134 FOREST TREES OF NORTH AMERICA. 



Juglans tomentoaa, Lamarck, Diet, iv, 604. Michaux, Fl. Bor.-Am. ii, 192. Michanx f. Hist. Arb. Am. i, 184, t. 6 ; N. 

 American Sylva, 3 ed. i, 120, t. 35. Purah, Fl. Am. Sept. ii, 637. Barton, Prodr. Fl. Pbiladelph. 92. 



C. tomentosa, var. maxima, Nuttall, Genera, ii, 221; Sylva, i, 40; 2 ed. i, 56. Sweet, Hort. Brit. ed. 1830. Beck, Hot. 336. 

 London, Arboretum, iii, 1445. C. De CandoUe, Prodr. xvi', 143. 



C. alba, Kocb,Dendrologie,i,596[notNnttallJ. 

 MOCKER NUT. BLACK HICKORY. BULL NUT. BIOBUD HICKORY. WHITE-HEART HICKORY. KING NUT. 



Valley of the Saint Lawrence river, northern shores of lakes Ontario and Erie to eastern Nebraska, eastern 

 Kansas, and the Indian territory, south to cape Canaveral and Tampa bay, Florida, and the valley of the Brazos 

 river, Texas. 



A tree 24 to 30 or, exceptionally, 33 {Ridgway) meters in height, with a trunk 0.90 to 1.20 meter in diameter; 

 generally on rich upland hillsides less commonly in low river bottom lands; very common in the Gulf states, and 

 throughout the south the most widely-distributed species of the genus. 



Wood heavy, very hard, strong, tough, very close-grained, checking in drying, flexible, containing few large, 

 regularly-distributed, open ducts ; medullary rays numerous, thin, obscure ; color, rich dark brown, the thick sap- 

 wood nearly white; specific gravity, 0.8216; ash, 1.06 ; used for the same purposes as that of the shell-bark hickory. 



245. Carya porcina, Nuttall, 



Genera, ii, 222. Barton, Compend. Fl. Pbiladelph. ii, 180. Elliott, Sk. ii, 637. Watson, Dend. Brit. ii,t. 167. Sprengel.Syst.ii, 849. 

 Torrey, Compeud. Fl. N. States, 358. Beck, Bot. 336. Eaton, Manual, 6ed. 83. Spacb, Hist. Veg. ii, 178. Penn. Cycl.vi,332. 

 Darlington, Fl. Cestrica, 2 ed. 546. Loudon, Arboretum, iii, 1449, f. 1272-1274. Eaton & Wrigbt, Bot. 183. Spacb, Hist. Veg. ii, 

 178. Emerson, Trees Massaclmsetts, 197, 1. 14 ; 2 ed, i, 224 & t. Wood, Bot. & Fl. 304. C. De C.andolle in Ann. Sci. Nat. 4 ger. xviii, 

 36, t. 1, f. 5, t. 5, f. 54; Prodr. xvi^, 143. Porcher, Resources S. Forests, 332. Gray, Manual N. States, 5 ed. 449 ; Hall's PI. Texas, 

 21. Vasey, Cat. Forest Trees, 24. Ridgway in Proc. U. S. Nat. Mus. 1882, 78. 



Juglans glabra, Miller, Diet. No. 5. Wangenheim, Anier. 25, t. 10, f. 24. Mublenberg & Willdenow in Neue Scbriften 

 Gesell. Nat. Fr. Berlin, iii, 391. Willdenow, Spec. It, 458; Berl. Baumz. 196. Persoon, Syn. ii, 566. Alton, Hort. 

 Kew. 2 cd. Y, 297. Eaton, Manual, 108. Hayne, Dend. Fl. 164. 



Juglans alba acuminata, Marsbaii, Arbustum, 68. 



Juglans obcordata, Lamarck Diet, iv, 504. Mublenberg & Willdenow in Nene Scbriften Gesell. Nat. Fr. Berlin, iii, 391. 

 Willdenow, Spec, iv, 458. Persoon, Syn. 506. 



Juglans porcina, Michaux f. Hist. Arb. Am. i, 206, ,t. 9; N. American Sylva, 3 ed. i, 132, t. 38. Pursh, Fl. Am. Sept.ii, 

 638. Barton, Prodr. Fl. Pbiladelph. 92. Auduljon, Birds, t. 91. 



Juglans pyri/ormis, Muhlenberg, Cat. 92. 



Juglans porcina, var. obcordata, Pursh, Fl. Am. Sept. ii, 638. Barton, Compend. Fl. Pbiladelph. ii, 180. Watson, Dend. 

 Brit, ii, 167. 



Juglans porcina, var. pisiformis, Pursh, Fl. Am. Sept. ii, 6.38. Barton, Compend. Fl. Pbiladelph. ii, 180. 



C. glabra, Torrey, Fl. N.York, ii, 182, 1. 101. Gray, Manual N. States, 1 ed.412. Darlington, Fl. Cestrica, 3 ed. 264. Coopei 

 in Smithsonian Rep. 1858, 255. Chapman, Fl. S. States, 419. Curtis in Rep. Geological Surv. N. Carolina, 1860, iii, 

 44. Lesquereux in Owen's 2d Rep. Arkansas, 387. Koch, Dendrologie, i, 594. Young, Bot. Texas, 499. 



C. amara, var. porcina. Darby, Bot. S. States, 513. 



PIGNUT. BRPWN HICKORY. BLACK HICKORY. SWITCH BUD HICKORY. 



Southern Maine to southern Ontario, southern Michigan and Minnesota, eastern Nebraska, eastern Kansas, 

 and the Indian territory, south to cape Canaveral and Pease week, Florida, and the valley of the Nueces river, 

 Texas. 



A tree 24 to 30 or, exceptionally, 40 (Ridgway) meters in height, with a trunk 0.90 to 1.50 meter in diameter; 

 dry hills and uplands; common. 



Wood heavy, hard, very strong and tough, flexible, close-grained, checking in drying, containing many large 

 open ducts; color, dark or light brown, the thick sap-wood lighter, often nearly white; specific gravity, 0.8217; 

 ash, 0.99; used for the same purposes as that of the shell-bark hickory. 



