(H9) 



Filix montana (Lam.) Underw. {Cystopteris montana 



Bernh.) Klondike-Indian Divide (Tarleton). 



Dryopterisfragrans (L.) Schott. Dawson ; Marsh Lake 

 (Williams) ; 50 miles above Stewart River (Tarleton). 



Phegopteris Dryoptcris (L.) Fee ; 50 miles above Stewart 

 River (Tarleton). 



Phegopteris Robertiana (Hoffm.) A. Br. Dawson, and 

 near mouth of Klondike (Williams). 



Family Equisetaceae. 



Equisetum sylvaticum L. Foot of Lake Lindeman (Wil- 

 liams). 



Family Lycopodiaceae. 



Lycopodium Selago L. Lindeman (Williams) ; Klondike- 

 Indian Divide (Tarleton). 



Lycopodium annotinum L. Lindeman (Williams) ; 50 miles 

 above Stewart River (Tarleton). 



Lycopodium alpinum L. Lindeman (Williams) ; Klon- 

 dike-Indian Divide (Tarleton). 



Lycopodium clavatum L. Lindeman (Williams). 



Family Selaginellaceae. 

 Selaginella rupestris (L.) Spring. Mountain side, Daw- 

 son (Williams; Tarleton). 



Selaginella selaginoides (L.) Link. Lindeman (Williams). 



4. An Enumeration of the Flowering Plants Collected by R. S. 

 Williams and by J. B. Tarleton. 



By N. L,. Britton and P. A. Rydberg. 



The collection of specimens made by Mr. J. B. Tarleton 

 in the valley of the Yukon during the summer of 1899 ' s l ^ e 

 property of the United States National Museum. It supple- 

 ments that made by Mr. Williams by a considerable number 

 of species and the specimens have in nearly all cases been 

 ample enough to permit a duplicate to be taken for the 

 Garden Herbarium ; the types of all the species proposed as 

 new have been so divided. 



