 
anic Garden, We have discarded this type of press here, as 
the wooden ones do the work just as well and are wholly 
satisfactory. I doubt very much if the metal ones can be 
obtained in this vicinity. The wooden slat presses are 
now used by all of our leading herbaria. Furthermore they 
are better adapted for taking into the field. 
Please send list of plants of which you only have one 
specimen ao that I can mark the specimens already taken 
from them as types, or actual records of Schlechter’s de¬ 
terminations. This is such an important part of the busin¬ 
ess that it comes up first In my mind when I review your 
material. It would be wonderful thing to reserve a few 
flowers from the specimens sent to Sohleohter so that I 
could have here a "control Set". These flowers could be 
kept in pockets,and when new, marked with the type label. 
They would be an everlasting check on his published work. 
The Habenaria ?Jarscewiczil-avioula mix-up, alarmed me to 
an unpleasant extent. 
If you use the Ridgeway color standard when you make 
