Frost Injury to Flowers. 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. £8. Frost injury on young Kieffer pears. 
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 
pest that I have ever seen.”—Extract from letter from Benj. F. Hawes, Oak- 
field, N.Y. 
