520 



TREES OF NORTH AMERICA 



larged appressed lobes; flesh thin, yellow, dry and mealy; nutlets 3-5, thick, narrowed and 

 rounded at base, broad and rounded at apex, ridged on the back with a broad low rounded 

 ridge, about -&' long. 



A tree, often 20 high, with a tall trunk 6'-8' in diameter, covered with nearly black 

 deeply furrowed bark broken into short thick closely appressed scales, wide-spreading 

 often pendulous branches forming a broad symmetrical handsome head, and slender 

 slightly zigzag branchlets covered when they first appear with pale caducous hairs, soon 

 becoming bright red-brown and lustrous, and dull reddish brown in their second season, 

 and armed with short nearly straight gray or chestnut-brown spines $'-f ' long. 



Distribution. Dry upland Oak-woods in western Florida from the neighborhood of Tal- 

 lahassee, Leon County to the Apalachicola River; common in the neighborhood of River 

 Junction, Gadsden County, and at Aspalaga, Liberty County. 



v 124. Crataegus tristis Beadl. 



Leaves obovate, acute, acuminate, or rounded and often more or less undulate-lobed at 

 the broad apex, gradually narrowed from above the middle and concave-cuneate at the 

 glandular base, and serrate above with blunt glandular teeth, about half grown when the 



Fig. 476 



flowers open at the end of April, and then slightly pilose on the upper and villose on the 

 lower surface on the thin midrib and in the axils of the slender veins extending obliquely to 

 the point of the lobes, and at maturity thin and firm in texture, bright green and glabrous, 

 li'-l^' i ong> an( l about f wide; turning in the autumn yellow, brown, and orange; petioles 

 slender, wing-margined above, conspicuously glandular, slightly puberulous, '-f in 

 length; leaves at the end of vigorous shoots oblong-obovate, often deeply and irregularly 

 divided into broad acute lateral lobes, and frequently l|'-2' long and nearly as broad. 

 Flowers f'-f ' in diameter, on slender villose pedicels, in simple 3-5-flowered corymbs, with 

 rose-colored and conspicuously glandular bracts and bractlets; calyx-tube broadly obconic, 

 hairy toward the base with long scattered pale hairs, the lobes gradually narrowed from a 

 broad base, acuminate, glandular with large dark red glands, and entire or coarsely serrate 

 above the middle; stamens 20; anthers pink; styles 3-5. Fruit ripening and falling late in 

 August or early in September, ellipsoidal or short-oblong, orange-red, about \' long, with 

 soft flesh; calyx little enlarged, with recurved persistent lobes; nutlets 3-5, broad and 

 rounded at base, gradually narrowed and acute at apex, rounded and ridged on the back 

 with a broad low slightly grooved ridge, about f/ long. 



A tree, sometimes 25 high, with a trunk 8'-10' in diameter, covered with dark some- 

 times nearly black deeply furrowed bark, stout pendulous branches forming a broad 



