THIRTEENTH ANNUAL REPORT OF THE DIRECTOR. 21 
exchange for material or publications, 3,715 were collected 
by employees of the Garden, and 5,544 were bought. 
The Secretary’s books show that the expenditure on the 
herbarium for the year amounts to $1,175.39. During the 
year 20 mounted sheets, valued at $3.00, and 2,325 un- 
mounted specimens, valued at $116.25, were distributed to 
DIAGRAM G, 
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40000 Z i J 
FAN ie 
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+20000. — eres 
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VISITORS ON SUNDAYS — BY YEARS. 
other institutions, by way of exchange, while various frag- 
ments, of no nominal value, were sent to correspondents 
for research purposes. Forty-eight sheets further were 
withdrawn from the mounted collection and laid away for 
exchange purposes. 
The mounted herbarium, as now constituted, consists of 
the following material : — 
The Engelmann Herbarium (all groups) about . . . 97,800 specimens. 
The General Herbarium :— 
Higher plants. 
The J. J. Bernhardi Herbarium . 61,121 
The J. H. Redfield Herbarium . 16,447 
Other specimens . . . . . . 165,643 243,211 a 
Thallophytes. 
The J. J. Bernhardi Herbarium * 126 
Other specimens .... . . . 28,816 28,942 - 
Making atotalof about . . . . . 364,953 
22 re en s O rw 
* So far as yet incorporated. 
+ This valuation, at the rate of $15.00 per hundred mounted sheets. 
