l'RODROMUS Vhmm NOVO-GRANATENSIS. 339 



0""',0015-0""%0050, hypothecium fïisconigruin. lodo gelatina 



hymenea vinose fulvescens vel rubescens. 



Hab. Tequcndama, ad corticem arboris, altit. 2500 metr. (Lindig). 



Obs, — Pro Dirina facile sumitur, sed thalamiumdiversum et aiïinitas 

 omnis in génère Platygrapha. 



5. Platygrapha el^eocarpa Nyl. — Thallus albidus tenuis 

 vel tenuissimus subopacus indeterminatus ; apothecia sordide 

 virescentia vel olivacea opaca (velata), rotundata (extus latit. 

 mm ,6-0 inm ,7), planiuscula vel plana, obtuse (similariter) mar- 

 ginata vel margine obtuso sœpe inconspicuo; sporse 8 nœ inco- 

 lores fusiforraes 3-septatse, longit. mm ,018-0 mm ,027, crassit. 

 n,m ,00û5-0 1,,m ,0055, saepius leviter curvulee, hypothecium inco- 

 lor. Iodo gelatina hymenialis lutescens. 



Hab. Tequendama, ad corticem Quercus, altit. 2500 metr. (Lindig). 



Obs. — Species admodum distincta, apotheciis totis olivaceis (vel oli- 

 vaceo-virescentibus) patellariis et hypothecio incolore. Statu humido 

 hymenium altit. cire. mm ,07, hypothecium paullo crassius; ambo om- 

 nino incoloria (1). 



6. Platygrapha lineolata Nyl. — Thallus albus vel lacteus 

 tenuissimus opacus subfarinaceus tomento tenuissimo fusco late 

 limitatus; apothecia nigra lineoliformia tenella (latit. circiter 

 mm ,05) simplicia subflexuosa, rarius nonnihil divisa, interdum 

 subinterrupta, in jugis thallinis parum prominulis linearibus 

 (latit. cire. 0" ,,n ,3) innata; sporse 8 Ui " incolores oblongae vel 

 ovoideo-cylindracese o-septatae, longit. mm ,0o.'i-40, crassit. 

 mm ,008-0" ,r %010, paraphyses irregulares, hypothecium incolor. 

 Iodo gelatina hymenea cœrulescens, theese vinose violaceœ. 



Hab. Rio Negro, ad corticem arboris, altit. 1200 metr. (Lindig), socia 

 Chiodecti decussantis. 



(1) Mcnioretur obiter Platygrapha congerens Nyl., cui thallus albidus opacus 

 tenuissimus determinatusj apothecia fusca prominula simplicia (latit. mm ,3-0 mm ,&) 

 vel minora verrucose congcsla (verrucis latit. m,,1 ,2-l mm ,l) rotundata, margine albo 

 subthallino tenui cincta; sporœ 3-5-scplat», longit. mm ,014-18, crassit. mm ,004, 

 hypothecium luteo-rul'cscens ; iodo gelatina hymenea intense eaerulescens, deinde sor- 

 dide vinose tincta. In Tasmania (Oldfield). 



