CRATAEGUS IN MISSOURI. 121 



gray-brown the following year, and unarmed or armed with 



cm. long. 



brown spines 3-5 



Low moist soil by streams, near Webb City, Jasper County, 

 E. J. Palmer, (No. 9 A type) May 20 and October 13, 1901 

 May 19, 1903, (No. 14) C. S. Sargent, October 2, 1901. 



f 



7. Crataegus mollita Sargent, Trees and Shrubs ii 77 



t. 136 (1908). ' ' 



Gravelly banks of streams. Swan, Taney County, B. F. 

 Bush, (No. 11 B type) May and September 1905, May 1907^ 

 also numbers 11, 11 A, 11 C and 11 D. 



8. Crataegrus rupicola, n. sp. 



Leaves ovate to obovate, acute or acuminate, gradually narrowed and 

 concave-cuneate at the glandular base, coarsely doubly serrate above 

 with straight glandular teeth, slightly divided usually only above the middle 

 into 3 or 4 pairs of small acuminate lobes, strigose and becoming scabrate 

 on the upper surface, and covered on the lower side of the stout midribs 

 and slender prominent veins and veinlets with long white rather rigid hairs; 

 nearly fully grown when the flowers open from the 15th to the 20th of May 

 and then light yellow-green, and at maturity thin but firm in texture, 

 yellow-green, 7-8 cm. long and 5-6 cm. wide; petioles slender, broadly 

 wing-margined at the apex, densely villose-pubescent, glandular, with 

 minute persistent glands, 1.5-2.5 cm. in length; leaves on vigorous shoots 

 coarsely serrate, more deeply lobed, and often 8-10 cm. long and 6-7 cm. 

 wide, with stout broad-winged petioles. Flowers 1.6-1.7 cm. in diameter, 

 ' ort slender densely villose pedicels, in 5-8-flowered hairy corymbs' 



with 



Ltil the flowers open, the lower pe 

 alyx-tube densely covered with i 

 )inted and acuminate at the apex 

 5-10; anthers large, bright red: stvles 2-4 



surrounded at the base by a broad ring of long white hairs. Fruit ripening 

 and falling eariy in October, on stout erect or spreading villose pedicels, in 

 few-fruited clusters, subglobose to short-oblong, deeply concave at the 



with 



calyx 



^xixaigeu, wiui a oroaa aeep cavity lined with hoary tomentum, and small 



spreading closely appressed lobes ; flesh yellow-green, thick, dry and mealy ; 



nutlets 2-4, obtuse and rounded at the ends, or when 4 narrowed at the 



ends, prominently ridged on the back, with a high deeply grooved ridge, 



penetrated on the inner faces by narrow deep cavities, 5.5-6 cm. long, and 

 4-4.5 mm. wide. 



I 



