164 THE NUT CCXTUBIST. 



as a timber tree, and its slow growth makes it less de- 

 serving of attention than those species that bear large 

 and edible nuts. 



Synonyms : 



Juglans glabra, Miller, 1768. 



Juglans alba acuminata, Marshall, 1785. 



Juglans obcordata, Lamarck. 



Juglans porcina, Michaux. 



Juglans pyriformis, Muhlenberg. 



Juglans porcina, var. obcordata, Pursh. 



Juglans porcina, var. pyriformis, Pursh. 



Carya porcina, Nuttall. 



Carya glabra, Torrey. 



Carya amara, var. porcina, Darby. 



BITTERN TIT, SWAMP HICKORY, PIGXUT (Hicoria 

 minima. Marshall). Leaflets seven to eleven, oblong- 

 lanceolate, serrate, smooth and thin ; fruit globular, 

 with distinct ridges at the seams (Fig. 

 50) ; the husk very thin, and at ma- 

 turity splitting about halfway to the 

 base, the four divisions becoming reflexed 

 in maturing, but not separating and 

 falling apart as in the thicker-husk spe- 

 cies. Nut broadest at the top, sharp- 

 FiG.5i. BITTERNUT. pointed, obcordata (Fig. 51), slightly 

 depressed ; shell very thin, smooth, white ; kernel in- 

 tensely bitter when fully ripe, but greedily eaten by 

 squirrels when fresh or in a half milky state. Usually a 

 medium-sized, graceful tree, with smooth bark, slender 

 twigs, and small, oblong buds covered with a dense yel- 

 low pubescence in winter. It grows in moist soils, along 

 streams and borders of swamps, and near springs on 

 hillsides, from Maine to Florida, and westward to Min- 

 nesota, Nebraska and Kansas. Humphrey Marshall de- 

 scribed this species so accurately in his " American 

 Grove," under the name of Juglans minima, p. 68, that 



