154 SYSTEMATIC POMOLOGY 



ently, on account of their prevailing cylin- 

 drical shape, like an old-fashioned chimney- 

 pot. The group is hardly known in America. 

 The writer is unable to give a single example 

 belonging clearly to this class. 



CLASS III. GULDERLINGE. 



Size small to medium. 



Form more or less ribbed about the basin, some 

 oblate-round, tapering slightly toward the 

 eye (Calville hybrids), some spherical or 

 cylindrical (the true Gulderlinge). 



Skin smooth, often a trifle russeted, mostly yel- 

 low-green, seldom colored. 



Flesh fine, somewhat resembling the Reinettes, 

 medium solid, subacid, sweet or very sweet 

 and aromatic. 



Core open, with cells separated. 



This group (called in French Calvilles 

 bdtardes, or hybrid Calvilles) may be best 

 represented by our Bellflower. The less well- 

 known Boiken is also referred to this group 

 by Dr. Lucas. 



CLASS IV. ROSE APPLES. 



Size small, medium, or large. 



Form for the most part regular, usually faintly 



ribbed about the basin and sometimes at the 



sides, usually long conic. 

 Skin smooth and fine, with bloom, shining when 



