with 



1925] PALMER, SYNOPSIS OF NORTH AMERICAN CRATAEGI 111 



Arnoldiana Sarg. Fruit subglobose, bright crimson with pale lenticles, 

 15-20 mm. diameter. 



champlainensis Sarg. Fruit obovoid to oblong, bright scarlet 

 lenticles, 15-20 mm. diameter. Leaves sometimes broade,. 



submollis Sarg. Fruit obovoid, bright orange-red, 15-20 mm. diameter. 



Tracyi Ashe. Fruit subglobose, deep scarlet, 8-12 mm. diameter. 



uvaldensis Sarg. Fruit subglobose to short-oblong, orange-red, 12-14 

 mm. diameter. 



CC. Leaves of flowering branches broader, mostly rounded to subcordate at 

 base (on vigorous shoots cordate) 



champlainensis Sarg. Leaves 

 as given above. 



Fruit characters 



contortifolia Sarg. Fruit subglobose to short-oblong, bright cherry-red, 



about 15 mm. diameter. 

 Tatnalliana Sarg. Fruit globose, obovoid or rarely oblong, bright orange- 



10-12 



BB. Stamens about 20 



C. Leaves of flowering branches mostly narrowed or rounded at base (on vigor- 

 ous shoots truncate or subcordate) 



amabilis Ashe. (?) Color of anthers unknown. Fruit characters as given 

 above. 



arkansana Sarg. Fruit oblong or rarely obovoid, bright crimson with 



111-** * * 



10-16 



. 13-18 

 Berlandieri Sarg. Fruit 

 diameter. 



canadensis Sarg. Fruit short-oblong to subglobose, crimson with pale 



lenticles, 10-15 mm. diameter, 

 cibaria Beadle. Fruit short-oblong to obovoid, red, 12-15 mm. diameter, 

 dumetosa Sarg. Fruit obovoid, scarlet, dark dotted, 10-15 mm. diameter, 

 invisa Sarg. Fruit short-oblong, orange-red, pale dotted, 10-12 mm. 



diameter. 



limaria Sarg. Fruit oval to ovoid or short-oblong, crimson, pale dotted, 



12-14 mm. diameter. Leaves sometimes broad-based, 

 meridionalis Sarg. 



diameter. 



10-12 



Leaves sometimes broader-based. 



8-9 



obtecta Ashe. Fruit pyriform, dark red, 12-15 mm. diameter. 

 Ridgwayi Sarg. Fruit subglobose or short-oblong, scarlet. 



10-12 



diameter. 



sera Sarg. Fruit obovoid or short-oblong, dull dark red, pale dotted, 



12-20 mm. diameter. 



Treleasei Sarg. Fruit subglobose, crimson, pale dotted, 12-17 mm. 

 diameter. 



umbrosa Sarg. Fruit obovoid to subglobose, scarlet, pale dotted, about 



10 mm. diameter. 



