69O FLORA. 



2. Cornus Suecica L. Northern Dwarf Cornel. (I. F. f. 271 1.) 



Flowering stems 5-25 cm. high. Leaves 3-6 pairs, all opposite, sessile, ovate, or 

 oval, entire, minutely apprised -pubescent above, the upper 1-4 cm. long, the 

 veins all arising from near the base; involucral bracts usually 4, ovate, 6-12 mm. 

 long, obtusish; flowers dark purple, capitate; fruit globose, red, 6-8 mm. in diame- 

 ter; stone flattened. In cold, wet woods, Newf. to Quebec and Alaska. Also in 

 northern Europe and Asia. July-Aug. 



3. Cornus florida L. Flowering Dogwood. (I. F. f. 2712.) A small 

 tree, or large shrub, with very rough bark and spreading branches. Leaves peti- 

 oled, ovate, or oval, rarely obovate, entire, pale and slightly pubescent on the 

 veins beneath, dark green above, 7— 15 cm. long, acute at the apex, usually nar- 

 rowed at the base; bracts of the involucre white or pinkish (rarely rose-red), very 

 conspicuous, obovate, obcordate, or emarginate, strongly parallel-veined, 2.5 -6 cm. 

 long; flowers greenish yellow, capitate; fruit ovoid, scarlet, 10-12 mm. long, 

 crowned with the persistent calyx; stone smooth, channeled. In woods, Me. and 

 Ont. to Fla., Ky., Mo. and Tex. April- June. 



4. Cornus circinata L'Her. Round-leaved Cornel or Dogwood. (I. F. 

 f. 2713.) A shrub, 0.8-3 m - high, the twigs warty, green and glabrous. Leaves 

 petioled, broadly ovate, or orbicular, acute, or short-acuminate, pale beneath, 

 slightly pubescent above, 5-15 cm. long; flowers in rather dense cymes 3-7 cm. 

 broad, the pedicels usually somewhat pubescent; petals ovate; fruit globose, light 

 blue, about 5 mm. in diameter; stone subglobose. In shady, often rocky situa- 

 tions, N. S. to Manitoba, Va., 111. and Iowa. May -June. 



5. Cornus Amdmum Mill. Kinnikinnik. (I. F. f. 2714.) A shrub, with 

 purplish twigs, the youngest commonly pubescent. Leaves .petioled, ovate, oval, 

 or ovate-lanceolate, acuminate, usually finely pubescent with brownish hairs be- 

 neath, 2.5-13 cm. long; flowers in flat cymes; petals narrowly oblong; fruit glo- 

 bose, light blue, 6-7 mm. in diameter, stone oblique, ridged. In wet soil, N. B. to 

 Ont., Fla., S. Dak. and Tex. May-July. [C- scricea L.] 



6. Cornus asperifolia Michx. Rough-leaved Cornel or Dogwood. 

 (I. F. f. 2715.) A shrub, the twigs reddish brown, the youngest rough-pubes- 

 cent. Leaves slender-petioled, ovate-oval, or elliptic, acuminate, pale and woolly- 

 pubescent beneath, densely rough-pubescent above, 3-13 cm. long; petioles and 

 rays of the cyme rough-pubescent; cymes rather loosely-flowered. 5-8 cm. broad; 

 petals oblong-lanceolate; fruit globose, white, about 6 mm. in diameter; stone 

 slightly furrowed, little compressed. In wet ground, Ont. to Fla., Iowa, Kans. 

 and Tex. May-June. 



7. Cornus Baileyi Coult. & Evans. Bailey's Cornel or Dogwood. (I. F. 

 f. 2716.) A shrub with reddish twigs. Leaves slender-petioled, ovate or ovate- 

 lanceolate, acute or acuminate, rather densely woolly-pubescent beneath, 2.5-13 cm. 

 long; petals ovate-oblong; cymes compact, the rays pubescent; fruit white, about 

 6 mm. in diameter; stone flattened, slightly oblique. Lake shores and in moist 

 ground, Penn. to Minn, and the N. W. Terr., Wyo. and Neb. May-June. 



8. Cornus stolonifera Michx. Red-osier Cornel or Dogwood. (I. F. f. 

 2717.) A shrub, 1-5 m. high, usually stoloniferous, the twigs glabrous and bright 

 reddish purple. Leaves slender-petioled, ovate, ovate-lanceolate or oval, acute or 

 short-acuminate, white or whitish and sparingly pubescent or glabrous beneath; 

 petals ovate-oblong; fruit white or whitish, globose, 6-8 mm. in diameter. In 

 moist soil, N. S. to Yukon Terr., Va., Ky., Neb., Ariz, and Cal. June July. 



9. Cornus candidissima Marsh. Panicled Cornel or Dogwood. (I. F. 

 f. 2718.) A shrub with gray smooth twigs. Leaves petioled. lanceolate or ovate- 

 lanceolate, long-acuminate at the apex, acute at the base, minutely appressed- 

 pubescent on both sides, pale beneath, 3-10 cm. long; cymes somewhat paniculate; 

 petals lanceolate; fruit globose, white, about 6 mm. in diameter; stone subglobose. 

 In rich soil, Me. to N. Car., Minn, and Neb. May-June. 



10. Cornus stricta Lam. Stiff Cornel or Dogwood. (I. F. f. 2719.) 

 A shrub, 2.5-5 m - high, resembling the preceding; twigs purplish or reddish 

 brown. Leave- petioled, ovate, or ovate-lanceolate, acute or acuminate, sparingly 

 appressed-pubeseent on both side-. 3 S cm. long, the margins often minutely den- 

 ticulate, green above and beneath; cymes rather loosely flowered, their rays 



