114 Muhlenbergia, Volume 9 
ALSINE MEDIA L. Chickweed. 
Common in gardens. 
ALSINE BOREALIS (Bigel.) Britton. Northern chickweed. 
Not uncommon in wet, waste places. 
ALSINE CRISPA C. & S. 
Semiahoo bay, Zyad. 
AMMODENIA PEPLOIDES (L.) Rupr. 
Bellingham bay, Suksdorf 
ARENARIA SAJANENSIS Willd. Sandwoit. 
Near Mt. Baker, Suksdorf. 
ARENARIA SERPYLLIFOLIA L. Sandwort. 
In woods. 
SPERGULA ARVENSIS L. Spurry. 
Common in gardens and grain fields. 
TISSA RUBRA (L,.) Britton. Pink sand spurry. 
Shore of Baker lake. 
TISSA MARINA (L.) Britton. 
Along the seashore, Gooseberry point. 
TISSA MACROTHECA (Hornem.) Britton. 
Along saline shores, Bellingham; Blaine. 
NYMPHAEACEAE 
NYMPHAEA POLYSEPALA (Engelm.) Greene. Yellow pond lily. 
Common on margins of lakes and ponds,throughout Pang- 
horn lake. 
CERATOPHYLLACEAE 
CERATOPHYLLUM DEMERSUM [L. Hornwort. 
Shallow water, Fountain lake; Silver lake. 
RANUNCULACEAE 
BATRACHIUM AQUATILE PANTOTHRIX (Brot.) Piper. Water 
crowtoot. 
Not common in ponds. 
RANUNCULUS PURSHII Richards. Buttercup. 
Wet places about Bellingham. 
RANUNCULUS FLAMMULA REPTANS (L,.) Schlecht. 
Abundant on the sandy beach of Padden lake. 
