44 



MISSOURI BOTANICAL GARDEN, 



1. Crataegus strongylopbylla, n. sp. 



Glabrous. Leaves oblong-obovate, rounded at the broad apex or very 

 rarely acute, gradually narrowed to the concave-cuneate entire base, and 

 sharply often doubly serrate above, with straight or incurved glandular 

 teeth; more than half-grown when the flowers open from the 10th to the 

 middle of May and then thin, yellow-green and lustrous above and paler 

 below, and at maturity sul^coriaceous to coriaceous, dark yellow-groon 

 and very lustrous on the upper surface, dull liglit yellow-green on the lower 

 surface, 4-5.5 cm. long and 2.5-3 cm. wide, with prominent yellow mid- 

 ribs, and thin usually prominent primary veins; petioles stout, narrow- 

 wing-margined nearly to the base, glandular towards the apex, with often 

 persistent glands, 7-10 mm. in length. Flowers about 1 cm. in diameter, 

 on long slender pedicels, in lax mostly 15-20-flowered corymbs, the much 

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

 narrowly obconic, the lobes gradually narrowed from wide bases, acuminate 

 and red at the apex, entire or furnished near the middle with occasional 

 glandular teeth, refiexed after anthesis; stamens 10; anthers pink; styles 

 1-3. Fruit ripening in October, on slender reddish pedicels, in 6-12- 

 fruitcd drooping clusters, short-oblong to ovate, full and rounded at the 

 ends, dull red, marked by large dark dots, 8-10 mm. long and 6-9 mm. in 

 diameter; calyx little enlarged, with a deep narrow cavity, and spreading 

 and incurved persistent lobes; flesh thin, greenish yellow, dry and mealy; 

 nutlets 1-3, gradually narrowed and rounded at the ends, prominently 

 ridged on the back, with a broad high grooved ridge, 7-S mm. long, and 

 4-4.5 mm. wide, or when 1. (>-n.."i mm in Hinmofor 



2-A: 



spreading branches, and stout 

 dark orange-sreen and marked 



nearly straight branchlets 



bro\\ 



their first season and dull reddish brown the following year, 



led 



5-5 



Dry 



Jasper County, common; near Webb City, 



E. J. Palmer (No. 31 type) May 9 and October 4, 1907; Neck 

 City, E. J. Palmer, April 28, 1907. 



2. Crataegus discolor, n, sp. 



Glabrous with the exception of the hairs on the upper side of the young 

 leaves and petioles and on the calyx-lobes. Leaves obovate-cuneate, 

 rounded or acute at the apex, and finely serrate above the middle, with 

 incurved glandular teeth; when they unfold deeply tinged with red and 

 covered on the upper surface with soft white hairs, nearly half-grown when 

 the flowers open during the first week in May and then thin, yellow-green, 

 lustrous and slightly hairy along the midribs above, and glaucous below, 



