MISSOURI BOTANICAL GARDEN BULLETIN 13 
Statistical Summary (For the year ending December 31, 
1922).— 
Number of specimens received on new accessions: 
By purchase....... 7,493 
MEW BREE isi gerne acta 1,101 
By exchange....... 1,739 
By field work...... 3,000 
Otel: sno. 13,333 valued at $1333.30 
Number of specimens mounted and 
incorporated ...... 12,332 valued at $2466.40 
Number of specimens discarded from 
the herbarium..... 276 without value. 
Number of specimens in organized 
PO PITOUNIE onc stew ask <8 66 6 aKa Se 898,364 valued at $139,559.90 
Number of specimens in unorganized 
MCP EUID sieeve eee ieee Dee 68,168 valued at 5,473.46 
Wood specimens, etc., supplementing 
RED ge CW (i 111 Pee aa eed valued at 280.00 
PRICEOMCODOG 'BILGOS: GUC > 50566. 4:4/y-a1b acs Sete ave a gees valued at 410.00 
ree Cou Wad SeDe pow ane eee baw cae pains a Cn 
LIBRARY 
The daily library work of checking up and entering the 
current numbers of the hundreds of serial botanical publica- 
tions which the library receives annually, collating the volumes 
for binding after their parts have made the round of the 
scientific staff, and finally distributing the bound volumes and 
other accessions of the year in their respective sections of the 
library, has been kept well in hand throughout the year. 
There have been few opportunities to pick up from sales of 
botanical libraries volumes lacking in our serial sets or other 
desiderata long since out of print, for the German dealers in 
such works now issue few and scanty lists instead of the 
voluminous catalogues of former times. Leipzig has been the 
principal mart for scientific books. 
Use of Library by Botanists Not Connected with the Garden. 
—Many botanists have visited the Garden during the year to 
work up or to consult the literature in their special fields. 
There have been loans on the interlibrary plan of 129 books 
to 29 institutions for use by their botanists. 
Cases for Linnaean and Prelinnaean Sections.—Steel cases 
having doors with locks, and containing about 215 feet of 
shelving, so spaced as to accommodate the rare illustrated 
herbals of the Prelinnaean period, which are the beginnings 
