THE CULTURE OF THE GRAPE. 155 



upon it, and the tobacco allowed to smoulder, causing 

 smoke and not heat. 



CCLTUEE IN THE OPEN AIE. 



The mildew at the north, and the rot at the south, ren- 

 der the cultivation of foreign varieties of the grape, in 

 the open air, in this country, almost useless. The difB- 

 culty is not with the season ; this is long enough to ripen 

 many kinds, were it not for the above trouble. I have 

 seen, in my garden, the Early Black July perfectly coloi-- 

 ed the first of September ; but the leaf was so injured by 

 mildew that the grapes did not sweeten, or obtain any 

 flavoi'.* 



In some of our cities, they occasionally ripen very 

 well. If it is desired to make the attempt, the border 

 should be made with care, in the same way as directed 

 for house culture ; they may be trained by any of the 

 systems described ; prune them, and thin the berries in 

 the same manner as if in the house. 



The Pitmaston White Cluster, Early Black July, Gold- 

 en Chasselas, and Esperione are recommended as the 

 best for cultivation in the vicinity of Boston ; further 

 south, the Black Hamburgh and Frontignans may be 

 added to the list; and south of 40° north latitude, the 



* Application, to the foliage of the vine, of sulphur, in a free manner, is 

 the only effectual remedy of which I can speak practically ; other remedies 

 have been recommended, such as lime, ashes, etc., to the soil. Apply f^e 

 sulphur early in the morning when the leaves are wet, and renew it as 

 often as the rain washes it away. 



