146 
CLASS IX.—MYCOSIA. 
Cellular bodies, not fibrous, without pith : vessels 
inconspicuous. 
Living in the air. 
Bodies variously expanded , without stem or leaves , 
seldom afrons; no flowers , ovaries , nor stamina ; fruc¬ 
tification inconspicuous , concealed: germination acotyle, 
expansive, 
CLASS X—ALGOS I A. 
Cellular bodies, not fibrous, without pith, vessels 
inconspicuous. 
Living in the water. 
Bodies variously expanded , often afrons and branches , 
no real stem nor leaves; noflowers , ovaries , nor stamina; 
fructification inconspicuous , concealed; germination 
acotyle , expansive . 
No species belonging to those three last classes 
''which correspond with the Cryptogamy of Linnaeus,) 
have been stated to grow in Louisiana, besides those 
found by Robin ! 
Two plants have been mentioned without names, 
which cannot be classed ; they are 
