233 
 paraphyses satis graciles, hypothecium fuscum. Gelatina hy- 
; menea iodo intense ccerulescens. 
> Ad saxa granitosa in Scandinavia passim vel satis frequens. 
Usque in Lapponia (et in Spitsbergen). Raro ad corticem be- 
tule in Lapponia (Edwin Nylander). 
- Occurrit ejus varietas chlorospora Nyl. in Bot. Notis. 1853, p. 96 
(Catillaria conereta Krb.), thallo macriore, hypothallo nigricante pre- 
dominante, areolis thallinis parcis depressis, sporis incoloribus (vel in- 
terdum leviter fuscescentibus) minoribus (longit. 0,018—22, erassit. 
:0,009—0,011 millim.); ad saxa granitica saltem ad Holmiam (ipse) et 
in Alandia (Edwin Nylander). 
88. L. badioatra Flik., Scher. Enum. p. 111, Nyl. Prodr. 
b49 | 
" Thallus fuscus rimoso-areolatus; apothecia innata pla- 
Nuscula, tenuiter marginata, intus hymenio cinerascente; spor&e 
5” fusce ellipsoidex 1-septate, longit. 0,026—32, crassit. 
12—16 millim., sepe halone involute, hypothecium infusca- 
m. Gelatina hymenea iodo intense cerulescens. 
Fr. L. E. p. 316 aderit in Norvegia. Mihi inde haud 
sa, et definitio data secundum specimen Helveticum Flerkea- 
num, 
89. L. petrsea Flot., Nyl. Prodr. p. 128; L. atroalba Ach. 
Fr. pro max. pl 
Thallus griseo-pallescens vel cinereo-fuscescens vel albido- 
”Tascens areolatus vel'granuloso-areolatus, areolis contiguis 
dispersis, hypothallo nigro; apothecia plana vel planius- 
us caesio-fuscescens (vel quasi caesio-suffusus). Variat 
pthallo fimbriato-radiante, magis visibili, areolis thalli granulosis 
" SParsis (Rhizocarpon confervoides DC. FI. Fr. 2, p. 366; L. atroalba 
fmbriata Ach, L. U. p. 162). Variat deinde contra areolis granu- 
30 
