94 MISSOURI BOTANICAL GARDEN. 



5. Crataegus decorata, n. sp. 



Leaves obovate, acuminate, rounded or abruptly cuneate at the broad 

 entire base, doubly serrate above, with long straight glandular teeth, and 

 divided into 4 or 5 pairs of short broad spreading lateral lobes; nearly fully 

 grown when the flowers open about the 20th of April and then thin, yellow- 

 green and setose above and pale and villose along the midribs and veins 

 below, and at maturity thin, light yellow-green and scabrate on the upper 

 surface, pale bluish green and villose, with long white hairs on the stout 

 rose-colored midribs and slender primary veins on the lower surface, 4-5 

 cm, long, and 3-4 cm. wide; petioles slender, slightly wing-margined at the 

 apex, sparingly villose, rose-colored at the base late in the season, 1.8-2 cm. 

 in length. Flowers 1.8-2 cm, in diameter, on long slender glabrous pedicclS; 

 in lax mostly 6-10-fiowered glabrous corymbs, the lower peduncles from 

 the axils of upper leaves; calyx-tube broadly obconic, bright green, gla- 

 brous, the lobes broad, short, acuminate and glandular at the apex, finely 

 glandular-serrate, glabrous on the outer, sparingly villose on the inner 

 surface, reflexed after an thesis; stamens 20; anthers faintly tinged with 

 rose color; styles 3 or 4, surrounded at the base by a narrow ring of pale 

 tomentura. Fruit on short slender drooping pedicels, in few-fruited 

 clusters, broader than high, slightly 5-angled, dull red, marked by largo 

 dark dots, 1.3-1.5 cm. wide, 1-1.2 cm. high; calyx little enlarged, with a 

 short tube, a wide deep cavity, and small spreading lobes; flesh thick, 

 pink, dry and hard; nutlets 3 or 4, narrowed and rounded at the ends, 

 irregularly ridged on the back, with a broad narrow ridge, 4.5-5 mm. long, 

 and 4 mm. wide. 



A much-branched shrub 3-4 m. high, with numerous small 

 stems, and slender nearly straight glabrous branchlets dark 

 green tinged with red when they first appear, becoming dull 

 light chestnut-brown in their first season and gray tinged with 

 red the following year, and armed with slender straight or 

 slightly curved chestnut-brown spines 5-6 cm. long. 



Rocky hillsides, Swan, Taney County, B, F. Bush (No, 18 

 type) April 21 and October 7, 1907, (No. 18 C) AprU 24, 1907, 



6. Crataegus aspera Sargent, Trees and Shrubs, ii. C7, 

 t. 131 (1908). 



Near Webb City, Jasper County, E. J. Palmer, (No. 15 

 type) November 3, 1901, May and October, 1902. 



7. Crataegus magnifolia Sargent, Trees and Shrubs, ii. 



69, t. 132 (1908). 



Near Webb City, Jasper County, E. J. Palmer, (No. 20 

 type) April 30 and September 25, 1905. 



