

54 MISSOURI BOTANICAL GARDEN. 



broad, minutely glana«lar-dentate, tinged with rose color, rcflexed after 

 anthesis; stamens 10; anthers white or white faintly tinged with yellow; 

 Styles 2. Fruit short-oblong, or Bometimes shghtly obovate, rounded at 

 the ends, dull crimson, 7-8 mm. in diameter; calyx httle enlarged, with a 

 deep narrow cavity, and spreading slightly incurved lobes; flesh thm, 

 green, dry and hard ; nutlets 2, rounded at the ends, slightly ridged on 

 the back, about 5 mm, long, and 3 mm. wide. 



A tree sometiiiics 7 m. high, with a trunk 1.2-1.5 dm. in 

 diameter, and slender often contorted branchlets dark green 

 tinged with red and marked by pale lenticels when they first 

 appear, becoming light chestnut-brown in their first season 

 and dull reddish brown the following year, and armed with 

 slender straight or slightly curved ashy gray spines 2.5-3.^ 

 cm. long. 



and 



October 



24, 1907. 



14. Crataegus pacbypbylla, n. sp. 



Glabrous with the exception of the hairs on the upper surface of the 

 young leaves. Leaves obovate, acute, rounded and short-pcnnted or 

 acuminate at the apex, gradually narrowed to the concave-cuneate entire 

 base, and coarsely often doubly serrate above the middle, with straight 

 or incurved glandular teeth; nearly half-grown when the flowers open in 

 the first week of May and then thin, yellow-green, smooth, lustrous and 

 slightly hairy along the midribs above and paler below, and at maturity 

 coriaceous, yellow-green, glabrous and very Instrous on the upper surface, 

 pale yellow-green on the lower surface, 4-G cm. long and 2-3 cm. wide, 

 with stout midribs, and thin prominent primary veins; petioles slender, 

 wing-margined nearly to the base, often rose color in the autumn, 7-12 

 mm. in length; leaves on vigorous shoots broadly obovate, rounded and 

 frequently short-pointed at the apex, and often G-7 cm. long and 4-5 cm. 

 wide. Flowers about 1.2 cm. in diameter, on long slender pedicels, in 

 mostly 10-12-flowered crowded corymbs, the mucli elongated lower 

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

 the lobes gradually narrowed from the base, long, slender, acuminate, 

 entire or minutely dentate near the middle, rcflexed after anthesis; stamens 

 10; anthers large, pale yellow; styles 2 or 3. Fruit ripening and falling 

 early in October, on long stout drooping stems, in few-fruited clusters, 

 short-oblong, truncate at the ends, depressed at the insertion of the pedicels, 

 scarlet, very lustrous, marked by many large dark dots, 1.5-1.7 cm. long 

 and 1.4-1.5 cm. in diameter; calyx Uttle enlarged, with a deep narrow- 

 cavity pointed in the bottom, and small spreading usually deciduous lobes ; 



flesh thick, light yellow-green, Uftrd aad bitter; nutlets 2 or 3, gradually 



