170 AMERICAN GARDENER. 



the middle) sow some early pea again and also 

 some marrowfats and Knight Pea; and these will 

 give you peas till September. Sow some of each 

 sort middle of August, and they will give you 

 green peas till the hardish frosts come. But, 

 these two last sowings (June and August) ought to 

 be under the South fence, so as to get as much 

 coolnesf^LS possible. 



242. PENNYROYAL. A medicinal herb. 

 It is perennial. A little patch, a foot square is 

 enough. 



243. PEPPER. See Capsicum. 



244. PEPPER GRASS. See Cress. 



245 POTATO. Every body knows how 



to cultivate this plant ; and, as to its preservation 

 during winter, if you can ascertain the degree of 

 warmth necessary to keep a baby from perishing, 

 you know precisely the precautions required to 

 preserve a potato. As to sorts they are as nu- 

 merous as the stones of a pavement in a large 

 city ; but, there is one sort earlier than all others, 

 It is a small round, white potato, that has no 

 blossom, and the leaf of which is of a pale green, 

 very thin, very smooth, and nearly ot the shape 

 and size of the inside of a lemon cut asunder 

 longways. This potato, if planted with other 

 sorts in the spring, will be ripe six weeks sooner 

 than any other sort. I have had two crojis 

 of potatoes ripen on the same ground in the 

 same year, in England; the second crop from 

 potatoes of the first. Two crops could be raised 

 in America with the greatest facility. But, if 

 you once get this sort, and wish to keep it, you 

 must take care that no other sort grow with it, 

 or near it ; for, potatoes of this kind mix the 



