INDEX OF SPECIES. 
Rupestre, Scheer. (Collema), 272. 
Rupestris, Pers. (Bacomyces), 146. 
Rupestris, Sch. (Parmelia), 272. 
Saccata, Ach. (Solorina), 175. 
Saturninum, Ach. (Leptogium), 271, 277, 279. 
Saxatilis, Ach. (Parmelia), 115, 116, 123, 163, 185, 
195, 202, 204, 206, 207, 213, 214, 215, 216, 217, 
218, 219, 222, 225, 226, 227, 228, 230, 231, 232, 
233, 235, 237, 261. 
Saxicola, Ach. (Squamaria), 259, 260. 
Scopulorum, Ach. (Ramalina), 122, 126, 128. 
Scorigena, Mont. (Evernia), 266. 
Scorigenum, Mont. (Placodium), 266. 
Scortea, Ach. (Parmelia), 215. 
Sepincolum, Hoffm. (Platysma), 177, 178, 180, 181. 
Stnuosa, Pers. (Sticta), 194, 196. 
Sinuosa, Ach. (Parmelia), 116, 206, 207, 208, 210, 
214, 215, 216, 217, 218, 227, 228, 233. 
Speciosa, Fr. (Physcia), 242, 248. 
Spherophoroides, Lévy. (Acroscyphus), 151. 
Squamosa, Hoffm. (Cladonia), 113, 157, 159. 
Stellaris, Fr. (Physcia), 218, 239, 242, 243, 245, 246, 
247, 249, 255, 261. 
Stellata, Sch. (Cladonia), 165, 166. 
Stygia, Ach. (Parmelia), 112, 115, 206, 207, 224, 234, 
236, 250. 
Stygia, Sch. (Cetraria), 237. 
Stygium, Del. (Collema), 270, 275. 
Submarginalis, Ach. (Parmelia), 215. 
Subtile, Nyl. (Leptogium), 277, 278. 
Sulcata, Tayl. (Parmelia), 228. 
Sylvatica, Ach. (Sticta), 191, 193. 
Symphorea, DC. (Synalissa), 269. 
Synalissum, Ach, (Collema), 269. 
Tasmanica, Tayl. (Parmelia), 233. 
Taylori, Hook. (Alectoria), 113, 118, 124, 134, 135, 
144, 238. 
Teicholytum, DC. (Placodium), 265. 
308 
Tenax, Ach. (Collema), 274. 
Tenella, Scheer. (Borrera), 243, 244, 245, 246. 
Tenerum, Laur. (Spherophoron), 147, 149. 
Terebrata, Tayl. (Ramalina), 129, 131. 
Tiliacea, Ach. (Parmelia), 116, 117, 122, 125, 135, 
138, 234. 
Tinctoria, Ach. (Roccella), 138, 140, 141. 
Tomentosum, Laur. (Stereocaulon), 152. 
Tomentosum, Hoffm. (Nephromium), 107, 112, 172, 
173. 
Trachiata, Fr. (Cladonia), 158. 
Tremelloides, Fr. (Leptogium), 272, 276, 277, 278, 
279. 
Triptophylla, Ach. (Pannaria), 114, 256, 270. 
Tristis, Web. (Parmelia), 112, 206, 237. 
Tristis, Scheer. (Cetraria), 238. 
Tuberculata, Tayl. (Alectoria), 127. 
Tumidula, Nyl. (Usnea), 132. 
Turgida, Ach. (Parmelia), 275. 
Turgida, Hoffm. (Cladonia), 143, 165, 166, 274. 
Turgidum, Ach. (Collema), 275. 
‘Unceialis, Hoffm. (Cladonia), 112, 143, 165, 166. 
Urceolata, Scheer. (Spheria), 175. 
Varia, Leight. (Umbilicaria), 190. 
Variabile, Pers. (Placodium), 263. 
Vellea, L., Fr. (Umbilicaria), 182, 190. 
Vellea, Ach. (Gyrophora), 182, 185. 
Ventricosa, Scheer. (Cladonia), 160. 
Vermicularia, Linds. (Lecidea), 112, 135, 142, 144. 
Vermicularis, Scher. (Thamnolia), 112, 135, 142, 143. 
Vermicularis, Sw. (Cladonia or Cenomyce), 143, 144. 
Verticillata, Fr. (Cladonia), 158, 159. 
Vespertilio, Lightf. (Synechoblastus), 276. 
Villosa, Dub. (Physcia), 239, 253, 254, 266. 
Vulpina, Nyl. (Chlorea), 125. 
Vulpina, Tul. (Phacopsis), 125. 
Xanthosticta, Pers. (Sticta), 191, 198. 
