Boynton's Thorn 



459 



pointed at the apex, wedge-shaped, often abruptly so, at the base, coarsely and 

 doubly toothed, thick, hairy on the upper surface, becoming rough, dark green 

 and shining, and with impressed veins above, paler beneath; leaf-stalks winged 

 above, glandular-hairy, from lo to 15 mm. long. The flowers are about 2 cm. 

 broad, in many-flowered hairy corymbs; calyx-tube densely hairy at the base 

 slightly hairy above; calyx-lobes lanceolate, pointed, green, slightly hairy, glandu- 

 lar-toothed; stamens 10 to 20; anthers yellow; styles 3 to 5. The fruit ripens 

 early in October; it is nearly globular, 10 to 13 mm. thick, bright red or orange- 

 red, calyx- lobes spreading; flesh yellow, thick, dr}^ and mealy, containing 3 to 5 

 nutlets ridged on the back, from 6.5 to 7.5 mm. long, the nest of nutlets 7 to 9 

 mm. thick. 



17. BERLANDIER'S THORN Cratsgus Berlandieri Sargent 



Bcrlandier's thorn occurs in the bottom-lands of the Brazos River at Columbia 

 and Brazoria, Texas. It is a tree 5 to 6 meters high, with spreading branches, 

 forming a broad top; the bark is dark 

 brown and furrowed; the twigs are dull 

 reddish brown, whitish matted-hairy at 

 first, becoming smooth, and bear an occa- 

 sional straight gray spine 2.5 to 3.5 cm. 

 long. 



The leaves are oblong-obovate to oval, 

 4 to 10 cm. long, 3 to 8 cm. wide, pointed 

 at the apex, strongly wedge-shaped at the 

 base, sharply and irregularly doubly toothed 

 nearly to the base, with 3 or 4 pairs 

 of broad, short lobes, hairy on the upper 

 surface, whitish woolly-hairy on the lower 

 side, becoming smooth and dark green ^^' '^'^ 



above, paler beneath, thin; leaf-stalks woolly-hair}^, becoming smooth, winged 

 above, i to 2.5 cm. long. The flowers are about 15 mm. broad in many-flowered 

 whitish woolly-hairy corymbs; calyx woolly-hair}% its lanceolate long- pointed lobes 

 smoother on the upper surface, strongly glandular toothed; stamens about 20; 

 anthers yellow; styles 5. The fruit ripens about the middle of October; it is short- 

 oblong to subglobose, scarlet, about 15 mm, long; calyx-lobes erect, persistent; 

 flesh thin, yellow, dry and mealy; it contains about 5 nutlets about 7 mm. long, 

 ridged on the back, the nest about 7 mm. thick. 



Bcrlandier's Thorn. 



18. BOYNTON'S THORN Crataegus Boyntoni Beadle 



CratcEgtis intricata Sargent, not Lange 



Boynton's thorn grows in open, rocky woods and in fields from western New 

 England south along the Appalachian Mountains to northern Georgia and west- 



