EXPLANATION OF THi: PLATES. 103 



Fig. 10. ToETDLA squaeeosa. 



Spreading-leaved Screw Moss (a) . 



Colour. Emerald green. 



Stems. Long, tufted. 



Leaves (6) . Spreading out flat [sqiiarrose) . Capsule not found in Britain. 



Locality. Chalk hills. 



3. Leaves very much turned back in the margui^ perichEetial leaves sheathing. 



Fig. 11. ToETULA kevoluta. 



Roll-leaved Screw Moss (a) . 



Colour. YeUow green. 



Stems. Shortj in thick close patches. 



Leaves (b) . Nearly erect^ oblong ; nerve thick. 



Flowers and Fruit. Dioicous. Capsule small. Seta red. Spriag. 



Locality. On walls, principally limestone. 



Fig. 12. Toktula Hoenschuchiana. 

 Dull Gh'eeii Screw Moss (a) . 



Colour. Dull green. 



Stems. In loose, soft patches. 



Leaves (b) . Eather spreading, acute. 



Floivers and Ih-uit. Dioicous. Capsule rather long and curved. Spring. 



Locality. Walls, rocks, and banks. 



4. Leaves with flat {plane) margins ; those of the perichffitium longer. 

 ' Fig. 13. Toetula convoluta. 



Sheath-leaved Screw Moss {a) . 



Colour. Yellow green. 



Stems. Very shorty thickly tufted. 



