ROSACES 395 



29. Crataegus sordida, Sarg. 



Leaves rhomboidal, acute, or occasionally obovate and very rarely rounded at the 

 apex, cuneate and entire below, serrate above, with narrow straight or incurved 

 glandular teeth, and occasionally irregularly divided above the middle into short 

 acute lobes, about half grown when the flowers open the first week of May and 

 then membranaceous, bright green, lustrous and glabrous with the exception of a 

 few short caducous hairs on the upper surface, particularly along the midribs 

 and principal veins, and at maturity subcoriaceous, dark green and lustrous above, 

 paler below, generally about 1^' long and 1J' wide ; their petioles stout, slightly 

 winged toward the apex, at first villose, soon glabrous, about \' long, often 

 bright red in the autumn; on vigorous shoots sometimes oblong or oval, coarsely 

 dentate, usually divided above the middle into short acute lobes, 3'-4' long, 2'-2' 

 wide, and decurrent on the stout glandular petioles. Flowers I'-l^' in diameter, 

 on slender pedicels, in few-flowered compact slightly villose corymbs; calyx-tube 

 narrowly obconic, the lobes narrow, acuminate, villose on the inner surface; petals 



dull sordid white ; stamens 20; anthers small, rose color; styles 2 or 3, sur- 

 rounded at the base by a narrow ring of pale hairs. Fruit ripening and falling the 

 middle of September, on short pedicels, in few-fruited drooping clusters, globose, 

 \'-^' in diameter, dark dull red; calyx prominent, with elongated coarsely serrate 

 appressed or incurved lobes; flesh thin, yellow, dry and mealy; nutlets 2 or 3, 

 broad, rounded and ridged on the back, with a low rounded ridge, \' long. 



A slender tree, 20-25 high, with a tall trunk 5'-6' in diameter, often armed 

 with long-branched spines, small ascending branches forming a narrow oval head, 

 and slender nearly straight branchlets, at first dark orange-green and villose, with 

 long scattered pale hairs sometimes persistent until autumn, and furnished with 

 numerous thin nearly straight bright chestnut-brown shining spines 1''--^' long, or 

 often unarmed. 



Distribution. Low woods and the gravelly banks of streams; Ripley County, 

 southeastern Missouri. 



30. Crataegus Brazoria, Sarg. 



Leaves oval to obovate, acute or acuminate, gradually narrowed, cuneate and 

 entire at the base, and coarsely and irregularly glandular-serrate above, with straight 



