Description and Classification 31 



Tuber and eye color : A fine smooth and quite brown netting is a 



feature of many of the tubers. An "all-white" variety. 

 Foliage : Bright green. 

 Blossoms : White. Buds yellow. 



Group 5. — Burbank. 



Tuber shape : Long, largest at center. Best type, shorter, wide, 



and flattened. Poor type, spindle shaped. Stem end flush. 



Eyes shallow or flush. In poor conditions very subject to knots. 



(See Fig. 7.) 

 Tuber and eye color : Blinds, wliite. Skin white changing in 



light to greenish gray brown. First sprouts white with light 



green tips. 

 Foliage : Bright green. 

 Blossoms : White. Buds yellow. 



Group 6. — Peerless or Pearl. 



Tuber and eye color : Skin, white, or if ripened well, brownish 

 white, coarsely cracked. Skin turns dull green in light. (.See 

 Fig. 7.) 



Blossoms : White, when borne. Buds, white or greenish white. 



Stem and foliage : Vigorous, bright green. 



Group 7. — Bllss Triumph. 



Tuber shape : More or less roughly globular, recessed stem. 

 Large tubers somewhat oval or nosy. (See Fig. 7.) 



Tuber and eye color : Pink to red-brown skin changing in light 

 to grayish red brown. Blinds, pink to red brown. Sprout- 

 leaves, dark apple-green. 



Groups according to Kohler 



Group 1. — Tuberosum Group. 



Characterized by foliage of the wild Solanum type. Tubers of 

 varying shape, usually with rather deep eyes; below medium 

 in size. 



Foliage relatively resistant to disease. 



