130 Muhienbergia, Volume 9g 
LACTUCA SPICATA (Lam.) A. S. Hitchcock. 
Infrequent in woods and swamps. 
LACTUCA SCARIOLA INTEGRATA Gren. & Godr. Prickly lettuce. 
In fields and along roads near Bellingham. 
SONCHUS ASPER (L.) Hill. Sow thistle. 
A common field weed. 
AMBROSIACEAE 
GAERTNERIA BIPINNATIFIDA (Nutt.) Kuntze. Sand bur. 
Along the seashore, Birch bay; Chuckanut bay. 
ASTERACEAE 
GRINDELIA INTEGRIFOLIA DC. 
Near Chuckanut bay. 
GRINDELIA OREGANA Gray 
Infrequent at Birch bay. 
SOLIDAGO ELONGATA Nutt. Golden rod. 
Common. 
ERIGERON PHILADELPHICUS L. 
Rare except along Baker river valley. 
ERIGERON CANADENSIS lL. Fleabane. 
An uncommon weed. 
An unidentified Zrzgeron was collected on Mt. Baker. 
ASTER FREMONTII T. & G._ Aster. 
Infrequent on the uplands. 
ASTER FOLIACEUS FRONDEUS Gray. Aster. 
Common on Mt. Baker. 
Av undetermined As/er is infrequent in the lowlands, and 
another is common on Mt. Baker. 
MADIA EXIGUA (Sinith) Greene 
Infrequent, South Bellingham. 
MADIA RACEMOSA (Nutt.) Torr. 
Common along roads, Guide Meridian. 
MADIA MADIOIDES (Nutt.) Piper 
Infrequent along Bellingham bay. 
MADIA GLOMERATA Hook. Tarweed. 
Along roadside between Bellingham and Wahl, 
