Ranges of (22) Oplooanax horridum , generalized; ( 23 ) Salix Hookeriana . 
Pacific coast, and S. laurentiana , in ellipse; (24) Hordeum boreale; 
Polygonum Powleri ; (26) Puccinellia nutkaansis . Pacific coast, and P. 
macra , in circle. 
