ROSACE^E 



419 



coming glabrous, usually about |' in length. Flowers \-\' in diameter, on slender villose 

 pedicels, in compact mostly 4-5-flowered villose corymbs; calyx-tube narrowly obconic, 

 thickly coated with long matted pale hairs, the lobes slender, acuminate, sparingly villose 

 or nearly glabrous on the outer surface, villose on the inner surface, entire or slightly serrate; 

 stamens 20; anthers yellow; styles 2 or 3, surrounded at base by a narrow ring of pale 

 hairs. Fruit ripening early in October, on slender pedicels, in few-fruited drooping puber- 

 ulous clusters, subglobose, orange with a red cheek, about \' in diameter; calyx-tube 

 slightly enlarged, with spreading or incurved lobes; flesh thin and yellow; nutlets 2 or 3, 

 slightly ridged on the back, about 1' long. 



A tree, 20-25 high, with , tall trunk 8'-10' in diameter, covered with dark gray scaly 

 bark, stout branches spreading into a broad flat-topped head, and slender branchlets 

 covered at first with matted white hairs, becoming glabrous and light orange-brown at the 

 end of their first season, and pale gray-brown the following year, and unarmed or armed 

 with occasional slender nearly straight red-brown spines l'-l|' long. 



Distribution. Borders of prairies and low moist soil a few miles west of Opelousas, St. 

 Landry Parish, Louisiana. 



22. Crataegus edura Beadl. 



Leaves oblong-obovate, rounded and obtuse or occasionally acute at apex, gradually 

 narrowed from above the middle to the cuneate base, and serrate only at the apex, nearly 

 fully grown when the flowers open early in April and then thin, dark green and puberulous 





Fig. 374 



above especially on the midrib, very pale and villose below, and at maturity thick and cori- 

 aceous, 1 i'-l|' long, and l^'"! i' wide, with a slender midrib, and primary veins within the 

 parenchyma; turning in the autumn orange, yellow, or brown; petioles slender, light yellow, 

 pilose, \'-\' in length. Flowers f '-f in diameter, on short sparingly villose pedicels, in 

 compact hairy 5-12-flowered corymbs; calyx narrowly obconic, glabrous or with a few 

 hairs at the base, the lobes narrow, acuminate, glabrous; stamens 16-20; anthers pale 

 yellow or nearly white; styles 2 or 3. Fruit ripening and falling in September, in few- 

 fruited drooping clusters, subglobose, orange or yellow with a red cheek, about T %' in 

 diameter; calyx-lobes little enlarged, closely appressed, often deciduous; nutlets 2 or 3, 

 rather obscurely ridged on the back, about \' long. 



A tree, 20-25 high, with a trunk 6'-8' in diameter, branches spreading out into a broad 

 flat-topped head, and branchlets pilose when they first appear, soon glabrous, becoming 

 reddish brown, unarmed or armed with chestnut-brown or gray spines l^'-2' long. 



Distribution. Low woods near Opelousas, St. Landry Parish, Louisiana. 



