THE ROHAN POTATOE. 397 
animal manure having been for more than a year 
exposed in the open air, I thought to revive its 
qualities by sprinkling it with a solution of nitre. 
The season, unfavourable in general, limited my 
crop to 8sibs. per set; but I got larger tuber- 
culas than in the preceding year, and my finest 
weighed 5ibs. 100zs. They are generally hea- 
vier than their volume seems to show ; and, from 
an experiment I made upon one potatoe, they lose 
one-ninth in weight for a month after they have 
left the ground. The same tried upon a good 
pink-eye potatoe did not give me more than a 
diminution of one-twelfth. 
I must mention, that, considering the recom- 
mendation of using sticks might prevent this tu- 
bercula being cultivated upon a large scale, I dis- 
pensed with the use of this article, for my last 
year’s crop, and left the plant to take its natural 
direction. The result showed that I had not left 
out the sine gua non. 
When boiled, this potatoe is rather yellow 
than white ; not so mealy as other good species, 
but more tasteful. I should recommend to slice 
the larger ones, when employed for the table. 
In France, where the culinary art seldom allows 
