96 



PROCEEDINGS OF THE ACADEMY OF 



[Feb., 



The flower buds of twigs from the University of Pennsylvania and 

 Geneva, New York, in water burst on February 15 and February 5 

 respectively. 



Golden Forsythia (Forsythia viridissima) . — 



Corrosive sublimate (strong). — Pennsylvania State College: Leaf 

 buds eased January 31; flower buds burst February 3; flowers open 

 February 7 ; first flower withered February 8. 



Corrosive sublimate (weak). — Storrs, Connecticut: No response. 

 Lexington, Kentucky: Leaf buds eased January 30; flower buds eased 

 January 30; flower buds burst January 31 ; flowers opened February 1 ; 

 first flower withered February 5; all flowers withered February 7. 

 No response with twigs from Pennsylvania State College, Lexington, 

 Kentucky, and Ithaca, New York, in weak and strong copper sulphate 

 and strong sodium chloride. 



Sodium chloride (weak). — Storrs, Connecticut: Flower buds eased 

 January 27. Lansing, Michigan: Flowers opened January 28; first 

 flower withered February 3. 



Ammonium nitrate (strong). — Lexington, Kentucky: Leaf buds 

 eased January 29; leaf buds burst January 31. 



Ammonium nitrate (weak). — Pennsylvania State College: Leaf buds 

 eased January 29; leaf buds burst January 31; first leaf unfolded 

 February 3; all leaves unfolded February 5; first leaf withered Feb- 

 ruary 7; all leaves withered February 24. 



Ammonium oxalate (strong). — Pennsylvania State College: Leaf 

 buds eased February 13; leaf buds burst February 4. Branches from 

 College Park, Maryland, and Ithaca, New York, gave no reaction. 



Ammonium oxalate (weak). — Storrs, Connecticut: No response. 

 Lexington, Kentucky: Leaf buds eased February 3. 



Potassium chloride (strong). — University of Pennsylvania: Leaf 

 buds eased February 1. Branches from College Park, Maryland 

 and Ithaca, New York, gave no response. 



