120 MISSOURI BOTANICAL GARDEN BULLETIN 
Common name Botanical name 
STREET AND AVENUE TREES FOR SECTIONS NOT AFFECTED 
BY SMOKE 
The above and 
PO ee ae Red maple 
Catalpa speciOsa...........05. Large Indian bean 
Celtis occidentalis............. Hackberry 
Liquidambar Styraciflua....... Sweet gum 
Liriodendron tulipifera........ Tulip tree 
PYUNUS SETOTING.. 2.2... cceceee Wild black cherry 
ge 2 eo White oak 
Quercus COCCINEE.........0000. Scarlet oak 
Quercus imbricaria............ Shingle oak 
QuerouUs DAWUBIIIS. «00... oes ee es Pin oak 
QUCFOUS TUOTE Ko cece ween Red oak 
Tilia AMETICANG... cc ecevvcees American linden 
OUNUS AMETICANA.... 2. 0cecene: White elm 
NOTES 
Dr. C. A. Weatherby, of Hartford, Connecticut, spent a day 
in the herbarium recently. 
Dr. B. M. Duggar, Physiologist to the Garden, spoke before 
the Town and Gown, October 15, on ‘‘The Japanese Problem 
in California,’’ and before the St. Louis Florists’ Club, Novem- 
ber 3, on ‘‘Mushrooms, Native and Cultivated.”’ 
Dr. Hermann von Schrenk, Pathologist to the Garden, ad- 
dressed the American section of the Society Chemical Indus- 
try, at the Chemists’ Club, New York, November 12, on ‘‘The 
Preservative Treatment of Wood, Its Broader Aspects and 
Some of Its Technical Phases.’’ 
Recent visitors to the Garden include Dr. Keita Shibata, 
Professor of Botany, Tokyo Imperial University, Tokyo, 
Japan, October 26; Mr. David G. Fairchild, Agricultural Ex- 
plorer in charge of Foreign Seed and Plant Introduction, 
Bureau of Plant Industry, U. 8. Department of Agriculture, 
Washington, D. C., November 13; Dr. Bohumel Shimek, of 
Iowa State University, lowa City, lowa, November 11-13. 
