1905.] NATURAL SCIENCES OF PHILADELPHIA. 597 



above the middle into three or four pairs of slender acute lobes, slightly 

 tinged with red when they unfold, nearly fully grown when the flowers 

 open about the middle of May. and at maturity thin but firm in texture, 

 dark blue-green and lustrous on the upper, pale yellow-green on the 

 lower surface, 3.5-4.5 cm. long and 3-3.5 cm. wide, with stout midribs 

 and four or five pairs of prominent primary veins; petioles slender, 

 slightly wing-margined toward the apex, glandular, with conspicuous 

 usually persistent glands, and 1.5-2 cm. in length; stipules linear, 

 .acuminate, coarsely glandular, fading red, caducous; leaves on vigor- 

 ous shoots full and rounded or nearly truncate at the broad base, more 

 deeply lobed and more coarsely serrate, and often 5-6 cm. long and 

 broad , with stout margined petioles 2-2^ cm. in length. Flowers about 

 1.2 cm. in diameter, on slender pedicels, in very compact 4-7-flowered 

 corymbs, with conspicuous oblanceolate glandular pectinate bracts and 

 bractlets; calyx-tube broadly obconic, the lobes gradually narrowed 

 from broad bases, acuminate, entire or obscurely serrate al)ove the 

 middle; stamens 20; anthers small, pale yellow; styles 4 or 5, sur- 

 rounded at the base by a narrow ring of short pale hairs. Fruit ripen- 

 ing about the middle of October on stout pedicels, in erect few-fruited 

 clusters, subglobose to obovate, dark crimson, lustrous, marked by num- 

 erous small dark dots, 1.2-1.5 cm. long; calyx enlarged and prominent, 

 without a tulDe and with a broad deep cavity, and short acute lobes 

 coarsely and irregularly serrate above the middle, with occasional large 

 teeth; flesh thick, dry and mealy, white slightly tinged with pink; 

 nutlets 4 or 5, gradually narrowed and acute at the ends, prominently 

 ridged on the back, with a wide deeply grooved ridge, about 6 mm. long 

 and 4 mm. wide. 



A pyramidal shrub 2.5-3 m. high, with numerous small erect stems, 

 and slender slightly zigzag branchlets marked by occasional large pale 

 lenticels, dark orange-green when they first appear, becoming light 

 red-brown and very lustrous during their first summer and dull and 

 darker red-brown the following year, and armed with many slender 

 straight or slightly curved purple lustrous spines 4-6 cm. long. 



Delaware county: Preston Run Barrens, Newtown, B. H. Smith 

 (No. 204, type!), May 15, 1902, May 9, 1903; Sfnith and .Sorj/m^,' Sep- 

 tember, 1902; B. H. Smith (No. 217), September, 1902, May, 1903 

 and 1904; Smith and Sargent, September, 1902. 



14. Crataegus augusta n. sp. 



Glabrous. Leaves narrowly ovate to oblong-ovate, acuminate, 

 broadly cuneate or rounded at the entire base, coarsely doubly serrate 

 above, with straight glandular teeth, and divided into 3 or 4 pairs of 



