28 MISSOURI BOTANICAL GARDEN. 
In addition to the herbarium proper, the following ma- 
terial should be noted: — 
Wood specimens of various sizes . . . . 1,027 valued at $100 00 
Wood veneers by Hough and others . . 2,354 wd “ 165 00 
Microscope slides by Penhallow and others 1,051 td és 250 00 
Together ........ . 4,489 a «$515 00 
THE LIBRARY. 
As inearlier years, a satisfactory growth of the library is 
to be noted. In 1903, 353 books, valued at $651.40, and 
169 pamphlets, valued at $46.45, were presented or re- 
DIAGRAM J. 
as | | | a 
0 
ie) a [e) om N ° 
a Fy S 3 & = 
a 
40000 am 
a ee a 
30000 
BOOKS AND PAMPHLETS. 
ceived in exchange for Garden publications; and 505 
books and 11 pamphlets were obtained by purchase. 
The present total, therefore, is 42,262 books and 
pamphlets, or an increase of 9,618, or 29.4 per cent, 
over the 32,643 contained in the library at the end of 
1898.* This is an average of about 6 per cent for each of 
the last five years, the exact distribution of the growth 
being indicated by the accompanying diagram which shows 
that the customary growth was experienced in 1903, that 
for the preceding year having been unusually great. 
* Rept. Mo. Bot. Gard. 10 3 19. 
