30 The Potato 



Group types according to Fitch 



Group 1. — Rural. 



Tuber shape : Wide and flat types when at best. Ends rounded 



much hke stem and usually not recessed. (See Fig. 7.) 

 Tuber and eye color : Blinds, white. First sprouts yellow or 



waxy white with bluish violet tips which change, on exposure 



to light, to dark or dull purple. 

 Root stubs : Yellowish white ; free from purple. 

 Stem : Erect and touched with brownish purple. 

 Foliage : Green, darkened by the purple, and in state much more 



acrid than "all-green" foliage. 

 Blossom : Bluish violet- white. 



Group 2. — Early Ohio. 



Tuber shape : Somewhat flattened and slightly tapering, with 



stem end a least bit recessed. Eyes are unevenly distributed 



and numerous. (See Fig. 7.) 

 Tuber and eye color : Skin brownish pink, almost white to red, 



changing, on long exposure to light, to a weathered gray brown. 



First sprouts are white or greenish white with lilac tips. 

 Foliage : Medium green. 

 Blossoms : Lilac-white. 



Group 3. — Irish Cobbler. 



Tuber shape : The finest type is flat and wide like good Rurals 

 but there is a very distinct round, rough, deep-eyed type formed 

 in poorer conditions. In some cases large types are pear 

 shaped and rough like the largest Rurals and may combine 

 the pear shape with the heavy eyebrow types of the Rural. 



Tuber and eye color : Skin smooth yellowish white, changing in 

 the light to dull olive-green with a suggestion of blue. Blinds, 

 white. Sprout-leaves, hairy, light green. 



Blossoms : Pink with white tips on petals. Wliite blossoms not 

 found on Cobblers. 



Group 4. — Green Mountain. 

 Tuber shape : The waisted or dumb-bell type is characteristic. 

 Stem end somewhat recessed. (See Fig. 7.) 



