OF NORTH-WEST AMERICA. 139 
Senecio canus, Hook. N.E. and N.W. America. 
—, n.sp.? near frigidus. Rocky Mountains only. 
Arnica angustifolia, var. Arctic Europe and E. and W. America. Cold 
Europe, Asia, and America. 
——— mollis, Hook. Rocky and Cascade Mountains. 
—— Chamissonis, Less. Rocky and Cascade Mountains, and northwards. 
White Mountains of N. America. 
Macrorhynchus elatus, Nutt.? Oregon and Cascade Mountains only. 
Youngia pygmza, Ledeb. Rocky Mountains. Arctic E. and W. America. 
Siberia. 
Moneses grandiflora, Salisb. N.E. and N.W. America. Europe and Siberia. 
Cladothamuus pyroliflorus, Bong. From the mouth of the Fraser River 
northward to Sitcha. 
Menziesia Grahami, Hook. Rocky and Cascade Mountains. 
glanduliflora, Hook. Rocky and Cascade Mountains, and north- 
wards. 
—— empetrifolia, Sm. Cascade and Rocky Mountains. 
Andromeda (Cassiope) cupressina, Hook. Cascades to Sitcha. 
— tetragona, L. Arctic Europe, Asia, and America. Cold Asia and 
America. 
Kalmia glauca, Ait. Arctic and cold E. and W. America. 
Rhododendron macrophyllum, Don. Cascade Mountains and California, 
—— albiflorum, Hook. Cascade and Rocky Mountains. 
Ledum glandulosum, Nutt. Cascade and Rocky Mountains and California. 
Gentiana Parryi, Engl. Cascade and Rocky Mountains, and southwards. 
—— propinqua, Rich. Arctic and cold E. and W. America. 
Polemonium pulcherrimum, Hook. Rocky Mountains. Arctic Europe. 
E. and W. America. 
— confertum, 4. Gr. Rocky Mountains and southwards. 
Myosotis sylvatica, Hoff. Arctic Europe, Asia, and America, but not 
Greenland. Cold Europe, Asia, and America, and Himalaya. 
Eutoca sericea, Hook. Rocky Mountains only. 
—— —, n. sp.? near Franklinii. Rocky Mountains. 
Romanzovia Sitchensis, Bong. California. Unalaschka. 
Pentstemon Menziesii, Hook. Vancouver Island, Cascade Mountains, and 
California. 
—— confertus, Doug. Rocky Mountains and California. 
Veronica alpina, L. Arctic Europe, Asia, and Greenland. Cold Europe, 
Asia, and America. 
Pedicularis surrecta, Bth. California, Cascade and Rocky Mountains, 
and Hudson’s Bay. e. 
—— racemosa, Doug. Cascade and Rocky Mountains to California. 
— bracteosa, Bth. Cascade and Rocky Mountains. Saskatchewan 
south to Colorado. . 
Pinguicula vulgaris, L. Arctic Europe and E. America. 
and America. 
Cold Europe 
