178 



KOSACEAE (ROSE 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. Robinson} to Minn., s. in the mts. to 

 Va. Fl. May ; fr. Sept. FIG. 783. Var. RIIO.V- 

 Bir6LiA (Sarg.) Eggleston is a form with more 

 villous corymbs and smaller fruit. With the typi- 

 cal form. Var. OCCIDENTALS (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. succulnta (Schrad.) Eggleston. Stamens 



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. Chapman! (Beadle) Ashe. Leaves 

 rhombic-ovate, 4-11 cm. long, 3-8 cm. wide, acute 

 or acum ^ na ^ e i those on vegetative shoots obtuse 

 an( ^ more entire than the others, pubescent on both 

 sides, becoming scabrate above, sub coriaceous, dull 

 S reen 5 petioles pubescent ; corymbs white-tomen- 

 ^ ose ' fl owers about 1.5 cm. wide; stamens 10-20, 

 usuan y about 20 ; anthers small ; styles 2-4 ; fruit 

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

 flesh yellow ; nutlets usually 2-3, about 5 mm. 

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

 (C. tomentosa, var. microcarpa Chapm. ; C. tomen- 



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



Ga. Fl. May ; f r. Sept. 



Var. Plukenetii 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. leucophleos Moench ? C. tomentosa of the 



Linnean herbarium and auth., not of the Lin- 



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-tomentose 



beneath; petioles 5 mm. long; corymbs 3-8- 



flowered, densely white-tomentose ; flowers 



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



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



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



flesh sweet; nutlets 5.5-6.5 mm. long, with 



large deep pits on the ventral faces ; nest of 



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



4-7 cm. long. Rocky bluffs, s. Mo.; Tenn. 



(Ashe). Fl. May; fr. Sept r 



18. DOUGLASlANAE [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 784 c Douff]asil 



and pubescent above (particularly along 



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

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



