(^35) 



Pseudoleskea sitbstriata Best. Lake Lindeman, on rock 

 along shore (657). 



Heterocladium procurrens (Mitt.) Rau & Hervey . [Hetero- 

 cladium aberrans Ren. & Card.) Skagway and Canon City, 

 on rock (708). 



Tkuidium recognitum (Hedw.) Lindb. Yukon River above 

 Ft. Selkirk and common about Dawson. Not fruiting (709). 



Tkuidium Philiberti (Philib.) Limpr. Klondike River 

 bottom near mouth. Sterile. The leaves have a smooth hair- 

 point up to 6 cells in length, the median leaf-cells near costa 

 are up to .008 or .010 mm. in length being about twice longer 

 in recognitum. Also the papillae are shorter, the leaf margins 

 smoother, and the cells more angular with thinner walls than 

 in the latter species (710). 



Tkuidium abietinum (L.) Br. & Sch. Tagish Custom 

 House ; also common about Dawson on earth and rock (711 ). 



Tkuidium Blandovii (Web. & Mohr) Br. & Sch. At 

 head of Lake Bennett also near mouth of Bonanza Creek, 

 in fine fruit July 9 (712). 



Claopodium pellucinervc (Mitten) Best. Canon City, 

 Dyea Creek. Determined by Dr. G. N. Best. A notice of 

 this plant has already appeared in the Bryologist, 3 : 20, 

 1900. It is a very slender species with ovate-lanceolate 

 leaves, the surface densely and minutely papillose and leaf- 

 cells obscure except in the smooth, slender point (655). 



Camptothecium lutescens (Huds.) B. & S. Sheep Camp, 

 Dyea Creek. On cotton-wood. In these specimens the 

 vein of the leaf never seems to end in a spine as in European 



specimens (713). 



Camptothecium nitens (Schreb.) Schimp. Lake Linde- 

 man, sterile. Mouth of Little Salmon River, in fruit. 

 Dawson, common and fruiting abundantly. Capsules 111 

 fine condition June 18 (7*5)- 



Camptothecium Nuttallii B. & S. Skagway (714). 



Brachythecium salebrosum (Hoffm.) B. & S. Lake Lin- 

 deman and Dawson (716). 



Brachythecium salebrosum densum B. & S. Mouth of 



