228 PHANEKOGAMOUS PLANTS. 



3. TURRITIS RETROFRACTA, Hook. 



Hab. On the Upper Columbia, between Fort Okanagan and Grand 

 Coulee; and shady banks of the Kooskooskee, Rev. Mr. Spalding. 



5. A R A B I S, Linn. 



1. Arabis hirsuta, Scop. 



Hab. Puget Sound and Gray's Harbor; also in the interior of 

 Oregon . 



2. Arabis rupestris, Mitt, in Torr. & Gray. 



Hab. Nisqually, Puget Sound. — Very near A. hirsuta. 



3. Arabis laevigata, DC. 



Hab. Sides of the Cascade Mountains, Washington Territory. — 

 Flowers considerably larger than in the ordinary state of the plant. 



4. Arabis canescens, Nutt. in Torr. & Gray. 

 Hab. On the Upper Columbia, and in the interior of Oregon. 



6. C A R D A M I N E, Linn. 



1. Cardamine angulata, Hook. 



Hab. Fertile, moist woods, Nisqually, Puget Sound ; also, near the 

 Cascade Mountains, Oregon, with the stem and upper leaves pubes- 

 cent. 



