740 



ARBORETUM ET FRUTICETUM BRITANNICUM. 



Engravings. Willd. Arb., t. 7. ; Michx. Arb., 1. t. 8. ; North Amer. Sylva, t. 37. ; and our Jig. 1425. 



Spec. Char., $c. Leaflets, in a leaf, 7 9 ; obovate-acuminate, argutely ser- 

 rate ; downy beneath. Fruit roundish, having 4 longitudinal ridges that 

 extend from the tip to the middle, and 4 intervening depressions, or furrows. 

 Husk dividing from one extremity to the other, in the line of the furrows, 

 into 4 equal valves. Nut subglobose, slightly compressed, having a long mucro 

 at the tip, and a shorter stouter one at the base ; yellowish. Bark exfo- 

 liating in long narrow strips. (Michx.) A large deciduous tree. Alleghany 

 Mountains, in fertile valleys. Height 60ft. to 80ft. Introduced in 1804. 

 Flowers greenish j May. Fruit with a greenish husk, enclosing a yellowish 

 nut ; ripe in November. 



The leaves vary in length from 18 in. to 20 in., and are composed of from 7 

 to 9 leaflets ; whereas in C. alba, the shell-bark hickory, the leaflets are in- 

 variably 5. The barren catkins are long, glabrous, filiform, and pendulous ; 

 3 being united on a common petiole, attached to the bases of the young shoots. 

 The fertile flowers appear, not very conspicuously, at the extremity of the 



1425. C. sutcata. x 



shoots of the same spring. They are succeeded by a large oval fruit, more 

 than 2 in. long, and 4> or 5 inches in circumference. It has four depressed 

 seams, which, at complete maturity, open throughout their whole length for 

 the escape of the nut. The shell is thick, and of a yellowish hue ; while that 

 of the C. alba is white. 



7. C. PORCI^NA Nfttt. The Pig-nut Carya, or Hickory. 



Identification. Nutt. Gen. N. Amer. PI., 2. p. 222. 



Synont/mes. Juglans porclna obcordata Michx. Arb. 1. 

 p. 206. ; J. porclna var. with fruit round, and somewhat 

 rough, Michx. North Amer. Sylva 1. p. 196. ; J. obcor- 

 data Miihlenb. in Nov. Act. Soc Nat. Swut. Berol. 3. 

 p. 392. ; Pig-nut, Hog-nut, Broom Hickory. 



Engravings. Michx. Arb., 1. t. 9. f. 3, 4. ;" North Amer. 

 Sylva, 1. t. 38. f. 3, 4.; Dend. Brit., t. 167. ; and our 

 figs. 1426, 1427. and 1428. 



Spec. Char., $c. Leaflets 57 in a leaf, 

 ovate -acuminate, serrate, glabrous, dotted 

 beneath with dots of resinous matter ; ter- 

 minal leaflet sessile. Nut obcordate. Fruit 

 round, somewhat rough. (Michx.) See 

 our./?g. 1426. a, and/g. 1428. a. A lofty 

 tree. North America, in the middle, 

 western, and southern states, on the bor- 



