EUCEPHALOZIA. 145 



Dimensions. — Stems J to |- inch long, "1 mm. in diameter, 

 with leaves 5 to '6 mm. wide ; leaves 3 mm. x 2 mm., "25 mm. x 

 •17 mm., 2 mm. x 2 mm., segments '1 mm., -225 mm. x "175 mm., 

 seg. '075 mm., '25 mm. x 'IS mm., seg. -1 mm.; cells "025 mm., 

 •025 mm., '0225 mm. x "0225 mm., 02 mm. x "0225 mm., '03 mm. 

 X "02 mm. ; bracts "55 mm. x '4 mm., '6 mm. x •SS mm., segments 

 '3 mm.; bracteole '35 mm. x 175 mm.; perianth 1*3 mm. x 

 "35 mm., 1*4 mm. x 4 mm., teeth at the mouth '15 mm., '1 mm., 

 "075 mm.; perigonial bracteoles '12 mm. x "07 mm.; antheridia 

 "125 X '1 mm. 



Hab.— On rotting wood, turfy banks and shady rocks. Rare. 



2. Tunbridge Wells, R. Spnice. 10. Blaeberry Gill, near 

 Whitby, M. B. Slater. 12. Borrowdale, Cumberland, W. H. P. 

 13. N. of Black Craig, New Galloway, ./. Mc Andre w ; Col vend, 

 Kirkcudbrightshire,./. Mc Andrew. 15. Banchory, Aberdeenshire, 

 /. Sim. I. Cromaglown and other places in the S.W., Taylor, 

 Spruce, Moore, Carrington and others. 



Eound on the Continent and in North America. 



Obs. — Similar in size and habit to Cephalozia hmulcefolia 

 Dum. but more rigid, leaf cells smaller, bracts denticulate or 

 spinulose, perianth composed of a single layer of cells. 



Ceplialozia pallida Spruce is much paler in colour, more 

 branched, branches subfastigiate, leaves subdecurrent, bifid from 

 \ to \, cells rather larger, bracts entire. 



Description of Plate LIV. — Fig. 1. Plants natural size. 2. 

 Stem, antical view x 64 (Blaeberry Gill, M. B. Slater). 3. Leaf 

 X 85 (ditto). 4, 5. Leaves x 85 (Canada, Macoun). 6. Portion 

 of leaf X 290 (Blaeberry Gill, M. B. Slater). 7, 8. Bracts x 85 

 (Canada, Macoun). 9. Bracteole x 85 (ditto). 10. Perianth x 

 24 (G. & E. n. 594). 11. Portion of the mouth of perianth x 85 

 (ditto). 12, 13. Perigonial bracteoles x 85 (ditto). 14. Anther- 

 idium X 85 (ditto). 



