644 PROCEEDINGS OF THE ACADEMY OF [Sept., 



pedicel, green until late in the season, then reddish or green more or 

 less blotched with red, or occasionally when fully ripe light re i or 

 rarely yellowish-bronze color, 1-1.5 cm. long and 9-11 mm. wide; 

 calyx-tube elongated, prominent, with a deep narrow cavity, and 

 spreading and appressed lobes coarsely serrate toward the apex; 

 flesh thin, yellow-green, dry and mealy; nutlets usually 3, broad, 

 obtuse at the ends, rounded and prominently ridged on the back, with 

 a wide rounded ridge, 8-9 mm. long. 



A thin-stemmed shrub usually 1-2 m. high, rarely taller and almost 

 arborescent in habit, with slender spreading branchlets yellow-green 

 tinged with red when they first appear, bright red-brown or purple- 

 brown and marked by few large pale lenticels during their first season, 

 becoming dark gray-brown or reddish-brown the following year, and 

 armed with numerous very slender bright chestnut-brown spines mostly 

 4-6 cm. long. 



Berks county: We^t Lee?port, C. L. Gruber (No. 89), 1902; near 

 Kutztown, C. L. Gruber (Nos. 179, 180). Bucks county: Rockhill, 

 near Sellersville, C. D. Fretz (No. 121), October, 1899, May and October, 

 1901, (No. 165), May and September, 1903; Durham, Fretz and Sar- 

 gent, October, 1902. Delaware county: Upper Darby, near Collen 

 Brook, B. H. Smith (No. 226), September, 1902, May and September, 

 1903. Also in New Castle County, Delaware. 

 9. Crataegus reses Ashe. 



Jour. Elisha Mitchell Sci. Soc, Vol. XX, p. 55, 1904. 



Leaves oval, to broadly ovate on vigorous shoots, acute or acuminate, 

 gradually narrowed and concave-cuneate at the base, finely often 

 doubly serrate, with straight or incurved gland-tipped teeth, and 

 divided above the middle into 3 or 4 pairs of short broad acute lobes ^ 

 more than half -grown when the flowers open about the 20th of May and 

 then membranaceous, more or less tinged with red and slightly hairy 

 along the midribs and veins above and pale and glabrous below, and 

 at maturity thick and firm to subcoriaceous, dark dull bluish-green and 

 smooth on the upper and light yellow-green on the lower surface, 4-5.6 

 cm. long and 3-5 cm. wide, with thick yellow midribs, and slender 

 primary veins extending obliquely to the points of the lobes, turning 

 dark red-bronze or scarlet-bronze mottled with green in the autumn 

 before falling ; petioles stout, deeply grooved and while young slightly 

 hairy on the upper side, broadly winged toward the apex or nearly to 

 the middle, glabrous at maturity, glandular, with minute dark often 

 persistent glands, tinged with red toward the base after midsummer, 

 and 1.5-2.5 cm. in length; stipules lanceolate, acuminate, elongated. 



