[ 



* 



^ 



* 



V- 



62 MISSOURI BOTANICAL GARDEN. 



erect or spreading pedicels, In few-fruited clusters, subglobose, crimson, 

 marked by large pale dots, 8-9 mm. in diameter; calyx little enlarged, 

 with a deep narrow cavity, and small spreading lobes dark red on the 

 upper side; flesh thin, yellow-green, dry and hard; nutlets 4, gradually 

 narrowed and rounded at the ends, shghtly ridged on the back, 5.5-6 mm. 



5-3 



slender nearly straklit branchlcts darl 



red and marked by pale lenticcls when they first appear, be- 

 coming bright chestnut-brown and lustrous in their first sea- 

 son and dull reddish brown the following year, and armed 

 with stout nearly straight dark chestnut-brown spines 4.5-5.5 

 cm, long. 



Near Webb City, Jasper County, E. J. Palmer (No. 2 X 

 tvne), Mav 15. 1904. October 1907. 



Crataegus Engelmanni Sargent, Bot. Gazette, xxxi. 



Silva N. A 



297. 



G. Engelmann, ISGO; near 



County, and Pacific, Franklin County 



24. Crataeguai^u»*el4a,.n..sp. . 



•• •.! . . • • • * • . ••• * ••••.. 



Leaves oblong-obovajq*, r(;imjl(^fl bj actite at.1^e aDo«',^iaitiny narrowed 



to the slender concave-cunejte cnt*ire*6ase'*a*nd'ffiier:f cTftcn tloubly serrate 

 above, with straight or iiiL^iJ-re$.*glan|ulaf j leCth ; deeply tinged with 

 red an<I covered with lon^ s^ftVliHtf htJrs \\dui{j;hey unfold, about half- 

 grown when the flowers open from iiuJ.'J Qth to the middle of May and then 

 yellow-green, lustrous, setose, an^^.fjQpSe along the midribs above and 

 pale and hirsute on the base of the rnidribs ' below, and at maturity sub- 

 coriaceous, yellow-green and scabrate on the upper surface, pale yellow- 

 green on the lower surface, 3-4 cm. long and 1.5-2 cm. wide, with prom- 

 inent yellow still hairy midribs, and thin primary veins; petioles stout, 

 narrow-wing-margined nearly to the base, villo.sc especially wliile young' 

 6-7 mm. in length; leaves on vigorous shoots long-pointed and acuminate, 

 thicker, more coarsely serrate, 5-6 cm. long and 2.5-3 cm. wide, with' 

 stouter mitlribs and petioles, and more prominent primary veins. Flowers 

 L3-1.5 cm. in diameter, on long slender sliglitly villosc pedicels, in com- 

 pact mostly 6-12-nowered hairy corymbs, the long lower peduncles from 

 the axils of upper leaves; calyx-tube narrowly obconic, glabrous, the lobes 

 slender, tipped with bright red glands at the acuminate apex, entire, or 

 minutely dentate near the middle, glabrous on the outer, villose on tlie 

 inner surface, reflcxed after anthesis; stamens 10; anthers pale salmon 

 color; styles 1-3. Fruit ripening early in October, on long slender slightly 



hairy reddish pedicels, in few-fruited clusters, subglobose to short-oblong, 



