544 



CORNACEAE. 



4. Cornus circinata I,' Her. Round-leaved Cornel or Dogwood. 



Cornus rugosa Lam. Encycl. 2: 115. 1786? 

 C. circinata L,' Her. Cornus, 7. pi. j. 1788. 



A shrub, 3-io high, the twigs warty, 

 green and glabrous. Leaves petioled, 

 entire, broadly ovate, orbicular, or even 

 wider than long, acute, or short-acuminate 

 at the apex, mostly rounded or truncate 

 at the base, pale and densely soft-pubes- 

 cent beneath, slightly pubescent above, 

 *'-(/ long; petioles 3 // ~9 // long; flowers 

 white in rather dense cymes i#'-2%' 

 broad, the pedicels usually somewhat 

 pubescent; petals ovate; fruit globose, 

 light blue, about 2 ' " in diameter; stone 

 subglobose, somewhat ridged, sometimes 

 broader than high. 



In shady, often rocky situations, Nova 

 Scotia to Manitoba, south to Virginia, Illi- 

 nois and Iowa, and Missouri (according to 

 Tracy). May-June. 



[VOL. II. 



(Fig. 2713.) 



6. Cornus asperifolia Michx. 



Rough-leaved Cornel or Dogwood. 



(Fig. 2715.) 



C. asperifolia Michx. Fl. Bor. Am. i: 93. 1803. 

 Cornus Drummondii C. A. Meyer, Mem. Acad. 



Petersb. (VI). 5: 210. 1845. 



A shrub, 3-i5 high, the twigs reddish 

 brown, the youngest very rough-pubescent. 

 Leaves very slender-petioled, ovate-oval, or 

 elliptic, acuminate at the apex, mostly ob- 

 tuse at the base, pale and woolly-pubescent 

 beneath, densely rough-pubescent above, 

 I #'-5' long; petioles and rays of the cyme 

 rough-pubescent; cymes rather loosely-flow- 

 ered, 2'-3' broad; petals white, oblong- 

 lanceolate; fruit globose, white, about 3" in 

 diameter; stone slightly furrowed, little com- 

 pressed, often oblique, more or less broader 

 than high. 



In wet ground, or near streams, southern 

 Ontario to Florida, west to Iowa, Kansas and 

 Texas. The southeastern plant ( C. asperifolia ) 

 maybe distinct from the western (C. 

 mondii. ) May-June. 



5. Cornus Amdnum Mill. Silky 

 Cornel. Kinnikimiik. (Fig. 2714.) 



C.Amonum Mill. C.ar.l Diet. Kd. 8, No. 5. 1768. 

 > stricea L. Mant. a: 199. 1771. 



A shrub, 3-io high, with purplish twigs, 

 the youngest commonly pubescent. Leaves 

 petioled, ovate, oval, or ovate-lanceolate, 

 acuminate at the apex, narrowed or rounded 

 at the base, usually finely pubescent with 

 brownish hairs beneath, glabrous or min- 

 utely appressed -pubescent above, i'-5' long; 

 flowers white, in rather compact flat cymes 

 l#'-2#' broad; petals narrowly oblong; fruit 

 globose, light blue, 3"-3#" >n diameter, 

 stone oblique, ridged, narrowed or pointed at 

 base, sometimes slightly broader than long. 



In low woods and along streams, New Bruns- 

 wick to Ontario and Dakota, Florida, Nebraska 

 and Texas. Swamp Dogwood. May -July. 



2 



