191 



flowers appear in May, about 2 cm. (% inch) broad; stamens 10-20, 

 usually 10; anthers pink or occasionally yellow or white, large; styles 

 and nutlets usually 2 or 3; calyx lobes lanceolate-acuminate, glandular- 

 laciniate, villous; fruit ripens in September, subglobose, 5-15 mm. 

 {}4'3-'3 inch) thick, dark red, shining, flesh thin, glutinous; nutlet with 

 deep pits on the inner faces; calyx-lobes villous, reflexed. 



Distribution. — Nova Scotia to Minnesota, Nebraska and south in 

 the higher Alleghcnies to North Carolina and in the Rocky Mountains 

 to southern Colorado. As j^et reported only from northern to central 

 Indiana. 



A small tree sometimes 6 m. (20 feet) high, with ascending branches 

 and a broad, irregular crown; more often, however, a large shrub. 



Specimens have been seen from the following counties: Allen (Deam) ; 

 Cass (Mrs. Ida Jackson) ; Fulton (Deam) ; Noble (VanGorder) ; Putnam 

 (Grimes); Tippecanoe (Deam); Wells (Deam). 



Horticultural Uses. — Highly ornamental for parks and hedges 

 because of the abundant flowers, dark green shining leaves and its dark 

 red shining fruit. 



7. Crataegus neo-fluvialis Ashe. New River Thorx. Plate 83. 

 Bark graj-ish; spines numerous, 2.5-8 cm. (1-3 inches) long; leaves 

 elliptical-ovate to obovate, 2.5-8 cm. (1-3 inches) long, 2-6 cm. (84-21 2 

 inches) wide, acute or obtuse at the apex, cuneate at the Ijase, sharply 

 and doublj'- serrate, with obtuse or acute lobes towards the apex, coria- 

 ceous, dark green and shining above, pubescent along the veins beneath; 

 petioles 1-2 cm. (^8-34 inch) long, slightlj^ winged-above; corymbs 

 and calyx-tubes glabrous or slightly villous, many-flowered; flowers 

 appear in May, 1.2-1.6 cm. (3^-% inch) broad, stamens 15-20, 

 anthers usually pink, small; styles and nutlets usually 2 or 3; calyx 

 lobes more villous on the inside, lanceolate-acuminate, glandular- 

 laciniate; fruit ripens in September, globose or short ellipsoidal, dark 

 red, 4-13 mm. (i^-3^ inch) thick, flesh thin, glutinous, nutlets with 

 deep pits in the inner faces; calyx lobes reflexed, glabrous or slightly 

 hairy. 



Distribution. — Western Vermont to eastern Wisconsin, Iowa and 

 south in the Alleghenies to North Carohna. 



A small tree sometimes 8 m. (30 feet) high, with ascending and spread- 

 ing branches. 



Specimens have been seen from Allen (Deam); Fulton (Deam); 

 Shelby (Deam); Wells (Deam). 



8. Crataegus Calpodendron (Ehrhart) Medicus. Pear-thorn. 

 Pear or Red Haw. Plate 84. Bark pale gray to dark brown, fur- 

 rowed; spines occasional, slender 3-5 cm. (li^-2 inches) long; leaves 



