PLATE 21. 



Alaria valida Kjellman and Setehell sp. nov. 



32. Habit of No. Ill, N.L.G., from Whidbey Island. (^ ,\) 



33. Cross section of the midrib of the same plant. ('< 2i) 



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



[400] 



