I12 Muhlenbergia, Volume 9 
ALNUS SINUATA (Regel) Rydb. Alder. 
In the foothills, infrequent. 
FAGACEAE 
OuERCUS GRRRYANA Doug]. Scrub oak. 
Dry, exposed places at South Bellingham, Annze L. Falls. 
URTICACEAE 
Urtica LYALLI Wats. Nettle. 
Widely distributed in rich soil. 
Humutus Luputus L. Hop. 
Introduced in low ground, Ten Mile. 
ARISTOLOCHIACEAE 
ASARUM CAUDATUM Lindl. Wild ginger. 
Along streams in the mountains, Lookout mountain. 
POLYGONACEAE 
RUMEX ACETOSELLA L. Sheep sorrel. 
A common field and garden weed. 
RuMEX crispus L. Yellow dock. 
Common in fields, introduced. 
RUMEX OCCIDENTALIS Wats. Western dock. 
Common in low, wet ground. 
RUMEX CONGLOMERATUS Murr. Clustered dock. 
Sparingly introduced. 
RUMEX OBTUSIFOLIUS L. Bitter dock. 
Rare, introduced about Bellingham. 
POLYGONUM CONVOLVULUS L. Bindweed. 
A very common weed in fields. 
POLYGONUM AVICULARE LL. Doorweed. 
Common along paths and in yards. 
POLYGONUM SPERGULARIAEFORME Meisner 
Uncommon along Bellinghatn bay. 
POLYGONUM BISTORTOIDES Pursh. Alpine smartweed. 
Abundant in the meadows of Mt. Baker. 
POLYGONUM AMPHIBIUM L. Water smartweed. 
Rare, growing in ponds. 
