250 Karl M. Wiegand and Arthur J. Eames 



e. Leaves deltoid-ovate, more acute ; teeth and lobes sharper than in nos. 

 12 and 13, the upper surface usually slightly strigose; disk 5-5.5 mm. 

 wide ; anthers dark purple ; fruit less drooping, scarlet-crimson, scarcely 

 glaucous, generally 12—16 mm. in diam. 14. C. beata 



c. Stamens 5-12 ; leaves of ordinary texture or waxy, glabrous or hairy ; fila- 

 ments usually entirely free; (sepals usually free except in no. 15; fruit 

 generally not glaucous). 

 d . Flowers subumbellately corymbose, usually few ; bracts usually conspicuous ; 

 leaves firm, usually waxy, yellowish green when young, the teeth thick ; 

 petioles rather stout and short, 7-18 (27) mm. long, more or less margined ; 

 winter buds nonglutinous ; sepals generally serrate or pectinate ; fruit on 

 short stiff pedicels, dull orange-red ; flesh firm ; hypanthium prominent. 

 e. Leaves on the shoots ovate, subtruncate at base. 

 /. Foliage, corymbs, and ovaries rough-hairy and glandular. 



9. C. intricata 

 /. Foliage, corymbs, and ovaries glabrous. 10. C. Boyntoni 



e. Leaves on the shoots oval, more or less cuneate at base, glabrous; (corymbs 

 more branched than in nos. 9 and 10). 11. C. straminea 



d. Flowers distinctly corymbose, often numerous ; bracts usually inconspicuous ; 

 young foliage generally bronzy green (yellowish green in no. 19) ; 

 petioles slender, 8-40 mm. long, rarely margined at all ; winter buds 

 glutinous, especially when unfolding ; sepals subentire or serrate ; fruit on 

 stiff or drooping pedicels, mostly crimson or scarlet; flesh usually suc- 

 culent; hypanthium not prominent (except sometimes in no. 16). 

 e. Leaves of waxy texture, substrigose above or glabrous ; teeth thin or 



thick ; corymbs glabrous. 15. C. filipes 



e. Leaves of ordinary texture, strigose or slightly rough above ; teeth thin. 

 /. Sepals narrow, taper-pointed, entire, reflexed ; fresh, unopened anthers 

 purple, 1.5-1.7 mm. long; corymbs usually glabrous; fruit 12-14 mm. 

 in diam., generally oval ; filaments usually persisting fresh ; leaves 

 rather small, the larger ones mostly 20-40 mm. wide, or at maturity 

 up to 50 (60) mm. wide. 16. C. macrosperma 



f. Sepals generally broader, serrate, spreading or ascending ; fresh, un- 

 opened anthers pink or white, 1.9-2.5 mm. long; corymbs glabrous or 

 villous ; fruit 14-19 mm. in diam. ; filaments generally withering ; 

 leaves large, elliptic-ovate to broadly ovate, the larger ones mostly 

 (30) 40-70 (90) mm. wide. 

 g. Leaves elliptic-ovate and subacurninate except on leading shoots; 

 corymbs usually glabrous; anthers pink; fruit pyriform. 



17. C. Holmesiana 

 g. Leaves broad, full and rounded ; fruit pyriform or subglobose. 

 //. Leaves glabrous or nearly so beneath; petioles glabrous; anthers 



pink ; corymbs hairy or glabrous. 18. C. coccinea 



h. Leaves and petioles villous or subtomentose ; anthers cream color; 



corymbs hairy. 19. C. submollis 



1. C. moxogyna Jacq. (C. Oxyacantha of Gray's Man., ed. 7. C. oxycantha of 

 Cayuga Fl.) English Hawthorn. 



Pastures, in gravelly or loamy subcalcareous soils ; occasional. May 25-June 10 ; 

 fr. Sept. 20-Oct. 



Escaped from cultivation: near Cascade Pond, formerly (D.) ; Dwyer Pond; 

 Cortland marl ponds ; near Levanna ; rather common in pastures and along the shore 

 of Cayuga Lake at Farley Point (D.\) ; near L T nion Springs (Wm. Moore !) ; grassy 

 levels in Big Gully (D., Wm. Moore). Apparently absent on the bills s. and s. e. of 

 Itbaca. 



Native of Eurasia. 



