THE MOSSES OF ALASKA 317 



Webera annotina Bruch in Hiib. Muscol. germ., p. 431. 



From New Metlakatla (Coville and Kearney, 370) ; Kodiak (Tre- 

 lease, 2222) ; Unalaska (Trelease, 2300) ; Hall Island (Trelease, 

 2140). New to Alaska. 



Webera proligera Kindb. Enum. br. dovr., Append., no. 309. 



From Kodiak (Trelease, 2221). 



This species has also recently been discovered in the Yukon ter- 

 ritory by R. S. Williams, and in Minnesota by J. M. Holzinger. 



Webera albicans Sch. Cor oil., p. 67. 



From Juneau (Trelease, 2172) ; Port Etches (J. M. Macoun) ; 

 Sitka (Trelease, 1810) ; Muir Glacier (Trelease, 1783 in part, 2433, 

 2440, 2458 ; Coville and Kearney, 637 in part) ; Yakutat Bay (Tre- 

 lease, 1822 in part). 



Webera albicans glacialis Sch. loc. cit. 



From Juneau (Coville and Kearney, 580) ; Hidden Glacier Inlet, Ya- 

 kutat Bay (Trelease, 1813, 181 7) ; Hall Island (Treloase, 1883 in part). 



The following species have been recorded from Alaska and the islands of 

 Bering Sea: W. folymorpha Sch., W. crudoides Sull. & Lesq., W. cucullati- 

 formis Kindb., W. drummondii Lesq. & Jam. 



Genus BRYUM. 1 



Subgenus Cladodium Sch. 



BRYUM ATELEOSTOMUM Philibert sp. nov. 

 (PL xix, fig. i°-/.) 



Polygamum, viride, densissime cespitosum, radiculis numerosis arete 

 intertextum. Caulis ramosus, 1-1.5 centim. altus. Folia erecto-im- 

 bricata, ad extremitatem caulis et ramorum in comam congesta, 1.2-1.4 

 millim. longa, 0.5 lata, ovato-lanceolata, costa excurrente cuspidata, 

 basi haud decurrentia, marginibus limbatis integris, nunc planis, nunc 

 plus minus longe revolutis, costa tenui, 50-55 /j. basi crassa, rete den- 

 siusculo, cellulis inferioribus quadratis vel rectangulis, 25—50 p. longis, 

 20—25 latis, caeteris oblongo- vel ovato-hexagonis, 28-45// longis, 12- 

 13 latis. Capsula in pedicello rubello breviusculo, circa 1.5 centim. 

 longo, nutans vel pendula, ovata, collo brevi instructa, 2 millim. longa, 

 operculo depresse convexo, mamillato. Exostomii dentes pallide 

 lutei, concolores, articulis 20, regularibus. Endostomium vix evolu- 



1 We are indebted to Mons. Philibert for the determinations of nearly all the 

 species of this genus. He has himself described three of the new species in 

 the Revue bryologique for 1900 and 1901. 



