46 The Potato 



eyes sometimes considerably depressed; skin nearly white; flesh 

 fine grained. 



Irish Cobbler. — Of unknown origin. Season extra early. 

 Tubers nearly round, large ; eyes good ; skin russet, finely netted ; 

 flesh white. Similar or identical with variety Eureka. 



Pearl, Midseason. — Vines strong, medium to large ; stems me- 

 dium dark green, rather stocky; erect at first, bending over as the 

 season advances. Leaves large, flat, medium dark green. Flowers 

 wliite. Tubers medium to large, round-flattened to heart-shaped, 

 flattened, usually broader at the stem end ; pinkish tinge about the 

 eyes, especially when freshly dug; skin dull white or light russet, 

 usually roughened or cracked ; flesh solid and quite heavy. 



Rural New Yorker No. 2. — Originated by E. S. Carman. Intro- 

 duced into trade about 1889. Season medium late. Vines tlirifty 

 and strong. Tubers oblong, inclined to round or round-oval, rather 

 flattened ; eyes few, shallow ; skin pure white netted ; flesh wliite. 



Sir Walter Raleigh. — Originated by E. S. Carman. Claimed to 

 be a seedling of Rural New Yorker No. 2. Introduced into trade 

 in 1897. Vines similar in habit and color of flowers to those of 

 Rural New Yorker, No. 2, but color of stems not as pronounced. 

 Color of flesh and skin of tubers is the same; quality better than 

 that of Rural New Yorker No. 2. 



REFERENCES 



Baker. A Review of Tuber-bearing Species of Solanum. Linn. 



Soc. Journal Bot., 20 : pp. 489-507, pis. 

 Fitch, C. L. 



Identification of Potato Varieties. Iowa Extension Bui. 20. 1914. 

 KOHLER, A. R. 



Potato Experiments and Studies at University Farm in 1909. 

 University of Minnesota Bui. 118. April, 1910. 

 MiLWARD, J. G. 



Conmiercial Varieties of Potatoes for Wisconsin. University of 

 Wisconsin Bui. 225. July, 1912. 

 Percival, John. Agricultural Botany, pp. 439-451. 

 Stuart, Wm. 



Group Classification and Varietal Descriptions of Some American 

 Potatoes. U. S. D. A. Bui. 176. March 27th, 1915. 



