Frost Injury to Floivers. 325 



Upon the 8th of May, 1897, a temperature of 27 

 (5 degrees of frost) was recorded by self -registering 

 thermometers hung in fruit trees at Cornell, but no 

 injury resulted. At this time, all the petals had 

 dropped from apricot flowers, but the calyx ring had 

 not yet fallen from 

 the young fruits ; 

 peach flowers were 

 in full bloom, but 

 their fertilization had 

 mostly taken place ; 

 Japan plum flowers 

 were just dropping, 

 and pear flowers were 

 open, but not yet 

 fully fertilized. 



Young fruits of 

 apples and pears 

 may sometimes re- 

 cover from a severe 

 freeze and make per- 

 fect specimens. It 



is even insisted by Fig rg Frost injury Oll ym 

 some careful observ- 

 ers that they sometimes recover even if frozen solid 

 shortly after they are "set," the fruits failing to de- 

 velop perfect seeds thereafter.* Fruits which are 



* "The freeze of May, 1895, froze the fruit solid. The center of each pear 

 turned black, and yet they persisted in growing. There were eighty barrels. 

 I doubt if there was a seed or core in the whole lot. The quality was the 

 best that I have ever seen." Extract from letter from Benj. F. Hawes, Oak- 

 field, N. Y, 



