MEMOIRS FROM THE DEPARTMENT OF BOTANY OF COLUMBIA COLLEGE. Be 
Polygonum alpinum Alaskanum Small. 
Polygonum alpinum var. lapathifolium Chamisso & Schlechtendal, Linnaea, 3: 38 
(1828), not P. lapathifoliwm Linnaeus. 
Polygonum polymorphum vay. lapathifolium Ledebour, Fl. Ross. 3: 254 (1849). 
Stout, arising from a large rootstock. Stem erect, 5-9 dm. long, fleshy above ; leaves 
ovate-lanceolate, 8-22 cm. long, 1-8 em. broad, acuminate, obtuse or cordate at the base, 
thin, pubescent on both surfaces or sometimes glabrous, ciliate, undulate, much crisped; 
petioles 1-4 cm. long; ocreae funnelform, 2-4 em. long, thin, striate, more or less hispid. 
Alaska and southward on the high mountains to Washington. 
