412 



BOTANICAL GAZETTE 



[DECEMBER 



Fig. 13.^ — Battery of white elms putting out new leaves; photographed May i 



Sep^ZO- Sep^Z4^ Sep^28- Ocf.5- 

 <i4n^?4 <^d^^i2 fi Or.tJi 0411 



Fig. 14. — Average daily losses in grams from seven i-year-old elm trees; Sep- 

 tember 20 to October 26, 191 7. 



