362 IOWA ACADEMY OF SCIENCE Vol. XXVI, 1919 



Chrysanthemum leucanthemum L. var. pinnatifidum Lee. and 

 Lim. — Scarce at Seal Rocks in open ground ; also at Yaquina Head. 



Cotula coronopifolia L. — On the beach, four miles above Ya- 

 chats ; also near the mouth of Yaquina bay. 



Tanacetum huronense Nutt. — Common along the beach and on 

 low dunes. 



Petasites speciosa (Nutt.) Piper. — Along a small stream at Nye 

 Beach. 



Senecio vulgaris L. — Plentiful in open ground above the beach. 



S. sylvaticus L. — Near the mouth of Yaquina bay on both sides, in 

 protected places. 



S. bolanderi Gray. — Common on sand drifts near Newport. 



Anaphalis margaritacea (L.) Benth. and Hook, var. occidentalis 

 Greene. — Abundant from seaward slope of shore bluffs to the forest. 



Gnaphalium purpureum L.— Abundant in all open places above 

 the beach. 



G. palustre. Nutt. — Plentiful in open places. 



G. chilense Spring. — One specimen on sand drifts on south side 

 of Yaquina bay. 



Centaurea cyaneus L. — Common in open places. 



Cirsium lanceolatum (L.) Scop. — Common from exposed margin 

 of shore bluffs to forest. Very dwarfed where most exposed. 



C. edule Nutt. — In exposed places down to the beach ; common. 

 Willamette University, 



Salem, Oregon. 



