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in the upper country of North Carolina (Rev. Dr. Curtis) in the low 
country of South Carolina (Mr. Ravenel) throughout Alabama (Mr. Peters; 
Mr. Beaumont) in Mississippi (Dr. Veitch) Louisiana (Hale) and southern 
Texas (Mr. Ravenel). The more common condition presents the features 
of G. cicatricosa, and becomes readily confluent (G. confluens, Auctt.) but 
the state with larger apothecia, and more numerous rounded exciples 
(G. favulosa) also at length confluent, is not wanting. Spores in eights ; 
eruceform ; 7-10-locular ; the length from three to five or more rarely six 
times exceeding the diameter; without colour. 
Fam. 4.—ARTHONIEI, Koerb. 
Apothecia difformia, immarginata, stromatoideo-subconfluentia. 
LIV.—ARTHONIA, Ach., Nyl. 
Nyl. Syn. Arth. 1856; & in Prodr. Lich. Gall. p. 163; Enum. Gén. 1. ¢. 
p. 132; Lich. exot.1.¢.; Lich. Scand. p. 257; Lich. N. Gran. in Prodr. 
Fl. N. Gran. pp. 97,136; Syn. Lich. N. Caled. p. 60. Arthonia, Spilo- 
matis spp., Graphidis sp., & Lecides sp., Ach. L. U. pp. 25, 135, 178, 
272; Arthonia, Coniocarpon, Spilomatis sp., & Opegraphe f., Scheer. 
Spicil. pp. 8, 219, 223, 244, 323; Enum. pp. 154, 241. Arthonia, Con- 
ioloma, & Pyrrhochroe sp., Eschw. Syst. p. 17, &c., & Lich. Bras. 
pp. 109, 105. Arthonia pro p., Coniocarpon, & Graphidis spp., Fee 
Ess. p. 30, &c.,e Nyl. Coniangium, Conioloma, Trachylia, Ustalize 
sp., & Opegraphe ff. deformate, Fr. 8. O. V. pp. 271, 275, &c.; L. E. 
pp. LXXVII, 377, 402. Graphid., Lecid., & Verruc. ff. deform., Mey. 
Entwick. p. 194. Arthonia, Graphidis f., & Patellarie ff., Wallr. Fl. 
Crypt. Germ. 1, p. 320, &c. Arthonia, Coniocarpon, Coniangium, & 
Ustalie sp., Mont. Pl. Cell. Cub. p.173; & AperguMorph.p.11. Artho- 
nia, Arthothelium, Coniocarpon, Trachylia, Nevia, Coniangium, & 
Pachnolepia, Massal. Mem. p.117,& Framm. Arthonia & Coniocarpon, 
Leight. Brit. Graph. pp. 51,58. Arthothelium, Arthonia, Coniangium, 
Pachnolepia, & Trachylia, Koerb. Parerg. p. 260. Arthonia, Conian- 
gium, & Arthothelium, Th. Fr. Gen. p. 96. Arthothelium & Arthonia, 
Stizenb. Beitr. 1. c. p. 152. 
Apothecia rotundata oblongave, margine accessorio thallode nune 
instructa, proprio destituta, plus minus aggregata 1. dein in pseudo- 
stroma difforme 1. rotundatum 1. stellatum confluentia. Spore (in 
thecis plerumque abbreviatis pyriformibus) oblongo-ovoidex (nymph- 
formes) 1. oblong 1. rarissime fusiformes, 2-4-pluriloculares, 
28 é 
