204 PROCEEDINGS OF THE ACADEMY OF [March, 



base, sharply often doubly serrate above, with straight glandular teeth, 

 and slightly divided often only above the middle into 4 or 5 pairs of 

 narrow acuminate lobes; very thin, dark yellow-green and furnished 

 with occasional hairs on the upper side of the midribs and paler below 

 when the flowers open about the middle of May; petioles slender, 

 wing-margined at the apex, sparingly glandular, 2-3 cm. in length; 

 mature leaves not seen. Flowers 1.5-1.8 cm. in diameter, on long 

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

 the long lower peduncles from the axils of small narrow acuminate 

 deciduous leaves; calyx-tube narrowly obconic, the lobes long, slender, 

 acuminate, finely glandular-serrate, reflexed after anthesis; stamens 

 8-10, usually 10; anthers pale pink; styles 3-5, Fruit ripening and 

 falling early in October, on short slender pedicels, in few-fruited 

 clusters, globose to slightly obovate, rounded at the apex, 5-angled, 

 yellow-green to dark purplish red, marked by small dark dots, pruinose, 

 becoming lustrous, 1.2-1.4 cm. in diameter; calyx little enlarged, 

 with a broad shallow cavity, and spreading lobes; flesh pale 

 greenish yellow, solid, juicy, acidulous; nutlets 3-5, narrowed and 

 rounded at the ends, broader at the base than at the apex, slightly 

 ridged on the back, 6-6.5 mm. long and 3.5-4 mm. wide. 



A tree 3-4 m. high, with a trunk sometimes 1 dm. in diameter 

 and covered with dark gray scaly bark, ascending and spreading 

 branches forming a round-topped head, and slender nearly straight 

 branchlets, dark green and marked by pale lenticels when they first 

 appear, becoming light chestnut brown and lustrous in their first 

 season and dull reddish brown the following year, and armed with 

 numerous very slender slightly curved chestnut brown shining spines 

 1.5-3.5 cm. long and persistent and much-branched on old stems. 



Ravines, Schenley Park, O. E. Jennings, B. H. Smith and C. S. 

 Sargent, (No. 4 type) September 28, 1905, O. E. and Grace K. Jennings, 

 May 20 and October 18, 1907, O. E. Jennings, October 3, 1908, May 

 24, 1909. 



No. 20 from the same locality (O. E. Jennings, B. H. Smith and 

 C. S. Sargent, September 25, 1905, O. E. Jennings, May 18, 1906, 

 June 12 and October 3, 1908, May 24, 1909) with 12-20 stamens does 

 not appear to differ in other characters from C. radina. The fruit, 

 however, of No. 20 has not been collected. No. 57 from the same 

 locality (O. E. Jennings, May 23, 1906, September 13, 1909) has the 

 same general appearance and belongs probably also to the same 

 species. 



