40 



HANDBOOK 14 8, U.S. DEPARTMENT OF AGRICULTURE 



29. Leaves grayish-cobwebby-hairy on both surfaces, 

 dull opaque green, oblong to oval or reversely 

 egg-shaped (obovate) to reversely lance-shaped 

 (oblanceolate), narrowed to rounded at base; 

 stipules heart- to egg-shaped in outline; catkins 

 to 2 inches long; stamen stalks not united; twigs 

 stoutish, drying black, almost hairless; mountain 

 bogs, middle to higher elevations, Cascades, 

 Wallowa Mts., ne. Oreg. ; type localitv, Wallowa 

 Mts. 



undergreen willow (Salix commutata) . 



29. Leaves nearly hairless, dark almost transparent 

 green, broadly lance- to egg-shaped, rounded to 

 heart-shaped at base; stipules half-moon- or 

 broadly egg-shaped in outline; catkins to 2){ 

 inches long, lax; stamen stalks united near base; 

 flower scales dark brown, hairy, persistent; twigs 

 yellow to brown, shiny, hairless; along streams, 

 e. Oreg., e. Wash.; type locality, Hatwai Creek 

 valley, Nez Perce Co., Idaho. 



greensides willow (Salix monochroma) . 



Firmleaf willow 



Grayish cobwebby-hairy 

 on both sides 



Undergreen willow 



F-49403C. 



Greensides willow 



