86 



MISSOURI BOTANICAL GARDEN 



spreading and reflexed lobes; flesh thin, yellow, dry and mealy; nutlets 



3-5 



3 mm. long, and 2.5 mm. wide. 



A tree 8 or 9 m. high, with a trunk often 2.5 dm. in diameter, 

 covered with dark scaly bark, small ascending branches form- 

 ing a narrow oblong head, and stout nearly straight branch- 

 lets dark orange-green and marked by pale lenticels when 

 they first appear, becoming bright chestnut-brown and lus- 

 trous in their first season and dull red-brown the foUowmg 

 year, and armed with slender straight chestnut-brown spmes 

 1 5^ cm. long, and persistent, very numerous and compound 



on old stems. 



banks of Cahokia Creek, north of Cahokia 



/. H. Kellogg, (X type). May 7, 1903, August 



October 



Crataegus lanceolata Sargent, Trees and Shrubs 

 65, t. 130 (1908). 



River des 



bottoms, Carondelet, St. 



County 



J. H. Kellogg (No. 4 type), May and November 



May and October 1903 and 



4. Crataegus ovata Sargent, Manual, 402, f. 321 (1905). 

 ' River des Peres bottoms, Carondelet, St. Louis County, 

 J. H. Kellogg. 



5 Crataegus furcata, n. sp. 



* Glabrous with the exception of the hairs on the young leaves and 

 petioles and on the calyx-lobes. Leaves oval to slightly obovate, acute 

 and short-pointed, acuminate or rounded at the apex gradually narrowed 

 to the concave-cuLate entire base, and coarsely serrate above the rmddle 

 with straight or incurved glandular teeth; when they unfold deeply 

 Wed with red and covered above by short white hairs and glabrous 

 below with the exception of small axillary tufts and o a few ^a-s along 

 tl midribs, nearly fully grown when the flowers open m the first week of 

 May and then thin, yellow-green, smooth, lustrous and glabrous above 

 and at maturity thin but firm in texture, dark ye low-green, glabrous and 

 very lustrous on the upper surface, paler and still spanngly villose on the 

 lower surface on the prominent rose-colored midribs and slender obscure 

 primary veins, 4-5 cm. long and 1.5-2.5 cm. wide; petioles slender, 

 Slightly wing-margined at the apex, villose on the upper side while young 

 becoming Jabrous, rose-colored in the autumn, 6-12 mm. m length 

 leaveTon "gorous shoots thicker, ovate, acuminate and long-pointed at 



i 



