88 PROCEEDINGS OF THE ACADEMY OF [Feb., 



Copper sulphate (weak). — Storrs, Connecticut: Leaf buds eased 

 February 3; leaf buds burst February 4. 



Sodium chloride (weak). — Lafayette, Indiana: Leaf buds burst 

 February 3;. first leaf unfolded February 7; all leaves withered Feb- 

 ruary 24. 



Storrs, Connecticut: Leaf buds eased January 31; leaf buds burst 

 February 3 ; first leaf unfolded February 7 ; first leaf withered February 

 11; all leaves withered February 14. 



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

 Lansing, Michigan : Leaf buds eased February 4. 



Potassium chloride (weak). — Storrs, Connecticut: Leaf buds eased 

 February 4. Lansing, Michigan: Leaf buds burst February 3; first 

 leaf unfolded February 5; all leaves withered February 11; flower 

 buds eased January 29. Lafayette, Indiana : No response. 



Sodium bicarbonate (weak). — Storrs, Connecticut: Leaf buds burst 

 February 1; first leaf unfolded February 7; all leaves withered Feb- 

 ruary 21. Lafayette, Indiana: Leaf buds eased February 1. 



Potassium bisulphate (weak). — Storrs, Connecticut: No response. 

 Lafayette, Indiana: Leaf buds eased January 31; leaf buds burst 

 February 1. 



Hydrochloric Acid (strong). — Storrs, Connecticut: No response. 



Acetic Acid (weak). — Lafayette, Indiana: No response. 



Water. — New Brunswick, New Jersey: No response. Storrs, Con- 

 necticut: Leaf buds eased January 31; leaf buds burst February 3. 

 Lansing, Michigan : Leaf buds eased February 1 ; leaf buds burst 

 February 3. Lafayette, Indiana: Leaf buds eased February 1; leaf 

 buds burst February 3; first leaf unfolded February 4; all leaves 

 unfolded February 21; first leaf withered February 21. 



Pear (Kieffer). — 



Corrosive sublimate (weak). — Storrs, Connecticut: Leaf buds eased 

 February 4; leaf buds burst February 7. Lansing, Michigan: First 

 leaf unfolded January 31; all leaves unfolded February 4; first leaf 

 withered February 8; all leaves withered February 11; flower buds 

 eased January 27 ; flower buds burst January 28 ; flowers open January 

 29; first flower withered February 3. Lafayette, Indiana: Leaf buds 

 eased January 31; leaf buds burst February 3; first leaf unfolded 

 February 5; all leaves unfolded February 8; first leaf withered Feb- 

 ruary 11; all leaves withered February 14. 



Copper sulphate (weak). — Storrs, Connecticut: No response. Lan- 

 sing, Michigan: Leaf buds eased January 31 ; leaf buds burst February 



