THE MOSSES OF ALASKA 317 



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



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

 lease, 3222) ; 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 I'ecently been discovered in the Yukon ter- 

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



Webera albicans Sch. Coroll., p. 67. 



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

 Sitka (Trelease, iSio) ; Muir Glacier (Trelease, 17S3 in part, 2433, 

 2440, 2458 ; Coville and Keai-ney, 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, 1817) ; 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. dn/mmofidi'i L,esq. & Jam. 



Genus BRYUM.^ 



Subgenus Cladodium Sch. 



BRYUM ATELEOSTOMUM Philibert sp. nov. 



(PI. 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 hand decurrentia, marginibus limbatis integris, nunc planis, nunc 

 plus minus longe revolutis, costa tcnui, 50-55 ;j. basi crassa, rete den- 

 siusculo, cellulis inferioribus quadratis vel rectangulis, 25— c;o/z longis, 

 20—25 latis, ceteris oblongo- vel ovato-hexagonis, 28-41^// longis, 12- 

 13 latis. Capsula in pediccllo rubcllo breviusculo, circa i.:^ centim. 

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

 operculo depresse convcxo, mamillato. Exostomil dcntes pallide 

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



^ 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. 



