Trees of the Northern United States 07 



51. l.obes narrow, deep, and acute; fruit clHpsoid-pyrifonn. 

 C. subiiwUis. 



— Oxyacantluic. — 



■vl. Leave.s ovate. .'M^-lobed or cleft. C. nionof/yna. 



/\iri'ifuliac. — 

 ")■{. Leaves .sniall. subcoriaceous, corymbs l-'i-Howered. 

 C. iiniflora. 



— Doui-jhismnac. — 



•V4. Leaves subcoriaceous, petioles |-'i in. long. C". doiif/lasii. 



— Cordatac. — 

 •>5. Leaves often conspicuously ."^-^-lobed, petioles i-2 in. 

 lony. C. phariiopyniiii. 



1. Crataegus crus-galli L. Cockspur Hawtborn. A 

 sniall tree with spreading- branches and num'erous slender 

 thorns. Leaves coriaceous, shining above, sharply serrate. 

 Fruit ellipsoid-ovoid to subglobose, greenish to red. flesh 

 hard, remaining on the branches until late in the winter. 

 The best hawthorn for hedges. X. Y. to Ont.. south to 

 Conn.. Ga., and Kan. 



2. Crataegus berberifolia T. & G. J^)arberry-leaf 

 Hawthorn. A small tree with spreading- branches and a 

 broad crown, with few thorns, Leaves oblong-cuneiform, 

 spatulate. or obovate. rougli-puliescent a1)ove. white-pubescent 

 or tomentose beneath. Fruit subglobose to short-ellipsoid, 

 yellow, orange, or red. Ky. to Mo. and the Gulf States. 



■S. Crataegus schizophylla Eggl. ^fartha's Vineyard 

 Kawtborn. A small tree with irregular ascending branches 

 and lunnerous thorns. Leaves oblong-ovate to ovate, coarsely 

 serrate with short acute lobes toward the apex, glalirous. 

 slightly impressed-veined. PVuit pyriform-ellipsoid, dark red : 

 nutlets ribbed on the back. Mass. 



I. Crataegus denaria lU-adle. ralnior's Hawthorn. .\ 

 small tree with spreading branches and a round-topped crown. 

 Leaves oval, ovate, or oblong-ovate, often slightly lobed to- 

 wards the apex. Fruit globose or subglobose. reddish-green or 

 light red. In low rich soil. Ky. to Mo. and Miss. 



.'.. Crataegus fecunda S.ir-. I'mitfnl Hawthorn \ 

 small tree with spreadini; bi-.nu lus ;m(l nnnicmns rboriis 



