w 



108 MISSOURI BOTANICAL GARDEN. 



points 



apex 



leaves on vigorous shoots ovate, acuminate, rounded or subcordate at the 

 base, more coarsely serrate, only slightly lobed and often 9-10cm.wide,\vitli 

 stout petioles often rose color in the autumn, and foliaceous lunate gland- 

 ular-serrate persistent stipules. Flowers 1.8-2 cm, in diameter, on long 

 stout hairy-tomentose pedicels, in compact hoary-tomentose mostly 10-15- 

 flowered corymbs, with oblong-obovate to linear glandular bracts and bract- 

 lets often persistent until the flowers open, the long lower peduncles from 

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

 short; broad, acuminate, laciniately glandular-serrate, pubescent on the 

 outer, glabrous on the inner surface, reflexcd after anthesis; stamens 20; 

 anthers whitp] styles 5, surrounded at the base by a narrow^ ring of pale 



tomentum. 



pedicels 



August 



narrowe 



diameter 



a deep narrow cavity tomentose in the bottom, and small spreading 

 appresscd lobes; flesh thin, yellow, rather juicy; nutlets 5, thin, acute 

 at the base, rounded at the apex, only slightly ridged on the back, about 

 7 mm. long, and 4.5 ram. wide. 



A tree 7-8 m. high, with a stem sometimes a decimeter in 

 diameter, covered with dark rough bark, large spreading 

 branches forming a wide irregular head, and stout slightly 

 zigzag branchlets coated when they first appear with long 

 matted white hairs, becoming light chestnut-brown, sparingly 



and marked by 



following year, and armed 



slender straight or slightly curved purple shining spines 



3-4 



bank of Cahokia Creek 



Illinois, J. //. Kellogg (No. 51 A type), August 2, 1902, April 

 17, 1907, north of Cahokia (no number), August 2, 1903, 

 April 17, 1907, (No. 52) August 2, 1902, April 27, 1903, April 



J. H 



much 



August 



7. Ckataegus Treleasei Sargent, Trees and Shrubs, i. C3, 



t. 32 (1903) ; Manual, 427, f . 345. 



streams. Doe Run 



County 



1 



