— 97 — 



Ad cortices arboruui ( Cleodendri arborei et Calhiù viridi— 

 flora? ) legit Pancher. 



Obs. — Affinis P/. alhocinctce Nyl., sed paullo major, magis 

 alba et margine thallode depresso apotheciorum crassiore (saepe 

 subprominulo ). Sporse majores inferne attenuatae (interdum 

 demum fuscescentes ). Habitu et colore in memoriam revocat 

 Chiodecton gîaucoleucum Nyl. in Flora 1866, p. 294, Cu- 

 bense (1). 



III.— STIGMATIDIUM Mey. 



1, STIGMATIDIUM ELEGANS (EscllW. Brasil. p. 103, sub 



Sclerophyto). — Thallus giaucus vel flavido-glaucescens sub- 

 nitidiuscuius tenuissimus vel sola macula indicatus; apo- 

 thecia nigra vel pallescentia innata gracilia elongata dendri- 

 tico-ramosa ; sporae Sn^e incolores ovoideo-oblongae 3-sep- 

 tatae , longii. 0.012-16 millim., crassit. 0,004-6 millim., 

 epitheciura subincolor , hypothecium fiiscum , perithecio 

 (laleribus) incolore. Itxlo gelatina bymeiiea diluie vel obso- 

 lète cœrulescens (dein lutescens ). 



Lifu ( Deplanche ) , ad cortices arborum, 



Obs. — Var. gîauco-virescens , thallo glauco-virescenle di- 

 stincfiore, apotheciis pailidis , in Lifu (Thiébaut). 



2. STIGMATIDIUM SUBSERIALE (Nyl, Exposit. N. Caled., 

 p. 52, sub Chiodeclo). — Thallus albus vel albidus 

 opacus tennis laevis vel laeviusculus rimulosus (crassit. 

 fere 0,02 millim.); apotbecia inimersa exlus punclis vel 

 Strigulis minutissirais lalit. circilcr 0,02-0,05 millim.! 



.(1) Obiter animadvortere liceat, Oirinam californicam Tuck, 

 L. Californ. esse Platygraplmm, 



7 



