(135) 
Pseudoleskea substriata Best. Lake Lindeman, on rock 
along shore (657). 
Heterocladium procurrens (Mitt.) Rau & Hervey. (Hetero- 
cladium aberrans Ren. & Card.) Skagway and Cajion City, 
on rock (708). 
Thuidium recognitum (Hedw.) Lindb. Yukon River above 
Ft. Selkirk and common about Dawson. Not fruiting (709). 
Thuidium Philiberte (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 .o10 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). 
Thucdium abietinum (L.) Br. & Sch. Tagish Custom 
House ; also common about Dawson on earth and rock (711). 
Thuidium Blandovit (Web. & Mohr) Br. & Sch. At 
head of Lake Bennett also near mouth of Bonanza Creek, 
in fine fruit July 9 (712). 
Claopodium pellucinerve (Mitten) Best. Cafion 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). 
Camptothectum 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). 
Camptothectum nitens (Schreb.) Schimp. Lake Linde- 
man, sterile. Mouth of Little Salmon River, in fruit. 
Dawson, common and fruiting abundantly. Capsules in 
fine condition June 18 (715). 
Camptothecitum Nuttallii B. & S. Skagway (714). 
Brachythectum salebrosum (Hoffm.) B. & S. Lake Lin- 
deman and Dawson (716). 
Brachythectum salebrosum densum B. & S. Mouth of 
