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HANDBOOK 148, U.S. DEPARTMENT OF AGRICULTURE 



10. Pith solid; twigs faintly hoary with fine, whitish, curved 

 hairs; bark of older branches dark brown; berries ellips- 

 oid, single or in pairs at upper joints; moist to dry 

 sites, at higher altitudes, e. Oreg., e. Wash. 

 whortleleaf snowberry (Symphoricarpos vaccinioides) . 

 End buds present, twig tips not dying back. 

 11. Buds (at least some) stalked. 



12. Twigs and buds brown-scurfy with silvery-fringed scales; 

 leaf scars with only 1 bundle trace; buds of 2 kinds: (a) 

 tiny, globe-shaped flower buds in branched clusters, and 

 (b) larger leaf buds with only 1 pair of bud scales visible; 

 shrubs to 6 feet high; open woods, medium altitudes, Blue 

 Mts., ne. Oreg., rare in e. Wash. 



russet buffaloberry (Shepherdia canadensis) . 

 12. Twigs and buds not brown-scurfy; leaf scars with 3 bundle 

 traces. 



Whortleleaf snowberry 



F--194099 



