1910.] NATURAL SCIENCES OF PHILADELPHIA. 253 



broad, short, acuminate, coarsely glandular-serrate above the middle, 

 glabrous on the outer surface, villose on the inner surface, reflexed 

 after anthesis; stamens 8-10; anthers cream color; styles 2 or 3, 

 surrounded at the base by a narrow ring of pale tomentum. Fruit 

 ripening in October, on long slender glabrous or slightly hairy pedicels, 

 in many-fruited clusters, subglobose to short-oblong, full and rounded 

 at the ends, dark crimson, very lustrous, marked by large pale dots, 

 1-1.2 cm. in diameter; calyx little enlarged, with a short tube, a deep 

 narrow cavity pointed and tomentose in the bottom, and spreading 

 reflexed lobes hairy on the upper surface; flesh thick, yellow, soft 

 and succulent; nutlets 2 or 3, broad and rounded at the ends, rounded 

 and ridged on the back, with a broad low grooved ridge, penetrated 

 on the inner faces by broad deep cavities, 6.5-7 mm. long and about 

 4 mm. wide. 



A tree 4-5 m. high, with a short trunk covered with dark gray 

 scaly bark, small spreading branches and stout zigzag glabrous branch- 

 lets, light orange-green and marked by large orange-colored lenticels 

 when they first appear, becoming light chestnut brown and very 

 lustrous in their first season and reddish-brown the following year, 

 and armed with numerous stout or slender chestnut brown shining 

 spines 3.5-6 cm. long. 



Hillsides, Keyser valley, Scranton, Lackawanna County, A. Twining, 

 (No. 50 type) May 25, June 3 and 13, 1907, September 27, 1909, 

 A. Twining, B. H. Smith and C. S. Sargent, September 5, 1909. 



