Volume 9 January 10 1914 
MUHLENBERGIA 
VEGETATION OF THE COOS BAY REGION, OREGON 
By Dr: (o: D.. House 
The writer was fortunate enough to spend five weeks at 
Marshfield, Oregon, in the late summer of Ig11, and again dur- 
ing the late summer of 1912. Marshfield is situated at the head 
of Coos bay, about ten miles from the ocean on the coast of 
southwestern Oregon. The country is hilly, and eastward from 
the city grows rapidly mountainous toward the coast ranges. 
Three unique physiograph features strike the stranger at 
once. These are: the vast area of sand dunes with inclosed 
meadows and lakes of fresh water, and buried forests, which ex- 
tends northward from Coos bay along the coast for several miles 
and backward from the ocean shore for from one to four miles; 
the precipitous headlands facing the ocean south of the bay; and 
the extensive marshes bordering Coos bay with the numerous 
sloughs which radiate fromm it. 
The forests of the region are typical Humid Transition for- 
ests, consisting of Douglas fir Pseudotsuga taxifolia, western 
hemlock 7suga heterophylla, tideland spruce Picea sztchenszs, 
lowland fir Adzes grandis, western red cedar 7huja plicata, Port 
Orford cedar Chamaecyparis Lawsoniana. 
The undergrowth in places is extremely dense and difficult 
to penetrate, consisting chiefly of 
Gaultheria Shallon Pursh Myrica californica Chain. 
Vaccinium ovatum Pursh Ribes divaricatum Doug]. 
Vaccinium parvifolium Smith Ribes bracteosum Doug]. 
Polystichum munitum Pres] —Ribes sanguineum Pursh 
Struthiopteris spicant Weiss. Opulaster opulifolius(L.) Kuntze 
(81) 
