1 8 Sierra Club Publications. 



Salix Sitchensis angustifolia Bebb. Shrub with dull brown 

 bark. Leaves oblanceolate, becoming smooth above, clothed 

 with a lustrous wool on the lower surface. Catkins coming out 

 with the leaves, long and narrowly cylindrical. Capsules on the 

 female catkin white- woolly. Peduncles short, with 2-3 leaves at 

 base. Bubbs Creek, in flower. 



Salix Lemmoni Bebb. Shrub with brown, glossy bark. 

 Leaves and young twigs downy, becoming smooth. Leaves 

 oblanceolate, 1-2 in. long, not more than half inch wide, dis- 

 tantly serrulate, paler on the lower surface than the upper. Cat- 

 kins short, almost sessile, with a few leaves on the short ped- 

 uncles. Millwood, in May, with the female catkins almost gone. 

 This was identified by Bebb. 



Salix Covillei Eastwood. Shrub a few feet high, older stems 

 brown, younger ones clothed with a glaucous bloom that is easily 

 rubbed off. Leaves oblong to oblanceolate, without stipules on 

 the flowering branches. Upper surface silky-pubescent becoming 

 smooth, lower clothed with silvery silky hairs, densely appressed. 

 Catkins appearing before the leaves, sessile, scattered, short. 

 Female catkins with the bracts and capsules clothed with white 

 hairs. Bubbs Creek, near the foot-bridge above the ford. 



Salix glauca villosa Anders. Shrub with spreading 

 branches and glossy, brown bark. Leaves oblanceolate, pointed, 

 softly villous when young, becoming smooth and rigid when old. 

 Catkins on short leafy peduncles, short, erect, with tomentose 

 ovaries, long styles and 2 distinct stigmas. This is the common 

 willow of timber line and below in the meadows at the upper 

 altitudes. East Lake and Bullfrog Lake. It is in bloom in July. 



Salix petrophila Ryd. This willow is only a few inches 

 in height. It forms mats on the ground, and the little 

 catkins peep out from amid the matted stems and small leaves. 

 The ovaries are tomentose, the stigmas bifid. It was collected in 

 the amphitheatre below Harrisons Pass ; in full bloom early in 

 July. 



Populus trichocarpa Torr. «& Gray. Balsam Cotton- 

 wood. Tree with thick, cracked bark. Leaves ovate to oblong- 

 lanceolate, cordate, acuminate, lower surface lighter in color than 

 the upper, often viscid with balsam. Bubbs Creek and Kings 

 River Caiion. 



Populus Fremonti Watson. Broad-Lbaved Cotton- 

 wood. This is seen in the foot-hills along streams and in the 

 valleys below. The leaves are broad, triangular, with a broad 

 sinus at base. It is a large tree with spreading branches. 



