Obs. — Differt nounihil a typica et dicatur var. demi- 

 nuens. 



26. Lecidea PLURiLOCULARis ( Nyl. Exposù. N. Caled., 

 p. AO). — Thallus cinereus vel cinereo-virens tenuis ; apo- 

 ihecia nigra opaca (diam, 0,7-1,5 niillim.) plana marginata ; 

 sporae 6-12-loculares, longit. 0,026-36 raillim. , crassit. 

 0,005-7 millim., vel 5-11-septalae , paraphyses liaud regu- 

 lares, epithecium (in lamina tenui) lutescens vel luteo-fu- 

 scescens vel ochraceo-fuscescens, hypothecium fusco-nigri- 

 cans. lodo gelalina hymenea vinose rubens. 



Ad cortices arborum in Nova Caledouia et Lifu. 



Obs. — Forte sola varietas prioris sporis recedentibus. Variât 

 in Lifu apotheciis centro prolifero-umbilicatis. Variât quoque 

 apotheciis virescenti-pruinosis. 



Trib. XII. — GRAPHIDEI. 



I.— OPEGRAPHA Ach., Nyl. 



1. OPEGRAPHA CONFERTULA Nyl. Exposit. N. Caled., 

 p. U9. — Thallus macula alba vel albida sat determinata in- 

 dicatus ; apothecia nigra conferta niinula, lineari-oblonga 

 vel ellipsoidea, prominula , rima epitheciali angusta; sporae 

 8"ae incolores i-2-septat3e, longit. 0,01ù-16 millim., crassit. 

 circiter Q,0k5 millim., demum fuscescentes , paraphyses 

 haud dislinctae. 



Ad cortices (coll. Vieill., n" 1841 ). 



Obs. — Accedit ad 0. lentiginosam Lyell., a qua distat notis 

 allatis. 



