1 89 1.] Notes on North American Mosses. 207 



California, are H. crispifolium. Finally, the descriptions them- 

 selves of the two species show no points of specific difference. 



HYPNUM (Camptothecium) NUTTALLII Wils. — This species 

 often has the seta twice or thrice as long as the capsule, in- 

 stead of "scarcely as lon^". This is shown by the speci- 



mens in at least two sets of Sullivant and Lesquereux' Musci 

 Bor. Amer. I. n. 338b, and also by Macouns n. 280 Canadian 

 Musci, issued under the name of H. pinnatifidum S. & L. 



Hypxu.M (Isothecium) BrewERIANUM Lesq, — The leaf- 

 cells are short-ovate to rhombic. If it is to be retained under 

 Isothecium the subg-eneric character "areolation minute, ver- 

 micular-oblong" must be corrected. 



Hvpnum (Lurhynchium) colpophyllum Sull. — This spe- 

 cies has two forms of leaves which often occur on the same 

 plant. The younger are the narrower (ovate to lance-ovate), 

 while the older are broader (elliptic). The narrow form ap- 

 proaches most closely the figures of Sullivant's Icones Mus- 

 corum Suppl. pi. 71; the wider are more like those of E. 

 crassinervinm, but differ from them in the points named in 

 the Manual, p. 353. These narrow leaves often predominate, 

 in which case the aspect of the plants is quite different, so 

 much so as to warrant a distinctive name. This narrow- 

 leaved form of H. colpophyllum may be designated as var. 

 Hagelliforme n. var.: leaves lance-ovate, small; branches long, 

 almost flagelliform, attenuate. In the type the branches are 

 short and tumid-julaceous, leaves densely imbricate and 

 elliptic-ovate. The apiculus is often very short, or the leaves 

 may be simply acute. There is a considerable variation also 

 in the size of the capsule. 



Xe\v LOCALITIES. — The following new localities maybe 

 -elected from a large number as being of special interest. 



Bruckia Hallii Aust. has recently been sent me from Hock- 

 ley, Texas, by Mr. F. W. Thurow, an interesting rediscovery 



of one of Hall's Texan mosses.— Dicranum hyperboreum Mull. 



was collected for the first time in the United States by Roll 

 on Mt. Hood at 7000 ft. altitude. — Mr. J. M. Holzmger gath- 

 ered a Coscinodon at Winona, Minn., which on comparison 

 with the types proved to be C Rani, previously credited only 

 to Colorado. — The same excellent collector sent also from 

 this locality Fabronia pusilla Raddi, Myurella Careyana Sull. 

 and Lcskea A us tint Sull. 

 University of Wisconsin. 



