72 



records to Carya ovalis. The most northern station based upon an exist- 

 ing specimen is the north side of the Mississinewa River east of Eaton 

 in Delaware County. It is a frequent, common to very common tree 

 on the hills in the southern part of the State. It has its mass distribu- 

 tion in the unglaciated part of the State, although it is locally a frequent 

 to a common tree of the hills of the other southern counties. It ap- 

 pears that this species has the ability to invade areas after the vir- 

 gin forest is cut, and it is not an uncommon sight to see this species 

 in almost pure stands on the hills of cut-over lands. 



Remarks. This species is often called pignut. Sargent wisely 

 suggests that this name be used exclusively for Carya cordiformis. The 

 great abundance of this species in Brown, Morgan and Monroe Counties 

 has been instrumental in building up a large business in the manufacture 

 of hickory chairs and furniture. Frames of furniture are made from the 

 very young trees, and backs and seats from the bark of old trees, which 

 are cut, stripped of their bark, and often left to rot. 



6a. Carya glabra variety megacarpa Sargent 1 . This variety 

 was reported for Indiana by Heimlich. 2 His report was based on a 

 specimen collected by the author in Franklin County. It was named 

 by Sargent who has a duplicate specimen. Sargent in his revision of 

 the hickories does not include Indiana in its range. The size of the 

 fruit is the character that marks the variety and I do not believe this is 

 sufficient to warrant its separation. I have, therefore, included all 

 Indiana forms under the type. 



7. Carya ovalis (Wangenheim) Sargent. SMALL-FRUITED HICK- 

 ORY. Plate 28. Medium sized tall trees; bark usually tight on 

 the trunk for a distance up to 1.5-3 m., then becoming more or less 

 scaly like the shellbark hickory, on some trees the bark is very thick 

 and is quite scaly but it does not flake off in thin plates as the shell- 

 bark hickory; twigs purplish or reddish-brown, generally smooth by the 

 end of the season, generally 3-4 mm. thick near the tip; terminal winter 

 buds ovoid, 7-10 mm. long, covered with yellow scales and more or less 

 pubescent; average size leaves 2-3 dm. long; leaflets 3-7, prevailing 

 number usually 7, sometimes 5, usually lanceolate, frequently oval or 

 slightly obovate, the terminal 12-21 cm. long, at maturity usually 

 pubescent beneath in the axils of the veins, more rarely also the veins 

 covered with hairs; fruit varies greatly in size and shape, the most 

 common form is obovoid, more rarely oval, or subglobose, 25-42 mm. 

 in length, granular and covered with yellow scales; husk usually 

 splitting to the base, although tardily on some, often quite aromatic, 

 dry husk 1.1-3 mm. thick; nut variable in size and shape, from elliptic 



!Bot. Gaz. 66:244:1918. 



2 Proc. Ind. Acad. Sci. 1917:436:1918. 



