478 



EOSACEAE (kOSB FAMILY_) 



783. C. macracantha. 



fruit subglobose, about 8 mm. thick, dark cherry-red, shining, villous ; nutlets 

 usually 2-3, 5-7 mm. long, 2.5-3.5 mm. thick. (C coccinea, var. Dudley.) — 

 N. S. (C. B. Bobinson) to Minn., s. in the mts. to 

 Va. Fl. May ; fr. Sept. Fig. 783. Var. rhok- 

 BirdLiA (Sarg.) liggleston is a form with more 

 villous corymbs and smaller fruit. — With the typi- 

 cal form. Var. occidentAlis (Britton) Eggleston. 

 Leaves ovate to broadly oval, sometimes 8 cm. 

 wide. ( C. Colorado Ashe ; C. coloradensis Nelson. ) 



— Frequent, s. Man. to e. Kan., Col., and Ida. 

 Var. succulfinta (Schrad.) Eggleston. Stamen.= 



about 20 ; fruit larger than in the typical form. 



— Occasional, with the typical form. 

 Var. neofluvialis (Ashe) Eggleston. Stamens 



10-20; anthers small; fruit small. — Occasional, 

 w. N. E. to Wise, and Pa., and s. in the mts. 



63. C. ChapmUni (Beadle) Ashe. Leaves 

 rhombic-ovate, 47-11 cm. long, 3-8 cm. wide, acute 

 or acuminate, those on vegetative shoots obtuse 

 and more entire than the others, pubescent on both 

 sides, becoming scabrate above, subcoriaceous, dull- 

 green ; petioles pubescent ; corymbs white-tomen- 

 tose ; flowers about 1.5 cm. wide; stamens 10-20, 

 usually about 20 ; anthers small ; styles 2-i ; fruit 

 globose or subglobose, 8-10 mm. long, bright red; 

 flesh yellow ; nutlets usually 2-3, about 6 mm. 

 long, 2.5 mm. thick, slightly ridged on the back. 

 (C tomentosa, var. microcarpa Chapm. ; C. tom^n- 



iosa, var. Chapmani Beadle.) — Frequent, s. Ky. (C L. Boynton) and Va. to n. 



Ga. Fl. May ; f r. Sept. 



Var. Pluken§tii Eggleston. Fruit pyriform to ellipsoidal, 1-1.5 cm. long, 



orange-red, villous ; flesh yellow ; nutlets usually 2-3, more strongly ridged 



on the back, 5-7 mm. long, 2.5-3 mm. thick. 



( C leucopMeos Moenoh ? C. tomentosa of the 



Linnean herbarium and auth., not of the Lln- 



nean description.) — Common, s. Ont. to w. 



N. J., w. to s. Minn, and e. Kan. ; and in the 



mts. to Ga. Fl. June ; fr. Sept. 



64. C. missourignsis Ashe. Leaves ellipti- 

 cal-ovate, 2-7 cm. long, 1.5-5 cm. wide, sub- 

 coriaceous, simply or doubly serrate, rough 



pubescent and shining above, pale-to mentose 



beneath ; petioles 5 mm. long ; coi-ymbs 3-8- 



flowered, densely white-tomentose ; flowers 



1.2-1.5 cm. wide; stamens about 20; nnthers 



pink ; styles 3-5 ; fruit subglobose or pyriform, 



about 1 cm. thick, bright red, slightly villous ; 



flesh sweet ; nutlets 6.5-6.5 mm. long, with 



large deep pits on the ventral faces ; nest of 



nutlets 6-7 mm. thick ; thorns straight, slender, 



1-7 cm. long. — Rocky bluffs, s. Mo.; Tenn. 



{Ashe). Fl. May; fr. Sept. 



§18. DOUGLASIANAE [Loud.] Sarg. Leaves 

 ovate to obovate, acute or obtuse at the 

 apex, cuneate at the base, doubly serrate 



and lobed except near the base, dark green »o, C D i la ii 



and pzibescent above (particularly along ' ' ' "'^ ' • 



the veins), glabrous below, subcoriaceous'; petioles slightly winged, pubescent 

 and glandular; corymbs glabrous or nearly su; flowers about 1.5 cm. wide; 



