KEY TO THE SPECIES OF VIBURNUM 



223 



Fig. 367. — Hairy Laurestiuus. 



KEY TO THE SPECIES OF VIBUKNUM 



* Snowball group, with all the flowers enlarged and sterile and thus 



forming no fruit. (A.) 

 A. Leaves deciduous, smooth, feather-veined with notched edges but 

 not lobed. (B.) 

 B. Leaves finely notched, dark green above ; flower-clusters 7-8 

 inches broad. Chinese Snowball — Viburnum macroc^pha- 

 lum sterile. 

 B. Leaves coarsely notched and plaited ; flower-clusters 3 inches 

 broad. Japanese Snowball (350) — Viburnum tomentosum 

 plicatum. 

 A. Leaves radiate-veined and broadly 3-lobed. Snowball or Guel- 

 der ' Rose' — Viburnum Opulus sterile. 



* Mixed group ; some of the flowers fruit-producing but the marginal 



ones enlarged and sterile ; leaves deciduous. (C.) 

 C. Leaves without lobes ; drupes red becoming darker. (D.) 



D. Leaves orbicular, somewhat heart-shaped, 3-8 inches broad. 



HoBBLK-RrSH, WiTCH HOBBLE, Or MOOSEWOOD (351) — Vi- 



burnum alnifolium. 



