- 67 - 



specimens from Long Island, which have been compared with H. admistum 

 Sull. (C. Wright, Cuban Mosses no. 121). They are quite unlike, and the 

 Long Id. species seems to be referable to one of the smaller Plagiothe- 

 ciacecE, on account of the absence of the large inflated, alar cells of the leaves, 

 so characteristic of Raphidostegium. They apparently agree with no. 429 

 Austin's Musci Appalachiani from swampy bog near Closter, N. J., Sept. 

 1865. 



According to my understanding of this species it is referable to Isop- 

 terygium, Mitt, and the synonymy is as follows: 



ISOPTERYGIUM MiCANS (Sw.). 



Hypnum micans Sw. Adnot. Bot. 175. 1829. 

 Hypnujii jiiicans Sw. Muhl. Cat. 100, 1813. Nomen nudum. 

 Hypnmn albulum CM. Syn. Muse. 2:280. 1851. 

 Hypnum {Raphidostegiujn) albulum Sull. Mosses U. S. 671. 1856. 

 Hypnu7n albulum CM. Sull. Icon. Muse. 179, t. 112. 1864. 

 Rhyjichostegium mica?is, Aust Bot. Gaz. i: 30. 1875. 

 Rhy7ichostegiu7n inicans Sull. Rau. & Herv. Cat. 45, 1880. 

 Isopterygiu7n albulu77i, Jaeg. Adumb. 436. 1876-1877. 

 Raphidostegiu7n 77iica7is Ren. & Card. Muse. Am. Sept. 54. 1893. 

 Raphidostegiu77i albulu77i (CM.) Br. & Sch. Sull. & Lesq. Musci bor. 

 Am. 302. 1856. 



As Sullivant and Lesquereux issued their labels for the Musci Boreali 

 Americani in book form, this last citation constitutes publication. 



I have not seen types of either H. 7tivea7is Sw. or H. albulu77i C. M. 



[This species has since been collected at Lawrence, L. Id., on rotten 

 wood in wooded swamps. Det. G. N. Best. — A. J. G.] 



CURRENT LITERATURE. 



In the Bulletin of the New York Botanical Gardens, No. 6, May 27, 1901, 

 Mr. R. S. Williams presents an enumeration of the mosses collected b}^- him 

 in Yukon territory in 1898-99. This list is very interesting, both from the 

 number of species and the extension of range as well as from the number of 

 new species described. Our space, however, will permit our reprinting 

 only the species new to North America and those of special interest for 

 other reasons. These are reprinted verbatim. Judging from Mr. Williams' 

 work on Brachythecium as noted in the last Bryologist he is somewhat 

 liberal in his views as to what constitutes a new species ; otherwise his work 

 seems wholly commendable and is presented in a clear, careful manner. 



A. J. G. 



Andre aea petrophila acu7ni7tata Schimp. Lake Lindeman. All the 

 specimens examined seemed to be dioicous. The papillae vary greatly on 

 different leaves, often being very prominent on young leaves and scarcely 

 visible on old specimens (523). 



Andreaea petrophila parvifolia (Muell.) Sheep camp, Dyea Creek. 

 These specimens are from the original locality oi parvifolia and agree with 

 a bit of the original collection from Herb. Mueller. They differ from petro- 



