TREES OF NORTH AMERICA 



forming a wide flat-topped head, and slender mostly unarmed branchlets covered at 

 first with matted pale hairs and dark orange-brown and puberulous in their first 

 winter. 



Distribution. Low woods near Opelousas, Louisiana. 



21. Crateegus fera, Beadl. 



Leaves oblong-obovate, rounded or rarely acute at the apex, gradually narrowed 

 and concave-cuneate at the slender entire base, sharply serrate above the middle, 

 with straight or incurved teeth, fully grown when the flowers open the middle of 

 April and then thin, covered above by short white hairs, and slightly villose along the 

 midribs and veins below, and at maturity coriaceous, dark green, scabrate and very lus- 

 trous on the upper surface, pale and puberulous on the lower surface along the slender 

 midribs and obscure primary veins, 2^'-3' long, about |' wide, turning in the autumn 



orange, yellow, or brown; their petioles slender, wing-margined nearly to the base, 

 pubescent at first, becoming puberulous, f '-f ' long. Flowers : ' in diameter, on 

 elongated slender villose pedicels, in broad lax compound many-flowered corymbs 

 covered more or less thickly with white hairs; calyx-tube narrowly obconic, slightly 

 hairy near the base, glabrous above, the lobes narrow, acuminate, entire or sparingly 



