KEY TO THE CORNELS AND DOGWOODS 217 



F. Berries dark blue on red stems ; shrub to 25 feet ; flower- 

 clusters 1-2J inches broad. Alternate-leaved Cornel (338) 

 — Cornus alternif blia. 



F. Berries blue-black ; hardy only South, tree to 60 feet ; flower- 

 cluster 3-4 inches broad. Japan Cornel — Cornus macro- 

 phylla. 



E. Leaves opposite ; flowers in broad, umbel-like compound clusters, 

 cymes. (G.) 



G. Fruit white or nearly so (bluish or greenish white in some 

 species). (H.) 



H. Leaves nearly smooth beneath but whitish with straight 

 close-pressed hairs. (I.) 

 I. Branches blood-red or bright yellow, in either case there 

 are varieties with variegated foliage. (J.) 

 J. Main stem prostrate and rooting ; shrub to 8 feet, broad, 

 bush-like ; stone of fruit wider than high. Red-osier 

 Dogwood (342) — Cornus stolonifera. 

 J. Shrub to 10 feet with erect stems ; stone of the fruit 

 longer than wide and flattened; white berries ripe in 

 July. Red-stemmed Dogwood or White-fruited Dog- 

 wood (343) — Cornus d,lba. 

 I. Branches gray ; fruit white on red stems in more elongated 

 clusters, ripe in Aug. and remaining till Jan. Shrub 

 6-15 feet beautiful in bloom and fruit. Paniolbd Cornel 

 (344) — Cornus candidfesima (C. paniculata). 

 H. Leaves downy-hairy below. (K.) 

 K. Branches dark red ; leaves narrow. Erect-growing ; ex- 

 cellent for sandy soil, blooming nearly all summer. 

 Bailey's Dogwood (345) — Cornus BMleyi. 

 K. Young branchei^' green with purple blotches ; leaves 

 broad ; berries tluish or greenish with red stems. 

 Round-leaved Cornel or Dogwood — Cornus circin^ta. 

 G. Fruit blue or black. (L.) 

 L. Fruit pale blue with globular, nearly smooth stone; leaves 

 greenish both sides ; branches reddish; shrub to 15 feet, 

 not fully hardy North. Stiff Cornel (346) — Cornus 

 stricta. 

 L. Fruit light blue with oblique-ridged stone ; branches purple 

 and usually hairy, especially when young ; shrub 3-10 feet. 

 Silky Cornel or Kinnikinnik (347) — Cornus Ambmum. 

 L. Fruit black ; flowers greenish-white ; branches purple or 

 blood-red ; shrub to 12 feet. European Cornel or Red- 

 osier (348) — Cornus sangufnea. 



