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282 .. Lichenes of New England. 
occurs on hard bark in Cambridge, and seems to be 
noticed in several of our Catalogues. This genus 
. will probably not remain separate from the next. 
GRAPHIS curvula, Ehrh., Spreng. Syst., Opegra- 
_ pha notha, Ach., Hals. 1. c. MP WEN bark, Cambridge 
and Watertown. “Not included in the Mass. Catal. 
The genus Graphis, to which this is here referred, 
as arranged by Sprengel, l. c., consists of the Ope- 
graphe of Persoon and Motive, together with the 
afterwards separated Graphides of the latter, exelud-- 
ing some aberrant (mostly tropical) forms, which 
have been arranged in. new genera by Meyer. 
Sprengel cites Adanson as the author of this arrange- 
ment, which may, TS probably we the right 
of priority. 
S ER gemmata, Ach., Hals. l. c., "Mass. 
Catal. — Smooth bark, common in New E Bo 
V. nitida, Schrad., Borr. in Hook., , Ach. 
Lichenogr., Scher.! 1 c., Spreng. L. e., Mull. Le, 
Pyrenula nitida, Ach. Syn. (cit. as y Moug. & 
Nestl.! 1. c., Spheeria nitida, Weig. (cit. Hook.).— 
.. Smooth bu very common in New England. 
Somewhat resembling V. gemmata. 
V. punctiformis, Ach., Spreng. 1. c., De Cand. Fl. 
, Ft. ; Scher.! E ©, Hals. l c. BC bark, Cam- 
Wiridize 
y. epidermidis, Ach. Syn. (cit. Scher. h De Cand. 
aire , Moug. & Nestl.!, Hook. Br. Fl, Hals. 1. c. — 
1 t of Betula papyracea, &c., Maine. Referred to 
t ie x. by Sprengel. | | 
