AND ITS DISEASE. 39 



ing occurs, and as the peach is more sensitive to a 

 few days of warm sun on a southern exposure than 

 almost any other fruit, a northern exposure may 

 save the crop, while on the south it may be par- 

 tially or entirely destroyed ; a total destruction, 

 however, is but seldom. I hare remarked it but 

 once in forty years, but this difference may occur 

 more frequently on hilly or mountainous regions, 

 where the declivities are great and the exposures 

 have a great difference of temperature. My or- 

 chards were on what rnay be called rolling land, 

 not very hilly, one field about equally divided by 

 a narrow valley, giving the orchard on one side 

 quite a northern exposure, and on the other about 

 the same exposure south.- Occasionally I have no- 

 ticed the crop on the northern exposure the heav- 

 iest; but one season, and one only, the crop on the 

 northern exposure was good, while the south was- 

 almost an entire failure. My orchards presented 

 almost every exposure, but I have not noted much 

 difference in the effect of frost, except the one I 

 have referred to. In Maryland the land is gener- 

 ally flat, and the question as to exposure does not 

 arise, but even there, there is a choice in location 

 governed mainly by the influence of large bodies 

 of water modifying the temperature and affording 

 in their vicinity protection from late frosts. Such 

 locations are greatly preferred by the peach grower, 

 for although he is south, still he is subject to losses 

 in his fruit crop more so than in Pennsylvania, and 



