Sphagnum.] MUSCI. 9 



Bogs and wet places. The stems are loosely or closely tufted, ab- 

 breviated, or when growing in water sometimes lengthened to 2 or 3 feet, 

 when the leaves are remotely set. 



2. S. sguarrosum, WEB. ET MOHR. Branches attenuated at 

 the extremities; leaves ovato-acuminate squarrose. Web. et 

 Mohr. It. Suec. t. 2./. 1. a. b. Muse. Brit. ed. 2. p. 14. t. 4. 



This is probably a variety of the preceding, it grows in similar situa- 

 tions, but is not quite so common. 



3. S. acutifolium EHRH. Branches attenuated ; leaves ovato- 

 lanceolate, crowded. Ehrh. Cr. n. 72. Muse. Brit. ed. 2. p. 14. 

 t. 4. Dill. Muse. t. 32. / 2. A. 



Bogs : common. 



4. S. cuspidatum. EHRH. Branches attenuated ; leaves lan- 

 ceolato-subulate, lax. Ehrh. Cr. n.25. Muse. Brit. ed. 2. p. 15. 

 t. 4. 



In and under water : rarely bearing fruit. 



4. CEDIPODIUM. Schwaeg. 



Seta terminal, elongated, thick, fleshy, pellucid. Capsule 

 without a peristome, its mouth closed with a thin fugaci- 

 ous membrane. Calyptra campanulate splitting at the side. 



1. CEDIPODIUM Griffithianum. Schwaeg. Supp. 2. p. \5.t. 105. 

 Gymnostomum Griffithianvm Muse. Brit. ed. 2. p. 20. t. 7. 



On the summit of Brandon, County of Kerry. I have given this 

 plant as Irish upon a distinct recollection of having seen it in a barren 

 state in the above locality in 1812 : in 1815, 1 recognised it on the sum- 

 mit of Snowdon. 



5. GYMNOSTOMUM. Hedw. 



Seta terminal, rigid. Capsule without a peristome. Calyptra 

 dimidiate. 



As the lid drops in a few species,a horizontal membrane may be seen 

 across the mouth of the capsule, and in fewer still, broken portions of 

 it remain attached. 



1. G. viridissimum, SMITH. Leaves broadly lanceolate, 

 patent, pointed, dotted ; capsule broadly ovate, furrowed when 

 old ; lid obliquely rostrate. Eng. Bot. t. 1583. Muse. Brit. ed. 2. 

 p. 18. t. 6. Grimmia Forsteri Eng. Bot. t. 2225. 



On elms and other trees at Dunkerron, County of Kerry, in fruit in 

 the early spring. There is an irregular annular membrane within the 

 mouth of the capsule : the young fruit is almost globose. Leaves dark 

 green, shining and recurved. 



2. G. curvirostrum. HEDW. Leaves lanceolato-subulate, 

 channelled, erect, nearly straight when dry; capsule cup-shaped; 

 lid obliquely rostrate, longer than the capsule. Hedw. St. Cr. 

 v. 2. t. 24. Muse. Britt. ed. 2. p. 19. t. 6. 



Rocks at Fairhead, County of Antrim ; Mr, Templeton. Mangerton. 



