ROSACES 375 



Distribution. Borders of woods and fields ; western North Carolina to northern 

 Georgia and Alabama, and to eastern Tennessee; one of the commonest species in 

 the neighborhood of Asheville, North Carolina. 



8. Crataegus erecta, Sarg. 



Leaves oval to obovate, or nearly orbicular on leading vigorous shoots, acute and 

 short-pointed at the apex, cuneate and entire at the base, and finely glandular-serrate, 



when they unfold often villose, with a few short caducous pale hairs on the upper side 

 of the midribs, nearly fully grown when the flowers open early in May, and at maturity 

 thin but firm in texture, dark dull green on the upper surface, pale on the lower sur- 

 face, l^'-2' long, I'-l^' wide, with slender midribs and thin prominent primary veins, 

 in the autumn turning dull orange color; their petioles slender, often wing-margined 

 toward the apex, glandular, with minute dark glands, usually dark red after mid- 

 summer, %'-\' long; on vigorous leading shoots coarsely serrate, with broad nearly 

 straight glandular teeth, and sometimes 3' long and 2^' wide. Flowers '-f' in di- 

 ameter, on slender pedicels, in broad loose many-flowered glabrous corymbs; calyx- 

 tube narrowly obconic, the lobes narrow, elongated, acuminate, entire or occasionally 

 obscurely and irregularly serrate; stamens usually 10, occasionally 11-13; anthers 

 small, pale yellow; styles 3 or 4, surrounded at the base by a narrow ring of short 

 pale hairs. Fruit on elongated pedicels, in few-fruited drooping clusters, subglobose 

 and usually a little longer than broad, full and flattened at the ends, dark dull crim- 

 son marked by occasional dark-colored dots, \'-\' long; calyx-tube short, the lobes 

 closely appressed, gradually narrowed from broad bases and usually persistent on 

 the ripe fruit ; flesh thin, yellow, dry and mealy; nutlets 3 or 4, prominently ridged 

 on the back, with a broad high grooved ridge, ^' long. 



A tree, 25-30 high, with a trunk l-3 in diameter, thick ascending branches 

 forming a wide open rather symmetrical head, and spreading branchlets armed with 

 thin straight chestnut-brown spines l'-2' long. 



Distribution. Rich bottom-lands of the Mississippi River in Illinois opposite the 

 city of St. Louis 



9. Crataegus acutifolia, Sarg. 



Leaves oval to oblong-obovate, acute or acuminate or rarely rounded at the apex, 

 cuneate at the usually entire base, finely crenulate-serrate often only above the 



