December 3, 1914 III 
LIMNORCHIS STRICTA (Lindl.) Rydb. 
Rare in springy places in the foothills. 
LYSIAS ORBICULATA (Pursh) Rydb. 
Rare on decaying logs in damp woods. 
PIPERIA UNALASCHENSIS (Spreng.) Rydb. Orchis. 
Infrequent in the foothills. 
IBIDIUM ROMANZOFFIANUM (Cham.) House 
Swampy, open places along the shore of Silver lake, Goshen 
DICOTYLEDONEAE 
SALICACEAE 
SALIX SCOULERIANA Barratt. Scouler’s willow. 
Common and widely distributed. 
SALIX MYRTILLOIDES L. Bog willow. 
In peat bogs. 
SALIX CORDATA Muhl. 
Infrequent. 
SALIX SITCHENSIS Sanson. Alpine willow. 
Frequent in the mountains. 
POPULUS TREMULOIDES Michx. Quaking aspen. 
Infrequent, Ten Mile; Wahl. | 
POPULUS TRICHOCARPA T. & G. Cottonwood. 
Common along Nooksack river valley. 
MYRICACEAE 
Myrica GALE L. Sweet gale. 
Peat bogs, Panghorn lake; Green lake. 
BETULACKAE 
CORYLUS CALIFORNICA (A. DC.) Rose. Hazel. 
Common in woods. 
BETULA OCCIDENTALIS Hook. Birch. 
Common in woods. 
BETULA GLANDULOSA Michx. Dwarf birch. 
In sphagnum bogs along Four mile creek; Panghorn lake. 
ALNUS OREGANA Nutt. Red alder. 
A common tree in the bottom lands. 
