548 



ROSACEAE 



Crataegus 



o 5o 



Map 1119 



Crataegus prona Ashe 



50 

 Map 1120 

 Crataegus pedicellata Sarg. 



Jan. 



reb. 



Mar. 



Apr. 



May 



June 



July 



Aug. 



Sept. 



Oct. 



Nov. 



Dec. 



Miles 



50 



Map 1121 



Crataegus Putnamiana Sarg. 



19. Crataegus prona Ashe. (Crataegus allecta Sarg. and Crataegus 

 gravis Ashe.) Map 1119. Leaves ovate, 3-7 cm long, 2.5-6 cm wide, acute 

 or short-acuminate at the apex, abruptly narrowed or rounded at the base, 

 or sometimes truncate or subcordate on shoots, sharply serrate nearly to 

 the base, usually with 2-4 pairs of obscure or shallow, triangular, lateral 

 lobes, firm, sparsely short-villous or scabrate on the upper surface when 

 young, glabrous at maturity; petioles slender, from a third to half the 

 length of the blades, eglandular or with a few glands; flowers 18-20 mm 

 in diameter, in mostly 6-10-flowered, glabrous, simple or slightly com- 

 pound corymbs; stamens 10 or fewer; anthers pink or rose; fruit usually 

 oblong or obovoid, 8-10 mm thick, 10-14 mm long, becoming crimson or 

 orange red, with dark or russet blotches, flesh becoming mellow; calyx 

 small and sessile or nearly so ; nutlets 3-5. 



A tree up to 6-7 m high, or often a stout shrub, with gray, slightly scaly 

 bark, ascending or spreading branches, and stoutish, often flexuous, 

 glabrous branchlets armed with numerous, long, curved thorns, 



This species grows in fields and thickets in rocky or well drained soil 

 and in dry soil on wooded slopes. 



Ont. and Pa. to Mich, and Ind. 



20. Crataegus pedicellata Sarg. (Deam. Trees of Indiana, ed. 2. pi. 97. 

 1932.) (Crataegus coccinea of Eggleston, not of L., Crataegus acclivis 

 Sarg., Crataegus arcuata Ashe, Crataegus pura Sarg., and Crataegus 

 sertata Sarg.) Map 1120. Leaves ovate or broadly ovate, mostly 4-8 cm 

 long, 3.5-7 cm wide, pointed or acuminate at the apex, rounded, truncate 

 or subcordate at the base, sharply and rather finely serrate, usually with 

 3-5 pairs of small or obscure lateral lobes terminated by acuminate, spread- 

 ing or reflexed teeth, scabrate or short-villous above and sometimes slightly 

 villous on the veins beneath when young, thin and barely firm at maturity 

 and then glabrous on both surfaces or with slight traces of pubescence 

 beneath ; petioles slender, a third to half the length of the blades, slightly 

 villous or glabrous ; flowers 16-22 mm in diameter, in compound, mostly 



