58 MISCELLANEOUS CIRCULAR 92, U. S. DEPT. OF AGRICULTURE 



*Hicoria ovalis (Wangenheim) Sudworth. 24 



Range. — Western New York, eastern Pennsylvania, and the District of Co- 

 lumbia to southern Illinois and central Iowa (Story County); southward to 

 western North Carolina and eastern Tennessee and to central Georgia and 

 Alabama. 



NAME IN USE 



Hickory 



Hicoria ovalis obcordata (Muehlenberg and Willdenow) Sudworth. 25 



Range. — Southern New England and westward to southern Wisconsin, south- 

 western Missouri, southwestern Arkansas (Hempstead and Miller Counties), 

 western North Carolina, middle and eastern Georgia, and to central Alabama 

 and Mississippi; Louisiana (West Felician Parish). 



Note on nomenclature. — Formerly designated, in part, as Hicoria micro- 

 carpa (Nuttall) Britton, in part, and as Carya microcarpa Darlington, in part. 



NAME IN USE 



Hickory 



Hicoria ovalis odorata (Sargent) Sudworth. 



Range. — Southern New England, eastern Pennsylvania, and the District of 

 Columbia to western New York, Ohio, southeastern Ontario, southern Michigan 

 (Washtenaw County), Indiana, and southern Illinois. Detected also in Georgia 

 (vicinity of Atlanta) and eastern Mississippi (Starkville, Oktibbeha County). 



Note on nomenclature. — Formerly designated, in part, as Hicoria odorata 

 (Nuttall) Britton, Hicoria glabra var. odorata Sargent, and as Carya microcarpa 

 Darlington. 



NAMES in use 



Small Pignut (Md.). Little Shagbark (Md.). 



Little Pignut (Md.). Pignut Hickory. 



Hicoria ovalis borealis Ashe. 28 



Range. — Southern Michigan (vicnity of Detroit; said to have been found also 

 in southwestern part of the State) . 



Note on nomenclature. — Formerly designated as Hicoria borealis Ashe. 



NAME IN USE 



Hickory 



Hicoria ovalis obovalis (Sargent) Sudworth. 



Range. — Southern New England to Missouri, northern and southwestern 

 Arkansas, and southeastern Oklahoma (Rich Mountain) ; occurring also in west- 

 ern North Carolina, the coast of Georgia, and in north-central Alabama. 



Note on nomenclature. — Formerly designated as Hicoria glabra Sargent, in 

 part. 



u The exact definition of the specie? represented by this name, which is based on Juglans ovalis Wangen- 

 heim (1787), has long been in doubt, but it appears to have been cleared up recently by C. S. Sargent (Bot 

 Gaz., LXVI, 245, 1918). The type of this species, as designated by the name Juglans ovalis Wangenheim. 

 was previously considered a form of Carya or Hicoria ovata, of authors. It is now evident that Hicoria 

 ovalis (Wangenheim) Sudworth properly refers to a large very widely distributed species with extremely 

 variable fruit and is not to be considered a form of the true shagbark. The leaves usually have seven 

 leaflets, and the trunk bark is often, but not always, divided into small, separable scales. The compara- 

 tively small ripe fruit has a thin husk, which is split to the base by four sutures. The type form of this 

 species is much less common than are the following well-marked varieties. 



u C. S. Sargent (1. c.) has characterized a form of this variety as Carya ovalis var. obcordata f. vestita, a 

 single tree of which was found in southwestern Indiana (Knox County). 



26 C. S. Sargent (1. c.) has described a form of this variety as Carya ovalis var. obovalis f. acuta, which he 

 previously designated as Carya porcina var. acuta. This form occurs in the vicinity of Rochester, New 

 York. 



