

■ 1. . 





MX. A MUM \('l. .!■.._■ 



Aiidraiio . 

 IN081& ^ 



■ im .■ moss-like reddiafa or brown plants, with iml 



<mi a fleehj apophysis, Bplitt 

 tudinally into four equal valvi 

 summits are always i 

 by the persistent opercul 

 Btome ii. - 

 tral columella. 



Linnsem 

 <>f which thisordi i 

 :is .luni;.riii:iimia ; more I 

 >■ rvers have withdrawn it 

 ciate with Qrnm — -. I- 

 however, belongs mi 

 than the othi r ; if it 



Urnm in ha\ .]„,„, 



it disagn i - in ha\ i] ralar 



spon and if it with 



-■■- in the latter cin 

 Btance, it differs from them u 

 former, and in the want oi 



Natives of cold and fa 



• special]} on rocks in I 

 places, as lii-h a.- the limits 

 nal snow, where they form a i 



mat. 



Th< ir uses are unknowu. 



GEM i; \ 



Andra 



' Mia, ltrid. 



N i v . 



Jungerma 



Am 



*/ 



M.I V 



>»• 



Tic. XI.IV. — 1. And , natural all much i 



I spore-case after the ilis.-lt 

 > rupestru much magnified ; 7 





