19251 PALMER. SYNOPSIS OF NORTH AMERICAN CRATAEGI 79 



accincta Sarg. Fruit narrow -oval, scarlet, 7-8 mm. diameter. 



armata Beadle (?) Fruit globose, dull red, 5-8 mm. diameter. Color of 



anthers unknown, 

 attenuata Ashe. Fruit oblong, dull red or green mottled, 8-12 mm. 



diameter. Stamens sometimes 15 or more, 

 bellica Sarg. Fruit short-oblong or subglobose, dull dark red, 8-10 mm. 



diameter. Corymbs sometimes slightly villous, 

 calophylla Sarg. Fruit short-oblong or slightly oval, orange-red, dark 



dotted, 8-9 mm. diameter. 



crus-galli L. Fruit short-oblong or subglobose, dull red, 8-12 mm. diam- 

 eter. 



Farwellii Sarg. Fruit oval or obovoid, crimson, 



&-10 mm. diameter. 



Corymbs often villous. 



geneseensis Sarg. Fruit short-oblong, scarlet, dark dotted, 10-12 



diameter, 

 hamata Sarg. Fruit short-oblong or < 

 dark dotted, 11-12 mm. diameter. 



green 



helvina Ashe. (?) Fruit obovoid or subglobose, light red, 10-14 



green mottled, 9-12 



diameter. Color of anthers not given, 

 immitis Ashe. (?) Fruit globose, dark re< 



diameter. Color of anthers not given, 

 infesta Sarg. Fruit oblong or oval, dull yellow or tinged with orange, 



9-10 mm. diameter, 

 macra Beadle. Fruit subglobose or oval, red, 5-8 mm. diameter, 

 multispina Ashe. (?) Fruit oblong, dull red-brown, 7-9 mm. diameter. 



Color of anthers not given, 

 operta Ashe. Fruit oblong, dark red, 



sometimes slightly villous, 

 permera Sarg. Fruit short-oblong, gre 



diameter, 

 pyracanthoides Beadle. Fruit globose, bright red, 5-8 mm. diameter. 



schizophylla Egglest. Fruit pyriform-el 



10-12 mm. diameter. Corymbs 



8-9 



dark 



eter. 



setosa Sarg. Fruit subglobose or depressed-globose, crimson, dotted, 



9-11 mm. diameter. Corymbs sometimes slightly villous. 



tenuis Sarg. Fruit oval to ovoid, dull green or red tinged, pale dotted, 

 6-7 mm. diameter. 



trahax Ashe. Fruit globose or oblong, crimson, dark dotted or mottled, 



8-10 mm. diamete^. 

 Wilkinsonii Ashe. Fruit oblong, dark red, 10-14 mm. diameter. 



DD. Leaves broader, obovate, oval or oblong (on vigorous shoots broadly 

 oval to suborbicular) 

 Canbyi Sarg. Fruit oblong to obovoid, dark crimson, punctate, 8-10 mm. 



diameter, 

 cerasina Sarg. Fruit short-oblong, bright cherry-red, 8-10 mm. diameter. 



Stamens sometimes 15-20. 



