186 PROCEEDINGS OF THE ACADEMY OF [March, 



grooved or irregularly ridged on the back, 6-6.5 mm. long and about 

 4 mm. wide. 



A shrub 1.5-3 m. high with stems sometimes 10 cm. in diameter, 

 covered with dark scaly bark and spreading freely into large thickets, 

 small, contorted dark branches, and slender rather contorted branch- 

 lets light orange-green when they first appear, becoming dark chestnut 

 brown, lustrous and marked by small dark lenticels in their first 

 season and dull reddish brown the following year, and nearly unarmed, 

 or armed with numerous slender straight chestnut brown shining 

 spines 2-4.5 cm. long. 



Rich hillsides, Bedford, Bedford County; common; B. H. Smith 

 and C. S. Sargent, (No. 300 type) September 30, 1905, B. H. Smith, 

 May 18, 1906. May 22. 1908; in oak woods, Bedford Springs, Bedford 

 County, (Nos. 293 and 294), B. H. Smith and C. S. Sargent, September 

 30, 1905, May 18, 1906. 



23. Crataegus conjuncta Sargent. 



Rhodora. V. 57 (1903); Bot. Gazette, XXXV, 379; Bull. CV, N. Y. State 

 Mus., 54. 



Keyser Valley. Scranton, Lackawanna County, A. Twining, (No. 15) 

 June 4. 1907, May 23, 1908, (No. 56) October 22, 1907, May 23, 1908; 

 also Illinois to eastern New York and southern New England. 



24. Crataegus duracina n. sp. 



Glabrous with the exception of a few hairs on the upper surface 

 of the young leaves. Leaves ovate to rhombic, acuminate, abruptly 

 or gradually narrowed and cuneate at the base, finely often doubly 

 serrate, with straight glandular teeth, and divided usually only above 

 the middle into 3-5 pairs of small acute spreading lobes; not more 

 than one-third grown when the flowers open at the end of May and then 

 dark yellow-areen, smooth, lustrous and furnished with occasional 

 hairs along the midribs above and paler below, and at maturity thin 

 and firm, dark yellow-green and lustrous on the upper surface, pale 

 on the lower surface. 4.5-6 cm. long and 3.5-4 cm. wide, with thin 

 prominent midribs and primary veins ; petioles slender, slightly wing- 

 margined at the apex, glandular, with minute mostly deciduous glands, 

 2.5-3.5 cm. in length. Flowers about 1.5 cm. in diameter, on short 

 slender pedicels, in small compact mostly 4-7-flowered corymbs, the 

 lower peduncles from the axils of upper leaves; calyx-tube narrowly 

 obconic, the lobes gradually narrowed from the base, short, slender, 

 acuminate, entire or minutely glandular-dentate near the middle, 

 reflexed after anthesis; stamens 17-20; anthers cream color; styles 3 



