INDEX. 



151 



Lichen retiger, 134. 



rigidus, 129. 



rufescens, 132. 



sarmentosus, 126. 



saxatilis, 142. 



scopulorum, 129. 



scriptus, 149. 



scrobiculatus, 134. 



sepincola, 131. 



sinuosus, 140. 



subfuscus, 148. 



tomentosus, 137. 



Efcnea, 128. 



velleus, 145. 



vulpinus, 127. 

 Lichenacei, 115. 

 Lobaria terebrata, 142. 



N. 



Nephroma arcticum, 131. 



laevigatum, 132. 

 Nephromium laevigatum, 132. 

 Neuropogon melaxanthus, 125. 



0. 



Opegrapha scripta, 148. 



P. 



Pannaria pannosa, 145. 



rubiginosa, 145. 

 Parmelia Americana, 140. 



applanata, 144. 



aurantiaca, 147. 



aurata, 139. 



Berterii, 129. 



Borreri, 142. 



Camtschadalis, 140. 



caperata, 142. 



celastri, 129. * 



cervicornis, 140. 



Parmelia chrysophthalma, 143. 



ciliaris, 144. 



cirrhata, 140. 



conspersa, 143. 



coriacea, 139. 



denudata, 127. 



diatrypa, 142. 



Eckloni, 129. 



enter omorpha, 141. 



flavicans, 143. 



galactophylla, 144. 



laevigata, 140. 



leucomela, 140. 



murorum, 146. 



pallescens, 147. 



pannosa, 145. 



perforata, 139. 



perlata, 139. 



pertusa, 142. 



physodes, 141. 



rubiginosa, 145. 



rudecta, 142. 



saxatilis, 142. 



sinuosa, 140. 



speciosa, 144. 



terebrata, 142. 



usneoides, 128. 

 Patellaria parella, 147. 

 Pcltidea aphthosa, 132. 



canina, 132. 



laevigata, 132. 

 polar is, 131. 

 polydactyla, 133. 

 Peltigera aphthosa, 132. 



canina, 132. 



polydactyla, 133. 



rufescens, 133. 

 Physcia applanata, 144. 

 aitenuata, 129. 

 comosa, 144. 

 flavicans, 143. 

 leucomela, 144. 

 parietina, 143. 

 Placodium murorum, 146. 



Paumotense, 146. 

 Platisma crocatum, 139. 



