INDEX. 



328 



Page 



Parmelia parietina . 66, 69, 84, 91, 

 101, 104, 200, 205, 218, 318 



var. Candelaria . .206 



viridis . . .206 



perlata . . . . . 89,190 



plumb ea 192 



pulverulenta . . . 101, 193 

 saxatilis ... 43, 56, 90, 197 



var. omphalodes 56, 198, 



200 



parasitica 310,313 



stellaris .... 69,101,194 



Peltideacese 161 



Peltidea {vide Peltigera). 



Peltigera . . 35, 36, 39, 61, 62, 

 63, 84, 97, 104, 162 



aphthosa 164 



canina . . 83,165,226,316 



var. spuria . . . .165 



ulorrhiza . . .165 



horizontalis 169 



polydactyla 169 



var. scutata . .169 



rufescens 170 



sylvatica 170, 315 



venosa . . . 104, 105, 163 



Pertusaria (vide also Endocar- 



pon and Sagedia) . . .296 

 communis 67, 68, 69, 84, 104, 

 114, 258, 296 



Page 



Phacopsis 31S 



varia ........ 318 



Phymatopsis 312 



Physcia . . . 89, 109, 123, 144 

 chrysophthalma . . . .149 

 ciliaris . . . 66,69,114,145 

 furfuracea . . . 43, 84, 144 

 intricata . . . . . . 149 



leucomelas 149 



prunastri . . 81, 84, 100, 147 

 var. stictocera 147, 148 



Placodium {vide Lecanora). 



Platy gramma 254 



Hutchinsise 254 



Porina {vide Pertusaria). 



Psora, or Psoroma (vide Leca- 

 no ra. 



Pycnothelia (vide Cladonia). 



Pyrenothea 307 



leucocephala 308 



Kamalina . 37, 62, 89, 97, 101, 

 109, 123, 137 

 farinacea . . . . . 42,138 

 fraxinea .... 81, 139, 148 



var. ampliata . . .139 



calicaris . . .139 



fastigiata . . . 139 



pollinaria 138 



scopulorum .... 104, 142 



