ERICACEAE. 383 



8. K A L M I A, Linn. 



1. Kalmia glauca, Ait. 



Hab. From Puget Sound eastward to the Cascade Mountains, in 

 sphagnous swamps. — It is altogether like the plant of the Northern 

 Atlantic States. 



9. LEDUM, Linn. 

 1. Ledum latifolium, Ait. 



Hab. Puget Sound, and interior of Washington Territory. — Simi- 

 lar to the plant of the Northern Atlantic States. 



10. P YE OLA, Linn. 



1. Pyrola rotundifolia, Linn. 



Pyrola rotundifolia, Linn. Spec. p. 396 ; Michx. Fl. 1, p. 251 ; Hook. Fl. Bor.-Am. 



2, p. 46 ; DC. Prodr. 7, p. 772; Torr. Fl. 3S T . York, 1, p. 451. 

 P. elata, Nutt. in Trans. Amer. Phil. Soc. n. ser. 8, p. 270. 

 P. bracteata, Hook. 1. c. p. 47 ; ISutt. 1. c. 



Hab. Oregon and Washington Territory, and, the var. bracteata, 

 in the Cascade Mountains. 



2. Pyrola chlorantha, Swartz. 

 Hab. Washington Territory, in the Cascade Mountains. 



