1909.] 



NATURAL SCIENCES OF PHILADELPHIA. 



83 



Cherry (Napoleon Bigarreau). — 



No response of twigs from Pennsylvania State College in strong 

 ammonium oxalate and strong hydrochloric acid. In water the flower 

 buds were eased on January 30. 



Cherry (Morello). — 



No response of the twigs from New Brunswick, New Jersey, in strong 

 copper sulphate ; of those from Pennsylvania State College in strong 

 potassium bisulphate; of those from Amherst, Massachusetts, in weak 

 potassium bisulphate; of those from Pennsylvania State College in 

 strong hydrochloric acid. 



Sodium chloride (strong). — New Brunswick, New Jersey: Leaf buds 

 eased January 28. 



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

 buds eased January 28; flower buds eased January 29. 



Ammonium oxalate (weak). — Amherst, Massachusetts: Leaf buds 

 eased February 8; flower buds eased January 29; flower buds burst 

 February 3. 



Potassium chloride (strong). — New Brunswick, New Jersey: Leaf 

 buds eased January 30; flower buds eased January 30. 



Sodium bicarbonate (weak). — Amherst, Massachusetts: Flower buds 

 eased January 29; flower buds burst February 3. 



Nitric Acid (strong). — Pennsylvania State College: Leaf buds 

 eased January 31 ; flower buds eased January 29. 



Water. — 



Peach (Early Crawford). — 



No response as tabulated below : 



Corrosive sublimate (strong). — College Park, Maryland. 



Copper sulphate (strong). — College Park, Maryland. 



Sodium chloride (strong). — College Park, Maryland. 



Ammonium nitrate (weak). — College Park, Maryland. 



Water. — College Park, Maryland. 



