272 AMERICAN GRAPE CULTURE. 



or vineyard the next, under the following man 

 agement : 



&quot;Plant as just directed. As early in the 

 morning as the atmosphere begins to be warmed, 

 take off the cover, placing it bottom side up back 

 of the l house/ to let the under side dry. At about 

 eight o clock put on the cover, to remain till 

 four or five, if the day should be very hot and 

 clry, or windy. The state of the weather must 

 also regulate the time of taking it off in the 

 morning. A little before sunset it is to be put 

 on for the night. The cover should be placed so 

 that the opening on each side of it will be 

 equal ; that is, about an inch and a half each, if 

 the board is one foot wide, which is about the 



Fig. 109. 



right proportion. Notches in the battens may 

 regulate this with certainty. 



&quot; This arrangement may be continued to any 

 length desired, or maybe multiplied indefinitely. 

 It may also be made larger for the production 

 of stronger plants, as represented in the illus- 



