CORNUS 1^1 



ches gray, the young twigs reddish or purplish; pith slender,brown 

 (rarely white). Shores, Mississippi to Texas, north to Ontario, 

 Iowa, and Nebraska, 



6. C. amomum Mill. Silky Cornel. Kinnikinnik . A shrub 

 1-3 m'. high, with loose branching; not stoloniferous, although the 

 lower branches may bend downwards and root in wet soil; twigs 

 ffreen, becoming purplish, bearing silky-downy or rusty pubes- 

 cence; pitH'Wown; buds nearly sessile. Damp thickets, Maine to 

 Indiana, south to Georgia and Alabama (Fig. 235). 



^ 7. C. obliqua Raf. Silky Dogwood. Shrub or small tree to 

 3 m. high; branchlets purple or yellowish red. Damp thickets, 

 New Brunswick to North Dakota, south to Kentucky, Arkansas and 

 Oklahoma (Fig. 236). 



8. C. racemosa L am. Panicled Dogwood. (C. paniculata 

 L'Her. ). A shrub 2-5 m. high, with smooth light gray bark; twigs 

 gray, glabrous; pith sometimes white but generally brownish, 

 especially in 2-year-old branchlets. Dry soil, Maine to Ontario 

 and Minnesota, south to Kentucky, Missouri, and Oklahoma (Fig. 

 237.). 



9. C. alternifolia L. f. Alternate-leaf Dogwood. Shrub or 

 small tree to 8 m. high, the branches spreading in irregular 

 whorls to form horizontal tiers; branchlets glabrous, greenish; 

 leaf-scars alternate, but crowded. Dry woods, Newfoundland to 

 Ontario and Minnesota, south to Georgia, Alabama, and Missouri 

 (Fig. 238). 



CLETHRA L. (Clethraceae) 



Deciduous shrubs or small trees with stellate pubescence. 

 Twigs rounded; pith relatively large, continuous, with a network 

 of firmer strands. Buds solitary, sessile, the lateral small, the 

 terminal larger, rosy, acute. Leaf-scars alternate, clustered 

 toward the tip, triangular; bundle-trace 1; stipule-scars none. 



a. Shrub to 3 m. high, on the 



coastal plain ^ l.C.alnifolia 



a. Taller shrub or small tree, to 6 m. 



high, in the mountains 2. C. acimiinata 



1. C. alnifolia L. Sweet Pepper bush. Shrub 1-^3 m. high; 

 twigs slender; terminal bud about 5 mm. long. Damp woods, on 

 the coastal plain, Texas to Florida, north to Maine (Fig. 239). 



