(no) 



virens nigrescens Schimp.) A depressed, blackish variety 

 growing on the margin of an alpine pond just below snow 

 banks about iooo ft. above Lake Lindeman (791). 



Oncophorus Wahlenbergii Brid. (Cynodontium Wahlen- 

 bcrgii Hartm.) Common about Dawson on old stumps and 

 logs, in fine tufts, up to 6 cm. high (530). 



Dicranella crispa (Ehrh.) Schimp. On damp sandy soil 

 at mouth of Bonanza Creek (552). 



Dicranella varia (Hedw.) Schimp. Below Lake Lebarge 

 on Thirty-mile River (551). 



Dicranella heteromalla (L.) Schimp. Sheep Camp, Dyea 

 Creek (554). 



Dicranella subulata (Hedw.) Schimp. Growing on a thin 

 layer of damp earth over rock at Lake Lindeman (553). 

 These specimens have the upper leaves somewhat serrulate 

 above, thus approaching curvata, but the capsule is scarcely 

 elongated, erect and symmetrical enough to be that. 



Dicranum fulvellum (Dicks.) Smith.* On rock at Long 

 Lake a few miles below Chilcoot Summit. The specimens 

 are old and blackish with distinctly furrowed capsule. Leaf- 

 cells not pitted and costa .050 mm. wide at base (531). 



Dicranum falcatum Hedw. Sterile plants collected on 

 rock at Lake Lindeman. The leaf-cells from apex one-half 

 down are short and angular, often nearly square, the excur- 

 rent costa of the upper leaves is very rough with teeth-like 

 projections of the cells, width of costa at base .080 mm. (532). 



Dicranu?n molle Wils. Collected at Lake Lindeman on 

 damp, clayey soil subject to overflow. The specimens bear 

 very immature capsules but show a distinct struma. The 

 leaves are entire or nearly so and erect-spreading, with cell- 

 walls thickened and pitted chiefly a little above the base, the 

 upper cells elongated, often rectangular and 4 to 6 times 

 longer than broad. Costa about .065 mm. wide at base, 

 about \ leaf base. This species has been previously collected 

 outside of Europe in Alaska and Greenland (546). 



* The Dicranums have heen kindly revised by Dr. R. F. True, but the 

 notes are by the author. 



