THE MOSSES OF ALASKA 337 



gemella, iiicequali, crure longiore ad J/^ vel Y^ producta, cellulis basi- 

 laribus paucis, quadratis vel breviter rectangulis, caeteris linearibus 

 125-225 ij. longis, 9-14 latis. Cfetera ignota. 



From Douglas Island (Trelease, 1743 in part). 



Resembling in habit the species of the denticulatum group, but 

 very distinct by its leaves being not decurrent. 



Plagiothecium denticulatum Br. eur., fasc. 48, p. 12, pi. 8. 



From Cape Fox (Trelease, 2376) ; Orca (Trelease, 1739 in part, 

 1741, 1942); Yakutat Bay (Trelease, 2330); Sitka (Trelease, 1431, 

 2356, 2357, 2496); Douglas Island (Trelease, 2406). 



Plagiothecium denticulatum undulatum Ruthe in litt. 1873. Geheeb 



in Rev. bryol., 1S77, p. 42, fide Limpricht. 

 P. ru//u'i LiMPR. Laubm., 11, p. 271. 



From Yakutat Bay (Trelease, 2327). New to Alaska. 



Plagiothecium denticulatum recurvum Warnst. Moosfl. d. Prov. 



Brandcnb., p. 73, fide Limpricht. 

 P. cnrziifolimn Schlieph. mss. Limpr. Laubm., 11, p. 269, 



From Douglas Island (Trelease, 1738). New to Alaska. 



Plagiothecium denticulatum donii Lindb. in Not. Siillsk. fauna et fl. 



fenn., 1867. 



From New Metlakatla (Trelease, 1751 in part). New to Alaska. 



Plagiothecium sylvaticum Br. eur., fasc. 48, p. 14, pi. 11. 



From Juneau (Brewer and Coe, 6913) ; Kodiak (Trelease, 2192) 

 New to Alaska. 



Plagiothecium roeseanum Br. eur., fasc. 48, p. 15, pi. 10. 



From Kodiak (Trelease, 1844, 2191). New to Alaska. 



Plagiothecium muehlenbeckii Br. eur., fasc. 48, p. 11, pi. 6. 



From Orca (Trelease, 2251); Kodiak (Trelease, 2207); Hot 

 Springs (Trelease, 2349). New to Alaska. 



Plagiothecium elegans Sulliv. Moss, of U. S., p. So. 



From Farragut Bay (Coville and Kearney, 469) ; Hot Springs 

 (Trelease, 1742, 1757); Douglas Island (Trelease, 2391). New to 

 Alaska. 



P. fulchellum Br. eur. has been recorded from the islands of Bering Sea by 

 Mr. Kindberg. 



Amblystegium serpens Br. cur., fasc. 55-56, p. 9, pi. 3. 



From Cape Fox (Trelease, 1760, 1761, 1762, 2375); St. Paul 

 Island (Trelease, 2089 in part). New to Alaska. 



