28 THE SPHAGNACE.Z OR PEAT-MOSSES OF 
5. mollusca. 
S. molluscum. 
6. subsecunda. 
S. laricinum, subsecundum. 
7. cymbifolia. 
S. cymbtfolium. 
Some of these, however, appear to be ill-defined and unne- 
cessary. 
Scuimper, in the new edition of his ‘Synopsis,’ adopts this 
arrangement, but alters szgida to mollia, and unites mollusca to 
subsecunda. Klinggraff also in his paper has the same six groups. 
