534 SOCIÉTÉ BOTANIQUE DE FRANCE. 
Piilyctis argena Wallr.351 
Piiyscia, XXXVII. 
adglutinata Nyl.201 
aipolia Nyl.,,. 194 
cercidia Nyl. 194 
*albinea Nyl..... .. • 193 
aquila Fr... 190 
astroidea Fr. .. 196 
cæsia Nyl.» • 197 
candelaria Nyl.248 
chrysophthalma DC.* • 179 
ciliaris DC. 134 
scopulorum Nyl. 134 
controversa var. lyçhnea Massai. 183 
fallax Ilepp. 181 
lithotea Nyl. 199 
lychnea Nyl.. ...» . 183 
leprosa Lamy, 183 
perfusa Nyl. 183 
obscura Fr. 198 
virella Nyl. 198 
parjetina DN.. 180 
auréola Nyl. 18U 
sorediosa Nyl. 181 
*pityrea Nyl.. 187 
* polycarpa Nyl182 
pulverulenta Nyl. 186 
pusilla Massai... 225 
speciosa Ach. 185 
stellaris Fr. 191 
leptalea Nyl. 191 
subdetersa Nyl... 189 
*tenella Nyl... 192 
tribacia Nyl. 195 
•ulophylla (Wallr.).. 181 
ulothrix Nyl...., . 200 
’venusta Nvl. 188 
•» 
Placodium. 
citrinum Nyl...227 
elegans DC. 224 
Platygramma. 
Hutchinsiœ Leight. 555 
Platygrapha, LÏII. 
periclea Nyl. 554 
Platysma, XXIV. 
eucullatum Hoffm. 112 
Platysma diffusum Nyl. 117 
fahlunense Nyl. 114 
glaucum Nyl. 116 
bullata Schær. 116 
coralloidea Wallr. 116 
fallax Ach. 116 
fusca Fr. 116 
Pinastri Nyl. 115 
ulophyllum Nyl. 113 
Porina. 
arcolata Ach. 334 
leioplaca Ach. 348 
pustulata Ach. 336 
Psora. 
Hypnorum var. cleaurata Hoffm. 222 
nebulosa Hoffm. 213 
ostreata Hoffm. 522 
Psoroma. 
Hypnorum Nyl. 222 
Pycnotiielia, XVII. 
papillaria Duf. 66 
molariformis Ach. 60 
Pyrenothea, 
fuscella Fr. [noté] . 533 
vermicellifera [note] . 533 
Pyrenula. 
œthiobola Ach. 586 
clopima Ach. 579 
nitida Schær. 607 
nitidelia Schær. 608 
verrucosa Ach. 600 
Ramalina, XXI. 
calicaris Fr. 97 
farinacea Nyl. 100 
minutula Ach. 100 
*fastigiata Ach. 99 
fraxinea Ach. 98 
intermedia Del. 101 
pollinaria Ach. 103 
humilis Ach. 103 
polymorpha Ach. 102 
capitata Ach. 102 
ligulata Ach. 102 
Rapiiiospora. 
flavo-virescens Massai.528 
