PLATE 21. 



Alaria valida Kjellman and Setchell sp. nov. 



32. Habit of No. Ill, N.L.G., from Whidbey Island. (X ') 



33. Cross section of the midrib of the same plant. (X 2|) 



Drawn by H. N. Bagley, under the direction of W. A. Setchell. 



1406] 



