39^ 



INDEX 



Physcia adglutinata (Flrk.) Njl. 365 

 aipolia (Ach.) Nvl. 363 

 erinacea (Ach.) Tuck. 360 

 hispida (Schreb.) Tuck. 364 

 leucomela (L.) Michaux 360 

 muscigena (Ach.) Njl. 363 

 pulverulenta (Schreb.) Njl. 361 

 pulverulenta argyphjea Njl. 361 

 pulverulenta isidiigera Zahlbr. 362 

 stellaris (L.) Nyl. 363 

 tribacia (Ach.) Tuck. 364 

 venusta (Ach.) Njl. 362 



Placodium coralloides Tuck. 383 



Ramalina ceruchis (Ach.) DeNot. 331 

 ceruchis cephalota Tuck. 332 

 combeoides Nyl. 332 

 farinacea (L. ) Ach. 335 

 homalea Ach. 332 

 menziesii Tuck. 334 

 reticulata (Noehd.) Krempelh. 333 

 rigida (Pers.) Tuck. 335 



Sphjerophorus globosus (Huds.) 393 



Sticta anthraspis Ach. 369 



fuliginosa (Dicks.) Ach. 368 

 limbata (Sm.) Ach. 368 

 pulmonaria (L.) Ach. 368 

 scrobiculata (Scop.) Ach. 369 



Theloschistes concolor (Dicks.) Tuck. 



349 

 flavicans (S\v.) Norm. 347 

 lychneus laciniosa Schaer. 349 

 parietinus (L.) Norm. 348 

 polycarpus (Ehrh.) Tuck. 348 

 ramulosus Tuck. 349 



Umbilicaria see Gyrofhora 365 

 Usnea californica Herre 345 



ceratina Schaer. 344 



dasypoga (Ach.) Nyl. 344 



florida (L.) Ach. 343 



hirta (L. ) Hoftm. 343 



longissima Ach. 345 



plicata (Ach.) Nyl. 344 



rubiginea (Michaux) 343 



