POTATOS: EXPERIMENTS IN CULTIVATION, ETC. H7 
varieties have again to be tested, as it is only after Christmas that 
some are at their best. 
In addition to the varieties mentioned in the Table, two of which 
the powers of resisting wart disease are at present unknown, and four 
varieties which are known to be susceptible to the disease, were 
grown, viz. : — 
Wart-resistance not ascertained. 
' Keen's Seedling,' an early white kidney variety, sent by Mr. 
Notcutt. Crop, 85 lb. 8 oz., including 1 lb. 12 oz., chats. Seed grown 
in Suffolk. 
' Western Hero,' an early white variety, sent by Messrs. R. Veitch. 
Crop, 93 lb. 10 oz., including 31b. 8 oz. chats. (Devonshire seed.) 
Introduced by Messrs. R. Veitch. XXX October, 1917. 
Non-resistant varieties. 
15. ' Midsummer Early,' an early white round variety, introduced 
and sent by Mr. Findlay. Crop, 129 lb. 6 oz., including chats 9 lb. 2 oz. 
Seed grown in Scotland. 
A. ' Arran Chiel,' a late white round variety, sent by Messrs. R. 
Veitch. Crop, 142 lb. 8 oz., including chats 5 lb. 19 oz. (Scotch 
seed.) Raised by Mr. D. McKelvie. A.M. 1915. 
Bi. ' Dalhousie, ' a late white variety of the ' Up-to-Date ' class 
from Mr. R. G. Holmes. Crop, 59 lb., including chats 1 lb. 15 oz. 
from 20 tubers. (Scotch seed.) A.M. 1905. 
B2. ' Up-to-Date,' a late white variety from Mr. R. G. Holmes. 
Crop, 75 lb. 10 oz., including 1 lb. 8 oz. chats, from 20 tubers. (Scotch 
seed.) 
DESCRIPTIONS. 
I. — Early Varieties. 
a. Tubers kidney, white. 
2. Resistant Snowdrop. — Plant dull yellowish green ; haulm 
2 ft. 6 in., sub-erect, tinged ; foliage medium, smooth ; flowers white, 
many, persistent ; tubers medium to large, rather variable in shape, 
rough, russeted ; eyes shallow, eyebrows inconspicuous ; flesh 
nearly white, firm ; fairly mealy, white when cooked. Crop, 118 lb. 
2 oz. ; scabbed.* Lifted Aug. 13. Introduced by Messrs. Dobbie. 
b. Tubers round or flat, white. 
1. Ai. — -Plant shining deep green ; haulm 18 in. to 24 in., spreading, 
tinged ; leaves of medium size, somewhat wrinkled ; flowers white, 
few, dropping ; tubers medium, smooth, yellowish white ; eyes of 
medium size with rather prominent eyebrows ; flesh yellow, firm ; 
* The term " scab" refers to the common, skin-deep scab, not to the wart 
disease, or black scab. 
