80 MISSOURI BOTANICAL GARDEN BULLETIN 
of the University of Missouri on “Physiological Significance 
and Heredity of Color in Plants.” 
Material additions to the laboratories have been made in 
the last few weeks in the way of special work tables for physio- 
logical-chemical investigations. 
STATISTICAL INFORMATION FOR APRIL, 1913. 
GARDEN ATTENDANCE: 
Total samber of vistors. 25523. 2 eS 32,272 
SEED ExcHANGE: ‘ 
Total number of packets distributed.................. 2,755 
Total number of packets received..................... 1,846 
LIBRARY ACCESSIONS: 
Total number of books and pamphlets bought.......... 48 
Total number of books and pamphlets donated......... ee i} 
HERBARIUM ACCESSIONS: | 
By Exchange— 
Arnold Arboretum—Texas plants ..................04. 3 
Philip Dowell—North American plants................. 393 
S. S. Visher—South Dakota plants.................... 330 
By Purchase— 
H. Sydow—“Fungi exotici exsiccati”.................. 100 
E. Gilg-~—Kamerun: plants: <io00o25 sok 111 
W. E. Broadway—Tobaga (W. I.) plants.............. 101 
W. Krieger—“Fungi saxonici, fase. KLV”............. 50 
T. S. Brandegee—Mexican plants, collected by C.A. Purpus 356 
B. F. Bush—Missouri, Minnesota, and Illinois plants... 521 
By Gift— 
Caroline C Haynes—North American Hepatice......... 20 
G. H. Pring—Cultivated plants ..................0000 30 
C. O. Rosendahl—Photographs of Nitella.............. 21 
B. ¥. Bush—Missouri plants «©. .2 2. 60s050 ese tks 88 
B. M. Duggar—Alabama plants ..................... 6 
University of Nevada—Specimens of Trifolium......... 5 
