BOSTON 
" 2 Am an 
LÀ 
JOURNAL OF NATURAL HISTORY. 
Vou TH 25 JULY, 1840. '. News. 
* 
ART. VI.— A FURTHE ExOREE ATION OF SOME NEW . 
- ENGLAND LICHEN By Epwarp TockERMAN, JUN., 
. LL. B., a Member of the, soie. dissi before the aaua in 
March, 1840.) 
ArrtHoNIA. A genus Son by — in his 
Lichenogr. Univ., and - adopted, to some extent, by 
later writers. Sprengel, ‘however, refers all the 
species to the genus Graphis, as arranged by him. 
AgrHONIA, punctiformis, Ach. ‘Lich. Univ., Scheer. ! 
Lich. Helvet., Muhl, Catal., Torr. Catal., Hals. Syn. 
View, Mass. Catal., is arii and well known 
form, occurring on smooth bark, and much resem- . 
bling, at sight, some of the minute Verrucarie. 
This seems, in some respects, to differ from Opegra- 
pha of Acharius, but the following it seems to me 
much more difficult to separate from that genus. 
A. radiata, 8. astroidea, Ach. l. ¢., Moug. & Nestl.! 
. Stirp. crypt., Graphis stenocarpa, Spreng. part., Ope- 
* 
.grapha astroidea, e Meth., O. d [s p 
à * See Vol. II. p. 945. 
VOL. iti. Wi, Mi 36 P 
