70 FiKi.D Manual 



_M. Crataegus ovata Sar^- Ovatc-Icaf Hawihorn. A 

 tree with yellow scaly bark. Leaves ovate-elliptic or obovatc, 

 coarsely serrate or doubly serrate, often somewhat lobed to- 

 wards the apex, dark green and shining above. Fruit globose 

 or compressed-globose, yellow to orange-red. River bottoms. 

 Ky. and Mo. 



•22. Crataegus viridis F. Green Hawthorn. A tree 

 with ascending Ijranches and a broad crown, often witliout 

 thorns. Leaves oblong ovate, serrate or doubly serrate, often 

 lobed toward the apex, dark green and shining above. Fruit 

 globose or compressed-globose, bright red or orange, glaucous. 

 Alluvial soil. Va. to Fla., Ind., 111., Kan., and Tex. 



•2'>. Crataegus intricata Langc. Biltmore Hawthorn. 

 An irregularly branched shrub or small tree with few thorn.^. 

 Leaves elliptic-ovate to broadly ovate doubly serrate or lobed. 

 rough-pubescent. Fruit short-ellipsoid to globose, greenish- 

 yellow or becoming dark reddish-brown, somewhat pubescent. 

 Open rocky woods. N. Eng. and N. Y.. south to S. Car. 

 and Mo. 



24. Crataegus stonei Sarg. Stone's Hawthorn. A 

 much-branched shrub or small tree with prominent thorns. 

 Leaves oblong to oblong-ovate, doubly serrate or lobed. Fruit 

 pyriform to short-ellipsoid, light yellow or yellow-green tinged 

 with red. Rocky soil. Mass., Conn., and N. Y. 



2-^ Crataegus populifolia Walt. Poplar-leaf Haw- 

 thorn. A shrub or small tree with ascending and spreading 

 branches forming a round crown. Leaves deltoid-ovate or 

 oblong-ovate, serrate or doubly serrate with acute lobes. l*>uit 

 globose, light red. without angles. Va. to S. C. 



2i'K Crataegus straminea Beadle. Alleghany Haw- 

 thorn. An irregularly branched shrub or small tree with oc- 

 casional thorns. Leaves elliptic-ovate, doubly serrate or lobed. 

 Fruit pyriform to ellipsoid, angular, yellow-green. Rocky 

 hills. Vt. to Mich., south to Del., Ala., and Mo. 



27. Crataegus boyntoni Beadle. Boynton's Haw- 

 thorn. A round-topped, irregularly branched shrub or small 

 tree with occasional thorns. Leaves oval to ovate, doubly 

 serrate or slightly lobed. Fruit subglobose. orange-red or 

 red-brown. Shaly soil'. ATass. to Mich., south to S. C. and 

 Tenn. 



