1922] SARGENT, NOTES ON NORTH AMERICAN TREES, X. 185 



and Cherokee Counties where it grows on dry banks it is a shrub, with 

 several stems not more than 3 m. high. 



Until the stones of the fruit are examined this species might pass for 

 one of the Macracanthae Groun. although the entire «.! 



sence 



from the leaves and the rather compact corymbs are unusual in plants of 

 that Group. Although it is an extreme form it is now referred with some 

 doubt to the Crus-galli Group. The species of that Group which it most 

 resembles is C. sublobulata Sargent from San Augustine, Texas, which 

 differs in its slightly lobed glabrous thicker leaves, its broader glabrous 

 corymbs, and in its 20 stamens with pink anthers. 



Crataegus poliophylla (§ Virides), n. sp. 



Leaves oblong-obovate to elliptic, acute or acuminate at apex, gradually 

 narrowed and cuneate at base, finely doubly serrate above the middle with 

 straight teeth and usually irregularly divided toward the apex into short 

 acute lobes; thickly covered when they unfold with white hairs longer and 

 more abundant on the lower than on the upper surface, nearly glabrous 

 above when the flowers open and more or less pubescent below, and at 

 maturity subcoriaceous, glabrous, yellow-green and lustrous on the upper 

 surface, pale on the lower surface, 3-4 cm. long and 2.5-3 cm. wide, with 

 a prominent midrib and slender veins deeply impressed above; on leading 

 shoots up to 6 cm. long and 4.5 cm. wide; petioles slender, deeply grooved, 

 narrowly wing-margined toward the apex, densely villose-pubescent early 

 in the season, becoming glabrous, 1 .5-2 cm. in length. Flowers opening late 

 in March or early in April, 1.5 cm. in diameter, in wide lax 7-15-flowered 

 densely villose corymbs; calyx-tube broad-obconic, villose like the slender 

 pedicels, the lobes short, gradually narrowed from the base, glandular-ser- 

 rate or nearly entire, glabrous on the outer surface, slightly villose on the 

 inner surface; stamens 20; anthers yellow; styles 4 or 5. Fruit ripening 

 late in September, in pendent clusters, globose to short-oblong or ovoid, 

 orange-red, 6 or 7 mm. in diameter, the calyx prominent, with a short 

 tube, reflexed lobes and a wide shallow cavity broad in bottom; nutlets 4 

 or 5, rounded at apex, gradually narrowed at base, slightly grooved on 

 the back, 3-4 mm. long, 2.5-3 mm. wide, the narrow hypostyle extending 

 to the middle. 



A tree occasionally 4 or 5 m. high, with a trunk 8-10 cm. in diameter, 

 covered with dark rough bark, smooth ashy gray branches and slender 

 branehlets thickly covered early in the season with long matted white 

 hairs, becoming glabrous and ashy gray, and armed with slender straight 

 spines 1.5-2.5 cm. in length. 



Texas. Brazoria County, 5. F. Bush, No. 11 (5D), March 27, 1901, 

 No. 870 (59), September 21, 1901, No. 970 (5b), October 2, 1901, No. 1212 (type), 

 March 26, 1902. Fort Bend County, thickets in drained soil, Duke, E. J. 

 Palmer, No. 5083 (3a), April 2, 1914, No. 6695 (3a), October 1, 1914. 



Distinct in the shape of the coriaceous leaves and in their villose cover- 

 ing while young, and in the villose corymbs. Two specimens collected at 



