JUGLANDACEAE 



Mocker BTnt Hickory 



Carya alba (/_.) K. Koch [Hicoria alba (Z,.) Britt.] 

 [Carya tomentosa Nutt.] 



HABIT. A tree 50-70 feet high, with a trunk diameter 

 of i-2*/2 feet; forming a wide crown of strong, upright branches 

 and stout branchlets. 



LEAVES. Alternate, compound, 8-12 inches long. Leaflets 

 usually 5-7, sometimes 9, the upper 5-8 inches long, 3-4 inches 

 broad ; sessile, except the terminal ; oblong- to obovate-lanceo- 

 late; minutely or sometimes coarsely serrate; thick and firm; 

 lustrous, dark yellow-green above, paler and more or less 

 pubescent beneath. Petioles pubescent. Foliage fragrant when 

 crushed. 



FLOWERS. May, after the leaves ; monoecious ; the stam- 

 inate in pendulous, ternate catkins 4-5 inches long, slender, 

 green, hairy ; scales 3-lobed, hairy ; stamens 4-5, with red anthers ; 

 the pistillate in crowded, 2-s-flowered, tomentose spikes ; calyx 

 toothed, hairy; corolla o; stigmas 2, hairy. 



FRUIT. October; globose to globose-oblong, 1^2-2 inches 

 long, with thick husk splitting nearly to the base; nut 4-ridged, 

 red-brown, with very thick, hard shell and small, sweet kernel. 



WINTER-BUDS. Terminal bud" y 2 -H inch long, broadly 

 ovoid, red-brown, pilose; outermost scales fall in early autumn. 



BARK. Twigs at first brown-tomentose, becoming smooth 

 and grayish ; on the trunk thick, hard, grayish, slightly ridged 

 by shallow, irregular fissures, becoming rugged on very old 

 trunks. 



WOOD. Very heavy, hard, strong, tough, close-grained, 

 elastic, dark brown, with thick, whitish sapwood. 



DISTRIBUTION. Southern Peninsula as far north as 

 Grand Rapids and Flint. Infrequent. 



HABITAT. Prefers rich, well-drained soil, but grows well 

 in various situations, if they are not too wet. 



NOTES. Hardy throughout its range. Difficult to trans- 

 plant. 



73 



