THE MOSSES OF ALASKA ^ 323 



chlorophylloso, cellulis mediis subrectangularibus vel oblongo-hexa- 

 gonis, long. 47-70 /z, lat. 16-23. Capsula in pedicello rubello, 1.5-2 

 cent, longo, nutans vel inclinata, aetate fusca, oblonga, collo longo 

 attenuata, falcato-curvata, matura orificio dilatata, operculo conico, 

 Peristomium perfectum ; exostomii dentes basi rubri ; endostomii 

 membrana elata, ciliis appendiculatis. 



From Juneau (Canby, 485 ; Coville and Kearney, 579) ; Disen- 

 chantment Bay (Trelease, 2515). 



This species, which offers many points of resemblance to B. ?tiees- 

 eoides Kindb., differs from it by the peristomial teeth which are 

 firmer, stiffer, more scabrous and reddish at the base, the segments 

 more acuminate and perforate from more irregular openings, and the 

 higher membrane. 



Subgenus Anomobryum Sch. 



Bryum bullatum C. Miill. in Flora, 1887, p. 221. 



From Takhin valley (Krause brothers). 



Other species of the genus Bryum which have been recorded from Alaska 

 and the islands of Bering Sea are the following: B. alaskatiutn Kindb., B. 

 brachyttcuron Kindb., B. cafillare Linn., B. erythrophyllum Kindb., B. fallax 

 Milde, B. froudei Kindb., B. lacustre Brid., B. meeseoides Kindb., B. micro- 

 stegioides Kindb., B. obtusifolium Lindb., B.fetiduliim Sch., B. ivrightii Sulliv. 



Quite recently, the late Mr. Philibert has described in the Revue 

 Bryologique, 1901 , fasc. 2, two other new species, B. submuticum and 

 B. siiborbiculare^ collected in the vicinity of Dawson by Mr. R. S. 

 Williams. 



Family MNIACEiE. 



Mnium medium Br. eur., fasc. 5, p. 32, pi. 10. 



From Yakutat Bay (Trelease, 1720, 1721 in part) ; Disenchantment 

 Bay (Trelease, 1718, 1719a; Coville and Kearney, 1075); Point 

 Gustavus (Coville and Kearney, 785). 

 Mnium affine Bland. Muse, frond, exsic, fasc. 111, no. 133. Schw. 



SuppL, I, 11, p. 134. 



From Muir Glacier (Trelease, 1713) ; Kodiak (Trelease, I'jz^b^ ; 

 Agattu Island (U. S. S. Albatross Exped., 38). 

 Mnium affine elatum Br. eur., fasc. 5, p. 30, in part. 



From Kodiak (Trelease, 1726) ; St. Paul Island (Trelease, 2093 ; a 

 stunted form). 

 Mnium rugicum Laur. in Flora, 1827, p. 292. 



From Kodiak (Trelease, 1725(2) ; Plover Bay, Siberia (Trelease, 

 2100). 



Proc. Wash. Acad. Sci., July, 1902. 



