472 



BOSACEAE ([ROSE FAMILY} 



shrubs or trees, 3-8 m. high, ivith irregular ascending branches and numer- 

 ous curved chestnut-brown spines 3-0 cm. long. — liocky woods. 



Fruit conspicuously'anfrled, strongly pruinose. 



Leaves usually cuneate 



Leaves cordate 



Fruit without conspicuous anjrles, slightly pruinose. 

 Leaves ovate, cuneate or cordate. 



Leaves usually cordate 



Leaves usually cuneate. 



Lol)es of leaves shallow, acute 

 Lobes of leaves deep, acuminate . 

 Leaves olliptic-ovate, cuneate .... 



o9. C, pruinosa. 

 40. C. deltoides. 



41. C. silvicola. 



42. 



C. heata. 

 C. leiophylla 

 C. Jesupi. 



30. C. pruinbsa (Wendl.) C. Koch. Leaves elliptic-ova^e to broadly ovate, 

 2.5-G cm. long and wide, membranaceous ; flowers about 2 cm. wide ; stamens 



about 20 ; antliers pink, rarely yellow ; fruit 

 apple-green, becoming scarlet or ^\\y^\q, 1.2- 

 1.5 cm. thick ; flesh yellow, sweet ; nutlets 

 6-8 mm. long ; nest of nutlets 8-9 mm. thick. 

 — Common, w. N. E. to s. Wise, Mo., Va., 

 and s. in the mts. El. May ; fr. Oct., Nov. 

 EiG. 779. EormaDissoNA (Sarg.) Eggleston. 

 Stamens 10. — With the typical form 



Var. Iatis6pala (Ashe) Eggleston. Leaves 

 more nearly entire ; fruit reddish-brown. 

 (C. cognata Sarg.) — With the typical form. 

 Var. pHiLADELPiiiCA (Sarg.) Eggleston. 

 Leaves with more acuminate lobes, those on 

 vegetative shoots usually cordate. (C.fusca 

 Sarg.) — Range of typical form. 



Var. conjuncta (Sarg.) Eggleston. Fruit 

 less angular and not highly colored ; anthers 

 light yellow. — Range of typical form. 



Var. Portdri (Britton) Eggleston. Eruit 

 pyriform, reddish-brown. — Rocono Mt. and 

 adjacent region, e. Ra. 



40. C. deltoides Ashe. Leaves broadly 

 ovate, 3-7 cm. long and broad, abruptly 

 acuminate at the apex, cordate or truncate 

 at the base, with 4-6 pairs of broad acumi- 

 nate lobes; flowers about 2 cm. broad; 

 stamens about 10 ; fruit depressed-globose, bright red, 1-1.5 cm. thick; flesh 

 yellow ; nutlets 6-7 mm. long; nest of nutlets 8-10 mm. thick. — Dutchess Co., 

 N. Y., and e. Ra. El. May ; fr. Oct. 



41. C. silvicola Ikadle. Leaves triangular-ovate, 2-7 cm. long, 2-6 cm. wide, 

 rounded, truncate, or on vegetative shoots cordate at the base, incisely lobed ; 

 flowers about 1.5 cm. wide; stamens 10 ; fruit globose, 1-1.1 cm. thick, slightly 

 angular, red; the 3-5 nutlets 6-8 mm. long; nest of nutlets 7-8 mm. thick. — 

 N. Ala. and n. w. Ga. 



Var. Beckwithae (Sarg.) Eggleston. Leaves sharply lobed ; flowers about 2 

 cm. wide ; fruit subi,dobose to compressed-globose, \;herry red, 1.2-1.5 cm. 

 thick ; nutlets 0-8 nnn. long ; nest of nutlets 8-10 mm. thick. (C. Bobbinsiana 

 Sarg. ; C. sequax Ashe.) — Frequent, w. N. E. to s. Mich., and s. to Ra. Fl. 

 May ; fr. Oct. 



42. C. beata Sarg. Leaves 3-8 cm. long, 2.5-7 cm. wide, broadly cuneate 

 to truncate at the base, acutely lobed, membranaceous, dull ; flowers about 2 cm. 

 wide; stamens about 20; fruit sJiort-eUipsoidal, sliijhtlv anc?ular, crimson, 

 slightly pruinose, 1-1.5 cm. thick ; the 4-5 nutlets 6-8 mm.'lonq:^ nest of nutlets 

 9-11 mm. thick. —Occasional, w. N. Y. and s. Ont. El. May ;' fr. Oct. 



Var. c6mpta (Sarg.) Eggleston. Leaves on vegetative shoots sometimes 

 stibcordate, subcoriaceous ; flowers about 1.5 cm. wide; stamens 7-10 ; nutlets 

 3-4. — Similar range. FL May ; fr. Oct. 



779. 0. pruinosa. 



