386 



hirtus Linn. (Lichen) 203 

 hispida Mudd (Borrera) 311 

 hispidula Ach. {Comicularia) 29 

 hispidula Nyl. (Ephebeia) 29 

 hispidulum Gray (PJiacotitim) 88 

 hispidum majus, etc. DiU. (Lichen- 

 oides) 802 

 %t6p«2um minus, etc. DiU. (Lichen- 

 oides) 311, 312 

 feisp«i!«! Lightf. (Jjic7i«») 218 

 Hoffmanni Ach. (Lichen) 475 

 Hoffmanni Gray (!7rc«oZarta) 475 

 HoUiana A. L. Sm. (llicrogleeiia) ii. 



310 

 holocarpa Nyl. (Lecanora) 385 

 holocarpus Ehrh. (Lichen) 385 

 holochrodes Nyl. (Ferrucai-ia) ii. 333 

 holomeUena Floeike (Lecidea) ii. 162 

 Iwlomeloides Nyl. (Ziecu2ea) ii. 130 

 holophsea Nyl. (Lecanora) 392 

 hoUyphxa Mont. (Psoroma) 392 

 homalotropa A. L. Sm. (Conotrema) 



ii. 2 

 homalotropa Kyi. (Lccidfa) ii. 2 

 HOHUDIUM kyl. 63 

 homceopsis Nyl. (Pyrenopsis) 25 

 Hookeri Massal. (Dacampia) ii. 273 

 Hookeri Tuck. (Cladonia) 164 

 Hookeri Hook. (LecatMra) 339 

 Hookeri Schser. (Lecidea) ii. 273 

 Hookeri E. Bot. t. 2283 (Lichen) 339 

 Hookeri Nyl. (Pannaria) 339 

 Hookeri Borr. (Verrucaria) ii. 273 

 Tiorisiica Leight. (Verrucaria) ii. 243 

 horisontalis Linn. (Lichen) 293 

 horizontalis Gray (Peltidea) 293 

 horizontalis HofEm. (Feltigeia) 293 

 ftorrescens Tayl. (Pami^iia) 241 

 humicolor A. L. Sm. (Porina) ii. 333 

 humicolor Nyl. (Yerrucarici) ii. 333 

 humosa Leight. (Lecidea) ii. 31 

 hmnosum Nyl. (Leptogium) 64 

 humosus Ehrh. (Lichen) ii. 31 

 Hutchinsia Nyl. (Lecanora) 445 

 Hutchinsiae Koerb. (Enterog.) ii. 259 

 Hutchinsise Leight. (Pertusaria) 493 

 Hutchinsise Leight. (Plaiygramma) 



ii. 259 

 Hutchinsia Nyl. (Stignmtidium) ii. 



259 

 Hutchinsix Borr. (Thelotrema) 493 

 hyalinella Nyl. (Coniocjbe) 101 



hyalinescens Boist. (BUimbia) ii. 1-39 

 hyalinescens Nyl. (Lecidea) ii. 139 

 hybrida Hoffm. (Cladonia) 141 

 hydrela Ach. fS'errucaria) ii. 2S0 

 hydrocharum Ach. (Parmelia) 60 

 hymenea Gray (Porina) 505 

 hymenina Ach. (Peltidea) 292 

 7^2/»n«»»«»» Turn. cfeBorr. (Tlielotr.) 505 

 hymenius E. Bot. 1. 1731 (iicftcn) 505 

 BTaf£iV^Oi)£CrO-V Leight. ii. 252 

 hymenogonia Mudd (Sphasrotnjihale) 



ii. 311 

 hymenogonia A. Zahlbr. (Staurothele) 



ii. 310 

 hymenogonia Nyl. (Vei-nicaria) ii. 311 

 hyperborea Ach. (Gyrophora) 330 

 hyperborea Cromb. (UitibiUcaria) 330 

 hyperboreiis Ach. (Lichen) 330 

 hypereUmn Ach. (Calicium) 91 

 hyperellum Gray (P/iaco^ijjm) 91 

 hyperellus Ach. (iicften) 91 

 hypergenum Nyl. (CoUema) 52 

 hyperopta Mudd (Parmelia) 263 

 hypnophila Turn. (Lecidea) ii. 142 

 hypnorum Ach. (Lecanora) 349 

 ?ii/j)noru7» Dicks. (Lic/ifn) 350 

 hypnorum Mudd (Pannaria) 350 

 hypnorum HofEm. (Psorortia) -350 

 hypnorum Sm. (SgHanwrta) 350 

 hypophsea Nyl. (Lecanora) 489 

 hypopodioides Nyl. (iccidea) ii. 174 

 hysteriiformis Nyl. (Opejc.) ii. 236 



ICMADOPHILA Trevis. 112 

 icmadophila Ehrh. (lAchen) 113 

 icmadophila Gray (iecitJea) 113 

 icmadophilus Cromb. (Bieomyces) 113 

 icterica Tayl. (LecitJea) 375 

 ilicina Tayl. (Arthonia) ii. 213 

 ilicinella Nyl. (4rt7ionia) ii. 213 

 illecebrosa Fr. (Lecanactis) ii. 203 

 illecebrosa Duf. (Op^grap/ia) ii. 203 

 Ulita Nyl. (Lecidea) ii. 81 

 imbricatutn luridum Dill. (Lichen- 

 oides) ii. 269 

 irnbricatum, viridans, etc. DiU. 



(Lichenoides) 247, 248 

 imbrida Tayl. (Verrucaria) ii. 279 

 immersa Ach. (Lecidea) ii. 39 

 immersa Hoifm. (Verrucaria) ii. 295 

 immersa Leight. (Verrucaria) ii. 297 

 immersum lludd (TheUdium) ii. 297 



