1910.] NATURAL SCIENCES OF PHILADELPHIA. 221 



numerous large stems, and slender slightly zigzag branchlets dark 

 orange-green more or less tinged with red and covered with matted 

 pale haire when they first appear, becoming dull light chestnut brown 

 in their first season and darker-colored the following year, and armed 

 with many stout straight purple spines 2.5-3 cm. long. 



St owes Township, near Turner Station, Allegheny County, W. W. 

 Ashe and J. A. Shafer, October 1901; on a hillside facing Forbes 

 Avenue, opposite Woodland Avenue, Pittsburg, Allegheny County, 

 W. W. Ashe and J. A. Shafer, October 1901, May 1902; Schenley Park, 

 Pittsburg, Allegheny County, 0. E. Jennings, B. H. Smith and C. S. 

 Sargent, (No. 22) September 28, 1905, O. E. Jennings, May 24, 1906, 

 May 17 and September 22, 1907; on the flood plain of the Olive River 

 at Fleming Park beyond McKee's Rocks, near Pittsburg, Allegheny 

 County, O. E. Jennings, B. H. Smith and C. S. Sargent, (No. 25, with 

 rather smaller fruit containing often 4 or 5 nutlets), September 29, 

 1905, O. E. Jennings, May 17, 1907; Nine-mile Run, Pittsburg, 

 O. E. Jennings, October 9, 1905, O. E. and G. K. Jennings, (No. 42, 

 with more hairy corymbs) May 17, 1907. East Altoona, Blair County, 



B. H. Smith, (No. 265) May 20. 1905, May 17, 1906, B. H. Smith and 



C. S. Sargent, September 25, 1905; valley of the Conemaugh, between 

 Portage and Wilmore, Cambria County, B. H. Smith, May 21, 1905, 

 B. H. Smith and C. S. Sargent, September 26, 1905. 



5. Crataegus Holmesiana Ashe. 



Jour. Elisha Mitchell Sci. Soc, XVI, pt. II, 78 (1900); Sargent, Silva N. 

 Am., XIII, 119, t. 676; Proe. Rochester Acad. Sci., IV, 114; Man., 449, 

 f. 366; Proc. Acad. Nat. Sci., Phila., 1905, 630; No. IV, Ontario Nat. 

 Sci. Soc. Bull., .53; Bull. CXXII, N. Y. State Mus., 71; Eggleston, 

 Gray Man., ed. 7, 473. 



Keyser Valley, Scranton, Lackawanna County, A. Twining, B. H. 

 Smith and C. S. Sargent, (No. 67) May 23, 1906, A. Twining, September 

 14, 1908; Orbisonia, Huntingdon County, B. H. Smith, (No. 315) 

 May 20, 1906, October 8, 1907; also Bucks and Berks Counties (var. 

 rillipcs Ashe), and from Ontario to New England. 



8. ROTUNDIFOLLE. 



Leaves subcoriaceous or thin, obovate to ovate or rhombic, cuneate 

 at the base; petioles short or long. Flowers in mostly glabrous 

 many- or few-flowered corymbs; anthers yellow or rose color. 

 Fruit subglobose to short-oblong or obovate, red, ripening late, 

 1-1.5 cm. in diameter; nutlets usually 3 or 4. (Rotundifolice, 

 Eggleston, Rhodora, X, 75 [1908]; Coccinea, Sargent, Rhodora, 

 III, 26 (not Loudon) [1901].) 



