16 On the Lichens near New-York. 



2. lacunosa. Id. p. 227. Earth in moist woods. Frond 



more deeply pitted and reticulated than the last, seg- 

 ments not so much divided, whitish underneath ; apo- 

 thecia large. 



3. glauca. Id. p. 227. Stones and fences. Frond glaucous, 



tawny, brown underneath. 



4. viridis. Schwz, mss. Small limbs in cedar swamps, New- 



Jersey. Frond glaucous green, lacunose reticulated, 

 underneath pale yellow, margin complicately waved 

 and beset with black soredia ; apothecia chesnut 

 brown, margin inflected, lobed, and dentated. 



19. Sticta. 



1. crocata. Ach. p. 232. Trunks and earth. (Massachu- 



setts.) Frond of a liver colour, margin bordered with 

 yellow. 



2. anthraspis. Id. p. 233. Among mosses on earth. Frond 



smooth coriaceous, lobes roundish ; apothecia with a 

 blackish disk. 



3. pulmonacea. Id. p. 233. About roots of trees. Much 



reticulated and sinuated. 



4. scrobiculata. Id. p. 234. Ibid. Frond orbicular, light 



greenish, surface roughened by minute soredia. 

 5« sylvatica. Id. p. 236. On the earth with mosses. Frond 

 with large segments, concave. 



20. Peltidea. 



1. venosa. Id. p. 237. Earth in woods. Frond with ashy- 



brown tomentose veins beneath. 



2. scutata. Id. p. 237. Trunks and limbs. Smooth and 



veinless beneath, segments short. 



3. horizontalis. Id. p. 238. Ibid, and on earth. Lobes 



elongated ; shields flat and transversely oblong. 



4. aphthosa. Id. p. 23S. Earth on mosses. Frond light 



greenish, with small brown warts. 



5. canina. Id. p. 239. Ibid. Lobes ascending, colour deep- 



er than in the preceding. 



