Lichenes of New England. | 247 
Enpocarpon miniatum, Ach. «, umbilicatum, Scher. ! 
Hook., E. miniàtum, Ach., Muhl., Hals., Mass. Cat. 
Berkshire, Mass. Cat. — on dry ledges; 
ebideds 
—— —, y, aquaticum, Scher. ! Hook., 
E. Wéberi, Ach.; Hals; Port.! E. miniàtum, Torr. ? 
Plainfield! Porter. Rocky bed of a mountain brook, 
Highgate; Vt. . 
E. pusillum, Heaw (cit. rae Spreng. "sd "E. 
Hedvigii, Ach., Scher.! Hook., Muhl., Hals. Porter. 
Rocks, Brighton: The SU are very small in our 
variety of this plant, so as to suggest its near affinity to E. 
smarágdulum ; from which it principally differs in color. 
Labo Ach. Meth. Lichenogr. and Syn., Scher. T 
Turn. and Borr., Hook., Halsey. The above authorities, 
beside others, locate this genus. among the lichenes ; 
and it is enumerated among the “ true lichenes”’ of Feé 
and Hooker. . Still its location must be regarded doubt- : 
ful. “Fere omnes satis paradoxe videntur, et forsan 
tantum initia aliorum lichenum," says Acharius, (Meth. 
p. 3, and vide p. 12.) - * Vix hujus familie,” etc., yet 
more strongly assert Dubis and De Candolle, cited by 
Hooker. And the last author, while he adopts the ar- 
rangement of Turner and Borrer, yet remarks, that. “ if 
L. viridis” (the Chlorocóceum, a genus of Alge, of 
Greville), * be removed to the Alge, so should the rest . 
of the Lepràrie." . Still it may be said, that these plants 
appear to have affinity to some lichens, and that their 
structure is of such: extreme simplicity, that in the 
present state of knowledge, we may as safely call them 
Lichenes as Alge. I have discovered four forms of 
