92 Prof. J. Le Conte on the Freezing of Vegetables. 
fluid contained in the petioles as well as that of the mid-ribs and 
lateral veins was completely frozen. By making a transverse of 
longitudinal section of them, the dcicles could be scraped out with 
the edge of a knife. No indications of congelation could be de 
tected in the parenchyma and smaller veinlets. At the time these 
observations were made, I had no thermometer with me; —put 
the weather was quite moderate ;—the temperature at sunrise 
could not have been below 28° Fahr. ‘The cabbages were ui 
injured, although most of them were exposed to the direct action 
of the sun. Subsequently, the leaves of the Gardenia Florida 
were, on several occasions, observed to be frozen during the frosty 
mornings in December. They were curled backwards, and welé 
So rigid as to break when an attempt was made to bend them. 
Th 2 foliage was not injured by this degree of cold, although its 
Yy no means a hardy plant. 
Doubtless, such facts are familiar to every practical horticultur 
ist; nevertheless, I was anxious to ascertain whether the freezing 
ever involved the woody structures, and, if so, what was the effect 
on the plant. 
ed themselves for extending these observations. On the morning 
less to state, that the r 
were uninjured. 
