178 
a) 
8 
3 
Fie. 474. ARCTAG: 
434, (Colpodium ae Y. R. Br. r. Suppl, A 
2 pa 2-8 mm. 0 wide, — 
which is shorter than the obtuse, scabrous, flowering — 2 k 
Greenland and Labrador to Alaska. (Northern Europe an 
