80 MISSOURI BOTANICAL GARDEN, 



April 27, 1902; Doc River to Bismarck, St. Frangois County, 

 William Trelcase (No. 1270), April 30, 1901; Eureka Springs, 

 Arkansas, William Trelease, April 19, 1901. 



6. Crataegus sucida, n. sp. 



Leaves obovate, acute or rounded and ijhort-pointed at the apex, 

 gradually narrowed to the cuneate entire base, finely doubly serrate above, 

 with straight glandular teeth, and slightly divided above the middle into 

 short acute lobes; deeply tinged with red wlicn tlicy unfold; about half- 

 grown when the flowers open at the end of April and then thin, dark yellow- 

 green and slightly roughened above by short white hairs, and pakT and 

 hairy on the midribs and veins below, and at maturity subcoriaccous, 

 dark yellow-green, smooth, glabrous and very lustrous on the upper surface, 

 pale and glabrous on the lower surface, 5-6 cm. long and 3.5-4 cm. wide, 

 with stout midribs, and thin primary veins extending very obliquely to the 

 points of the lobes; petioles slender, slightly wing-margined at the apex, 

 covered at first with matted pale hairs, becoming glabrous, often rose color 



1-1.5 cm. in length. Flowers 1.5-1.8 cm in diameter, on 

 leseent nedicels. in wide lax mostly S-lO-flowered corymbs, 



autumn 



long 



lyx 



narrowly obconic, clothed with long nppressca wnue nairs, luu luuus 

 slender, acuminate, minutely glandular-serrate, glabrous on the outer, 

 \allose on the inner surface, reflexed after anthesis; stamens 15-20; 



Fruit ripening at the end of August, 



anthers pale yellow; styles 3-5. 



red 



2-2.5 cm. in diameter; calyx little enlarged, with a broad deep cavity, and 

 small spreading appressed persistent lobes; flesh thick, yellow, soft and 

 edible, nutlets 3-5, gradually narrow^ed and acute at the ends, rounded 



groo 

 5-4 i 



m. high, with slender 

 matted Dale hairs whe 



chestnut 



light red-brown the following year, and armed with very 

 numerous straight or slightly curved purplish ultimately 

 ashy gray spines 4-8 cm. long. 



Near Monteer, Shannon County, B. F. Bush (No. 13 A 

 type), May 1, 1902, OctJ, 1905, (No, 13) May 1, 1902, May 

 15 and Oct.3, 1905, also (Nos. 1449, 1478, 1492, the last with 

 hoarv-tomentosc pedicels and more hairy leaves). 



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