378 PHANEROGAMOUS PLANTS. 



of Michaux, which is only a variety of V. Pennsylvanicum. It re- 

 sembles more the larger-leaved forms of V. myrtillus. Leaves 1-1 J 

 inches long, veiny and somewhat shining when old. Flowers decan- 

 drous. Calyx entire. Berries dark purple, large, and well-flavored. 

 [Ever since it was ascertained that Michaux's plant was a form of 

 V. Pennsylvanicum, and therefore his specific name became a synonym, 

 the practice has prevailed of denominating the present species V. 

 myrtilloides, Hook., non Michx.] 



4. Vaccinidm c^espitosum, Michx. 



Hab. Washington Territory, near Nisqually, Puget Sound ; also in 

 the timbered country of the Kooskooskee. 



5. Vaccinium uliginosum, Linn. 



Hab. On the Klamath River, Oregon. — On the northwest coast 

 this species grows to the height of three or four feet ; thus resembling 

 the European plant. In the Atlantic States it occurs on the highest 

 mountains only as a very humble shrub. 



2. ARBUTUS, Tourn. 

 1. Arbutus Menziesii, Pursh. 



Arbutus Menziesii, Pursh, Fl. 1, p. 282; Hook. Fl. Bor.-Am. 2, p. 36 ; DC. Prodr. 



7, p. 582 ; Nutt. Sylv. 3, p. 41, t. 95 ; Torr. Bot. Mex. Bound. Surv. p. 108 ; 



Newberry, Bot. Rep. (in Pacif. K. Koad Surv. 6), p. 23. 

 A. proeera, Dougl. ex Lindl. Bot. Reg. t. 1753. > 



Hab. Oregon and AVashington Territory ; common along the shores 

 of Puget Sound and on the Columbia River ; also in California along 

 the Sacramento and the Bay of San Francisco. — To the north the 

 Madrona is a small tree, usually from 20 to 30 feet high, with a trunk 



