INDEX OF 
Ramalina, Ach., Fr., 110, 111, 112, 113, 114, 115, 116, 
117, 118, 119, 122, 126, 130, 132, 134, 135, 136, 
138, 139, 140, 141, 143, 147, 150, 151, 169, 170, 
174, 187, 203, 207, 212, 252, 253, 255, 263, 267 
268, 269. 
Ricasolia, DN., Nyl., 110, 111, 112, 114, 115, 116, 
191, 195, 198, 201, 205, 257. 
Roccellez, Nyl., 109, 137. 
Roccella, Bauh., 109, 111, 112, 113, 114, 115, 117, 
132, 137, 140, 141, 143. 
Sclerotium, Tode (Fungi), 107. 
Scyphophorus, Fée, vide Cladonia. 
Septoria (Fungi), 120. 
Siphula, Fr., 105, 109, 142. 
Siphulez, Nyl., 109, 142. 
Solorina, Ach., 110, 174. 
Spheria, Haller (Fungi), 105, 107, 112, 130, 137, 175, 
193, 206, 208, 234, 243, 247, 272, 273, 276. 
Spheerophoreze, Nyl., 109, 146. 
Sphzerophoron, Pers., 109, 113, 115, 118, 146, 147, 151. 

SPECIES. 299 
Squamaria, DC., 110, 111, 115, 117, 255, 259. 
Stereocaulese, Nyl., 109, 152. 
Stereocaulon, Schreb., 109, 111, 113, 114, 115, 117, 
118, 149, 151, 152. 
Sticta, Ach., 110, 111, 112, 114, 115, 116, 143, 145, 
146, 172, 183, 191, 195, 198, 199, 201, 202, 208, 
239, 257. 
Strigula, Fr., 120. 
Synalissa, DR., 109, 269. 
Synechoblastus, Trevis., vide Collema. 
Thamnolia, Ach., 109, 111, 114, 118, 142, 143, 144. 
Thrombium, Wallr. (Fungi, pr. p.), 107, 272. 
Unmbilicarieze, Nyl., 110, 182, 254. 
Umbilicaria, Hoffm., 110, 111, 113, 116, 174, 182, 184, 
185, 186, 187, 188, 189. 
Usnex, Nyl., 110, 121. 
Usnea, Hoffim., 110, 111, 112, 113, 114, 116, 118, 119, 
121, 125, 126, 131, 134, 135, 143, 174. 

INDEX OF 

SPECIES. 
(Synonyms and the Names of Fungi are in Italics.) 

Acetabulum, Dub. (Parmelia), 116, 234, 235. 
Acharii, Trevis. (Synalissa), 269. 
Aculeata, Fr. (Cetraria), 114, 145, 175, 176, 177. 
Mruginosa, Scop. (Lecidea or Iemadophila), 146. 
Agardhiana, Ach. (Lecanora), 264. 
Agardhianum, Ach. (Placodium), 264. 
Ageregata, Sw. (Cladonia), 170, 171. 
Aipolia, Ach. (Parmelia), 243, 244, 245. 
Alcicornis, Flk. (Cladonia), 113, 160. 
Alectoris, Lindsay (Lecidea), 112, 135, 144. 
Aleurites, Ach. (Squamaria), 259, 261. 
Alphoplacum, Whilb. (Placodium), 262, 265. 
Alpinum, Laur. (Stereocaulon), 152. 
Amaurocrea, Flk. (Cladonia), 143, 154, 166. 
Ambigua, Wulf. (Squamaria), 261. 
Amplissima, Sch. (Sticta or Parmelia), 203, 204. 
Anomecea, Hook. (Cladonia), 160. 
_ Anomeeus, Sm. and Hook. (Scyphophorus or Lichen), 
160. 
Aquila, Fr. (Physcia), 236, 239, 249. 
Arctica, Hook. (Dactylina), 133. 
Arctica, Hook. (Dufourea), 133. 
Arctica, Ach. (Umbilicaria), 180. 
Arcticum, Fr. (Nephroma), 173. 

Argus, Tayl. (Stereocaulon), 152, 153. 
Argyracea, Del. (Sticta), 191, 196. 
Articulata, Fr. (Usnea), 131. 
Ashneh (2), (Hivernia or Borrera), 157. 
Aspera, Massal. (Imbricaria), 235. 
Astroidea, Fr. (Physcia), 246. 
Athallum, Spreng. (Endocarpon), 246. 
Atlantica, Ach. (Borrera), 254. 
Atlanticus, Ach. (Lichen), 254. 
Atrovirens, Lyngb. (Stigonema), 267. 
Aurata, Ach. (Sticta), 191, 200. 
Aurea, Scheer. (Lecidea), 265. 
Aureum, Scheer. (Placodium), 265. 
Auriculatum, Hoftm. (Collema), 271. 
Australe, Laur. (Spheerophoron), 151. 
Azureum, Ach. (Leptogium), 278. 
Bacillare, Wallr. (Thrombium), 273. 
Bacillaris, Ach., (Cenomyce), 166. 
Barbata, Fr. (Usnea), 121, 122, 124, 131, 135. 
Bellidiflora, Scher. (Cladonia), 113, 154, 162, 163, 
164. 
Borreri, Ach. (Parmelia), 230. 
Byssoides, Fr. (Biatora), 146. 
