12 GEOLOGICAL SURVEY OF CANADA. 



Obs Near Cephalozia dentata, (Eaddi) but differs from it in the en- 

 tire stem leaves, in addition to other characters. 



Hub. Grows on rotten wood and old logs, Belleville, Ont., 1868. 

 (Macoun, Hb. Austin.} 



Measurements Stems 1-2 mm. long, .3 mm. diam., leaves .15 mm. 

 long x .1 mm. broad, seg. .05 mm., .15 mm. long x .1 mm. broad ; seg. 

 .075 mm., .125 mm. long x .1 mm. broad, seg. .05 mm.; cells .0167 mm.; 

 upper underleaves .1 mm. long x .06 mm. broad; seg. .05; innermost 

 bract .25 mm. x .3mm., seg. .125 mm., .225 mm. x .3 mm., seg. .1 mm.; 

 2nd bract .225 mm.x .175 mm., seg. .1 mm.; bracteole .175 mm. long 

 x .175 mm. broad; seg. .125 mm., pistillidia .075 mm .x.03 ;antheridia 

 .04 mm. 



Description of PI. VI. Fig. 1. Plants nat. size. 2. Young stem x 

 85. 3-12. Leaves x 85. 13. Portion of leaf x 290. 14-16. Folioles 

 magnified. 17. Upper foliole x 85. 18. Innermost bracts and brac- 

 teole x 85. 19. Innermost bract x 85. 20. 2nd bracts and bracteole 

 x 85. 21. 2nd bracts x 85. 22. 3rd bracts x 85. 23. Pistillidia x 85. 

 24. Antheridia x 85. 



50. Cephalozia (Prionolobus) dentata, (Raddi.) 

 Hab. Galton Mountains, British Columbia. (Lyall.} 



51. Hygrobiella laxifolia, (Hook.) Spruce. Var clavuligera, 



Hab. Greenland : near Lichenfels (Breutel et Curie in Hb. Flot. 

 Vahl. Syn. Hep. p. 147.) 



52. Pleuroclada albescens, (Hook.) Spruce. 

 Hab. Greenland. ( Vahl Syn. Hep. p. 102.) 



53. Pleuroclada islandica, (Nees.) 

 Hab. Greenland. (Vahl. Syn. Hep. p. 681.) 



54. Anthelia julacea, (Lighf.) Dum. 

 Hab. Greenland. (Vahl. Syn. Hep. p. 147.) 



55. Blepharostoma trichophyllum, (L.) Dum. 



Hab. On earth, Mount Albert, Gasp<$, 4,000 ft., 26th August, 1882 

 (21). On earth, Ste. Anne's Eiver, Gaspd, 17th August, 1882 (17). On 

 old logs, Gasps' Coast, 2nd August, 1882 (16). On rotten wood, British 

 Columbia, 1875 (204). On earth and dead wood, in the Eocky Mountains, 



