538 



ROSACEAE 



Crataegus 



o 55 



Map 1104 



Crataegus acutifolia Sarg 



Known in Indiana only from Randolph County, growing in moist, open 

 woods. 



Ala. to Mo. and Ark. 



3. Crataegus regalis Beadle. (Crataegus crus-galli of Eggleston in 

 part, not of L. of Deam, Trees of Indiana, ed. 2, pi. 78. 1932) . Map 1103. 

 Leaves oblong-obovate or elliptic, or on shoots oval to nearly orbicular, 

 3-7 cm long, 2-4 cm wide, usually abruptly pointed or short-acuminate at 

 the apex, narrowed at the base into slender petioles (8-15 mm long), 

 sharply serrate to below the middle, firm to subcoriaceous, glabrous, shin- 

 ing above; flowers 14-16 mm in diameter, in lax, glabrous, many-flowered 

 corymbs; stamens about 10; anthers white or cream color; fruit oblong 

 or ellipsoid, 8-10 mm long, 7-8 mm thick, green or becoming dull red; 

 calyx lobes linear, entire or nearly so, often persistent and appressed on 

 the fruit; nutlets 2-3. 



A tree sometimes 6-8 m high, with gray, slightly scaly bark and with 

 wide-spreading branches, abundantly armed with long, spreading thorns. 



Found in the southern part of Indiana growing in fertile soil along 

 streams and in open woodland and thickets. 



N. C. and Ga. to Ind., Mo. and Ark. 



4. Crataegus acutifolia Sarg. (Crataegus erecta Sarg. and Crataegus 

 ludoviciensis Sarg.) Map 1104. Leaves oblong-obovate or elliptic, mostly 

 3.5-6 cm long, 2.5-3.5 cm wide, rounded or abruptly pointed at the apex, 

 serrate nearly to the base with broad, shallow teeth, or on shoots some- 

 times obscurely lobed and with sharp, spinulose teeth, rather thin but 

 firm, glabrous, dull or slightly glossy above ; flowers 12-14 mm in diameter 

 in lax, glabrous, many-flowered corymbs; stamens about 10-15; anthers 

 white or pale yellow ; styles 2-4 ; fruit subglobose or slightly elongated, 7-8 

 mm in diameter, dull red, firm but mellow at maturity; nutlets usually 3-4. 



A tree up to 10 m high with thin, pale gray, scaly bark and with slender 

 wide-spreading branches, usually sparingly armed with slender thorns. 



