1910.] NATURAL SCIENCES OF PHILADELPHIA. 211 



3. Crataegus glaucophylla Sargent. 



Rhodora, V, 1-40 (1903); Proe. Rochester Acad. Sci., IV, 12; Bull. Michigan 

 State Board Geolog. Surv., 1906, 536; No. 4, Ontario Nat. Sci. Bull., 36; 

 Bull. CXXII, N. Y. State Mus., 102. 



Charleroi, Washington County, O. E. Jennings and Grace E. Kinzer, 

 (No. 37) October 7, 1905, O. E. Jennings, May 21 and October 14, 

 1907; near Hillside Station, Westmoreland County, O. E. Jennings, 

 (No. 77) May 25, 1907, O. E. and Grace K. Jennings, September 16, 

 1909; also western New England, western New York and through 

 southern Ontario to southern Michigan. 



4. Crataegus insolita Sargent. 



Proc. Acad. Nat. Sci. Phila., 1905, 622. 



Berks County, woods beyond reservoir on hill, near Kutztown, 

 C. L. Gruber, (No. 140) May 15, 1906; North Heidelberg Township, 

 C. L. Gruber, (No. 181) September 8, 1906; Lackawanna County, 

 Lincoln Heights, Scranton, A. Twining, (No. 2) May 31, 1907, Septem- 

 ber 27, 1908; Keyser Valley, Scranton, A. Twining, (No. 11) May 27 

 and October 1, 1907; Virginia near Scranton, A. Twining, (No. 40) 

 May 29, 1907; also in Delaware County. 



5. Crataegus flammata n. sp. 



Leaves ovate, acuminate and long-pointed at the apex, rounded, 

 abruptly cuneate or slightly cordate at the base, finely often doubly 

 serrate, with straight glandular teeth, and divided into 6 or 7 pairs 

 of small acuminate spreading lateral lobes; nearly half grown when 

 the flowers open about the 20th of May and then very thin, yellow- 

 green and roughened above by short white hairs and pale blue-green 

 below, and at maturity thin, yellow-green, smooth and glabrous on the 

 upper surface, 5-6 cm. long and 3.5-4.5 cm. wide, with thin midribs 

 and primary veins; petioles slender, slightly wing-margined at the 

 apex, glandular, with minute often persistent glands, 2.5-4.5 cm. in 

 length. Flower's 1.5 cm. in diameter, on slender pedicels, in mostly 

 7-10-flowered corymbs, the long lower peduncles from the axils of 

 upper leaves ; calyx-tube narrowly obconic, the lobes gradually narrowed 

 from wide bases, acuminate and red at the apex, minutely glandular- 

 serrate below the middle, reflexed after anthesis; stamens 5-8; anthers 

 dark rose color; styles 2-4, surrounded at the base by a narrow ring- 

 of pale tomentum. Fruit ripening in September and persisting late 

 into October, on short slender reddish pedicels, in few-fruited clusters, 

 short oblong, full and rounded at the ends, scarlet, lustrous, marked 

 by occasional small pale dots, 1-1.2 cm. long and 8-10 mm. in diameter ; 

 calyx little enlarged, with a deep narrow cavity, and small spreading 



