(ISO) 



Family Pinaceae. 



Pinus Murrayana Balf. Five-finger Rapids (Williams) ; 

 twenty miles above Ft. Selkirk (Tarleton). 



Juniper us nana Willd. Dawson; Marsh Lake (Williams) ; 

 Lake Lebarge (Tarleton). 



Juniperus prostrata Pers. Near Selkirk (Williams) ; 

 Lebarge Island (Tarleton). 



Tsuga Mertensiana (Bong.) Sargent. Long Lake. Re- 

 duced to a low bush (Williams). 



Tsuga heterophylla (Raf.) Sargent. Skagway (Williams). 



Family Sparganiaceae. 

 Sparga nium minimum Fries. Klondike bottom (Williams). 



Family Scheuchzeriaceae. 

 Triglochin maritima L. Lebarge Island (Tarleton). 

 Triglochin palustris L. Above Ft. Selkirk (Tarleton). 



Family Gramineae.* 



Beckmannia erucaeformis (L.) Host. Slough below Rink 

 Rapids (Williams.) 



Savastana alpina (Sw.) Scribn. White Pass. (Williams.) 



Savastana odorata (L.) Scribn. Thirty-mile River. 

 (Williams); Lebarge Island (Tarleton). 



Stipa comata Trin. Five-finger Rapids (Tarleton). 



Phleum Haenkeanum Presl. ? Dawson, introduced (Wil- 

 liams). Mr. Williams regards this as merely introduced. It 

 has the spike of P. alpinum L., but it is a taller and more 

 slender grass, and the awns are much shorter than the empty 

 scales. It differs from P. pratense L. in the much larger 

 spikelets and the broader spike, but resembles it in the short 

 awn of the empty scales. It has been provisionally referred 

 as above, although with considerable doubt, as Presl gives a 

 very short description of his species, hardly sufficient to defi- 

 nitely identify it. He states, however, that it is related to P. 

 alpinum L., but differs in the shorter awns, and it is on this 

 that I have doubtfully referred it to his species. 



* By George V. Nash. 



