CRATAEGUS IN MISSOURI. 105 



lower (surface, 8^9 cm. long and 6,5-7 cm. wide; petioles stout, hoary- 



tomentose early in the season, becoming villose, 2-3 cm. in length; stipules 

 linear-lanceolate, falcate, glandular-serrate, hairy, deciduous; leaves on 

 vigorous shoots cordate at the base, more coarsely serrate and often 9-10 

 cm. long and 8.5-9 cm. wide, with glandular petioles 3^ cm, long, and large 

 foliaceous lunate coarsely serrate persistent stipules. Flowers 2-2.2 cm. 

 in diameter, on short stout hoary-tomentose pedicels, in small compact 

 mostly 8-12-flowered corymbs, with oblong-obovate to linear often falcate 

 tomentose bracts and bractlets persistent until the flowers open, the short 

 lower peduncles from the axils of upper leaves; calyx- tube narrowly 

 obconic, densely coated with matted pale hairs, the lobes long, narrow, 

 acuminate, irregularly glandular-dentate, glabrous on the outer, villose on 

 the inner surface, reflexed after anthesis; stamens 20; anthers cream color; 

 styles 5. Fruit ripening in October, on stout villose pedicels, in few- 

 fruited drooping clusters, oval, gradually narrowed and rounded at the 

 apex, more abruptly narrowed at the base, crimson, lustrous, marked by 

 large pale dots, pubescent at the ends, 1.8-2 cm. long and 1.5-1.6 cm. in 

 diameter; calyx with a short tomentose tube, and a deep narrow cavity 

 tomentose in the bottom and nearly closed by the small erect lobes; 

 flesh thin, yellow, dry and hard; nutlets 5, gradually narrowed and 

 rounded at the ends, rounded and slightly grooved on the back, 7.5-8 mm. 

 long, and 5.5-6 mm. wide. 



A tree 7-8 m.high, with a trunk covered with dark rough 

 bark, spreading branches, and stout nearly straight branch- 

 lets coated with hoary tomcntum when they first appear, 

 light orange-brown, lustrous, marked by pale lenticcls and 

 very slightly hairy at the end of their first season, becoming 

 light gray the following year, and armed with straight slender 

 purplish spines 3^ cm. long. 



River des Peres bottoms, Carondelet, St. Louis County, 

 J. H. Kellogg, (No'. 6 type) April 27 and October 1, 1902. 



4. Crataegus laisiantliay n. sp. 



Leaves ovate, acute at the apex, rounded or truncate at the base, 

 coarsely doubly serrate, with straight glandular teeth, and slightly divided 

 into 6 or 7 pairs of small acute lateral lobes; nearly half-grown when the 

 flowers open the first of May and then very thin, dark bluish green, slightly 

 roughened by short white hairs and villose on the midribs above and villose 

 especially on the midribs and veins below, and at maturity thin but firm in 

 texture, dark yellow-green, smooth and lustrous on the upper surface, pale 

 and still hairy on the lower surface on the stout yellow midribs, and thin 

 primary veins extending obliquely to the points of the lobes, 8-10 cm. long 

 and 5-8 cm. wide; petioles stout, slightly wing-margined at the apex, 



densely hoary tomentose early in the season, becoming pubescent, 2.5-4 



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