410 



LICHEN FLORA OF THE UNITED STATES 



leucoxanthum (Heterothecium) 235 



leucoxanthum (Lecidea) 235 



leucoxanthum (Lopadium) 235 



levidensis (Opegrapha) 102 



libricola (Anthracothecium) 59 



libricola (Pyrenula) 59 



lichenoides (Leptogium) 167 



lichenoides (Opegrapha) 100 



lichenoides (Opegrapha) atra, 100 



lichenoides (Tremella) 167 



Lichina 151 



LICHINACEAE 151 



lignaria (Bacidia) 225 



lignaria f. (Bacidia) 22 5 



lignaria (Bilimbia) 225 



lignaria (Lecidea) 225 



limbata (Sticta) 1.83 



limbata (Stictina) 183 



limitata var. (Graphis) 109 



limitata (Opegrapha) 109 



limosa (Lecidea) 208 



limosum (Collema) 160 



linearis (Lichen ) 347 



linearis (Ramalina) 347 



linearis (Usnea) 349 



lineola (Graphis) 109 



Linkii (Coenogonium) 141 



liniia ( Lobar ia ) 180 



linita (Sticta) 180 



linita var. (Sticta) 180 



lithina (Staurothele) 36 



lithophila (Lecidea) Ach. in Fink 203 



lithophila (Lecidea) 204 



lithophila var. (Lecidea) 204 



lithotodes (Physcia) 386 



litl/otodes var. (Physcia) 386 



lithyrga (Opegrapha) 100 



lithyrga var. (Opegrapha) 100 



litoralis (Arthopyrenia) 47 



I it oralis (Verrucaria) 47 



lobata (Phaeographis) 113 



lobatum (Leiogramma) 113 



lobulata (Caloplaca) 361 



lobulata (Lecanora) 361 



longissima (Opegrapha) 101 



longissima (Usnea) 350 



Lopadiopsis 137 



Lopadium 234 



tophaeum var. (Leptogium) 167 



lophotum var. (Leptogium) 167 



lophyrea (Parmelia) 326 



lucida (Biatora) 197 



lucida (Lecidea) 197 



lucida (Trachylia) 76 



lucidum (Acolium) 76 



lucidum (Cyphelium) 76 



lucidus (Lichen) 197 



ludoviciensis (Phlyctidia) 316 



lugubris (Bacidia) 226 



lugubris (Lecidea) 205 



lulensis (Lecidea) 195 



lurida (Arthonia) 82 



lurida (Biatora) 215 



lurida (Lecidea) 215 



lurida (Pannaria) 177 



lurida (Psora) 215 



luridella (Biatora) 213 



luridella (Lecidea) 213 



luridella (Psora) 213 



luridoalba (Arthonia) 89 



luridum (Collema) 177 



luridum (Physma) 177 



luridus (Lichen) 215 



lusitanicum (Nephroma) 185 



lusitanicum (Nephromium) 185 



lutea (Gyalecta) 138 



lutea (Microphiale) 138 



luteola (Bacidia) 230 



luteola (Biatora) 230 



luteolus (Lichen) 230 



luteominia (Blastenia) 353 



lutcominium (Placodium ) 353 



lutescens (Lepra) 291 



lutescens (Pertusaria) 291 



luteus (Lichen) 138 



lychnea (Xanthoria) 364 



lychneus (Telosckistes) 364 



macilenta (Cladonia) 2 50 



Macounii var. (Lecanora) 311 



macrocarpa (Arthopyrenia) 50 



macrocarpa (Lecidea) 206 



macroceras f. (Cladonia) 263 



macrospora (Arthopyrenia) Fink 4 7 



macrospora (Arthopyrenia) Stiz 47 



macrotheca (Arthonia) 95 



macrothecum (Arthothelium) 95 



macularis var. ( Opegrapha ) 91 



maculosa (Glyphis) 104 



maculosa (Melaspilea) 104 



madrcporijorme (Trypcthclium) 63 



madreporiformis (Cetraria) 341 



madreporiformis (Dufourea) 341 



madreporiformis (Laurera) 63 



madreporiformis (Lichen) 341 



major (Anaptychia) 389 



major var. {Anaptychia) 389 



major (Physcia) 389 



major (Stenocybe) 74 



major f. (Usnea) 349 



majusculum (Thelocarpon) 278 



malacea (Pcltidea) 187 



malacea (Peltigera) 187 



mamillana (Lecidea) 209 



mamillana (Pyrenula) 57 



mamillana ( Verrucaria) . '. 5 7 



mammulata (L'mbilicaria) 2 76 



mammillosum (Ephebe) 143 



manitensc (Dcrmatocarpnn) 39 



Manni (Lecidea) 209 



margacea (Verrucaria) 31 



margaccion (Thelotrema) 31 



marginalis (Lecanora) 306 



marginata (Pertusaria) 292 



marginellum (Leptogium) 166 



margincllus (Lichen) 166 



mariana (Pannaria) 176 



mariana (Parmelia) 176 



