406 XEW EXGLAXB TREES IX WIXTER. 



PIGNUT 



Pignut or Broom Hickory. 



Carya glabra (Mill.) Spach. 

 C. porcina Nutt.; Hickoria glabra Britton. 



HABIT — A g-Qod sized tree, 50-60 ft. in height with a trunk diameter 

 of 2-5 ft.; branches slender, more or less eontorted. the lower ones 

 especiallj^ usually strungly pendulous, forming- a narrow oblong head, 

 well shown in the tree photographed, or broader in other specimens. 



BARK — Dark gray, fissured into irregular diamond- shaped areas 

 somewhat suggesting hark of W'hite Ash, but narrow ridges flattened, 

 tough, tending to become detached at ends; sometimes somewhat shaggy 

 especially in one of the varieties mentioned below, whicli has a bark 

 appruaching that of the Shag-bark Hickory. 



TWIGS — Comparatively slender for the genus. smooth, reddish- 

 brown, to gray. LENTICELS — numerous, longitudinally elongated, more 

 or less conspicuous. PITH — obseurely 5-pointed, star-shaped. 



LFAF-SCARS — Alternate, more than 2-ranked. obscurely 3-lobed, 

 heart-shaped to semi -circular or nblung. BUXC>LE-SCAR,S — numerous, 

 irregularly scattered or collected in 3 nmre or less definite groups. 



niDS — Reddish-brown to gray, small, terminal bud under 10 mm. 

 long. oval, blunt or sharp-pointed, becoming subglobose toward spring. 

 BUI >- SCALES- — ^out er scales dark, smooth or finely downy, generally 

 slightly yellow glandular-dotted, more or leys keeled, and sometimes 

 long pointed, often falling before the end of winter and exposing the 

 pale-silky inner scales. 



FRl'IT-^Bear-shaped to oblong to nearlj' spherical. 3-5 cm. long; very 

 variable in size and shape ; husk under 2 mm. thick, iu some forms 

 splitting onl>' at the apex and enclosing the nut after it has fallen 

 to the ground, in other forms splitting to the middle or to the base. 

 X'UT — thick or rather thin shelled, generally not ridged nor sharp- 

 pointed; seed S"U'eet or sometimes bitter. 



DLSTRIBI-TIOX — "U'oods, dry hills and uplands. Niagara peninsula 

 and along Lake Erie; south to the Gulf of Mexico; west to Minnesota, 

 Nebraska. Kansas, Indian Territory, and Texas. 



IN NE"U' ENGLAND — Maine — frequent in the southern corner of 

 York county; New Hampshire — common toward the coast and along the 

 lower Merrimac valley; abundant on hills near the Connecticut river, 

 but only occasional above Bellows Falls; Vermont — Marsh Hill. Ferris- 

 burgh. "U'. Castletnn and Pownal; Massachusetts — common eastward; 

 along the Connecticut river valley and some of the tributary valleys, 

 more common than (he Shag-bark; Rhode Island — common. 



IN CONNECTICUT— Occasional or frequent. 



AVOOD — Tlea^-y. hard, very strong and tough, flexible, light or dark 

 brown, with thick, lighter colored or often nearly white sapwood; used 

 for the handles of toi.ds and in the manufacture of wagons and agri- 

 cultural implements. 'and largelv fur fuel. 



