1897] BRIEFER ARTICLES 125 
and more numerous leaves, spotted velum, bright white instead of 
brownish macrospores, and amphibious nature. From /. Nufta/iit it 
differs in its partial, not complete velum, its usually four bast bundles, Sc 
smaller macrospores, and amphibious nature. a 
1 take pleasure in dedicating the species to Professor L. M. Under- 
wood, to whose admirable little work, “Our Native Ferns and their : 
Allies,” I owe many an hour of profit and delight.— L. F. HENDERSON, ee 
Moscow, I , 
