IN AN ORDINARY GREENHOUSE 85 



angles of each set of boards will allow ample room for 

 body and shoulder of full, well-developed bunches with- 

 out bringing them in contact one with the other. 



TREATMENT OF VINES IN AN ORDINARY GREENHOUSE 



Decent grapes may be grown in a greenhouse of either 

 small or large dimensions by the exercise of forethought 

 and judgment. A greenhouse generally contains flower- 

 ing plants, and consequently requires a somewhat dry 

 and airy atmosphere day and night during the late 

 spring, summer, and early autumn months. Therefore 



the vines cannot be syringed nor can the house be 

 closed early, as recommended for vines growing in 

 specially erected houses, as this would be very injurious 

 to the flowering plants. However, assuming the vines to 

 be growing in congenial soil and to be healthy and active 

 at the roots, they make a more short-jointed, if less rapid, 

 growth in a greenhouse on account of the free circulation 

 of fresh air constantly playing among the vines day and 

 night than they do in a vinery proper. Assuming that 

 the vines are growing outside either in the natural soil 



