January 10, 1914 97 
ARCTOSTAPHYLOS TOMENTOSA (Pursh) Dougl. (Uva-ursz 
tomentosa Abrams.) 
Common and sometimes almost tree-like, an individual at 
Coos City measuring 12 feet in height, with a trunk 5 inches in 
diameter. Sand dune forests 7372, August 19, 1911. Hayden 207. 
ARCTOSTAPHYLOS UVA-URSI (L.) Spreng. 
Common on the sand dunes and other situations near the 
sea shore, 4729, August 19, IQII. 
KALMIA POLIFOLIA Waugh. («. glauca Ait.) 
Swamps of the sand dunes, 4737, August 19, IgIT. 
AZALEA OCCIDENTALIS T. & G. 
Low ground in thickets of second growth near Marshfield, 
4849, September, 1911; 4994, September 5, 1912. Hayden 172. 
RHODODENDRON CALIFORNICUM Hook. 
Common; near Marshfield, 7778, August, 1911. Hayden 89. 
MENZIESIA FERRUGINEA Smith 
Woods and thickets of Coos Head, 5008, September 15, 
1912. Hayden ror. 
GAULTHERIA SHALLON Pursh 
Forming the major portion of the undergrowth, especially 
in the sand dune forests, 777, August, I9II. 
VACCINIUM OVATUM Pursh 
Common; sand dune forests, 775, August 19, IQITI. 
VACCINIUM OVALIFOLIUM Smith, 
Swamps of the sand dunes and Coos Head, 4727, August 
Ig, 1911; Ten Mile lake, Hayden 274. 
VACCINIUM PARVIFOLIUM Smith 
Common; sand dune forests, g6S0, August, 191T. 
TRIENTALIS LATIFOLIA Hook. 
Shady banks, Coos City, 787, September 5, 1911. Hayden 
772, 220. 
TRIENTALIS ARCTICA Fisch. 
Sphagnum bogs near the Cape Arago light, Coos Head, 
5074, September 15, 1912. 
