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AMERICAN GRAPE CULTURE. 



rity of the crop. It may be some favorite vine, 

 the fruit of which is highly prized, or it may be 

 a new kind which we are anxious to test, and 

 an unseasonable frost, if not provided against, 

 will blight our hopes. In such cases, a shelter 

 like that shown in Fig. 147 will serve to protect 

 a single vine, or a whole row, as the case may 

 be. The cover can be made of straw, or thin 

 boards ; or a light frame may be made, and 



Fig. 14T. 



covered with brown muslin, which might hang 

 over the sides a foot or so with advantage. The 

 manner of bracing the posts is plainly seen in 

 the engraving. It is in use by the French. 



Fig. 148 shows an arrangement for protecting 

 vines growing against walls. Though intended 

 for the first two rows of a Thomery, it can be 



