DR. J. M&LLER — LICHENES MAyiPURE.VSES. 229 



cium crassulum, cum hypothecio nigro-fusco ; sporae in ascis 

 obovoideis 8nae, hyaline, 30-38 p longae, 14-17 n latae, 6-8-locu- 

 lares, loculi transversim 3-5-locellati. — A proximo A. tcedioso, 

 Mull. Arg., differt apotheeiis dimorphis diu hypophloeodicis 

 et hypothecio nigro-fusco. — Parcissime missa. 



94. Mtcoporuai deplanatum, Mull. Arg.; thallus griseo- 

 f uscus, tenuissimus, laevigatus ; peridia f — 1 mm. lata, astroideo- 

 angulosa, oligocarpica, madefacta et sicca nigra, planiuscula, 

 haud distincte gibbosa : hymenia confluentia et distincta ; epi- 

 thecium spurium crassum, nigro-fuscum ; hypothecium tenuiter 

 nigro-fuscum; sporae in ascis oblongo-oboroideis 8nae, hyalinae, 

 ovoideae, hinc acutiusculae, 20-22 f.t longae, 7-9 fi latae, 8-10- 

 loculares, demum crebre cubico-locellatse. — Simile Arthothelio 

 dbnormi et A. nucis, Mull. Arg., sed apothecia polyhymenialia, 

 hymenia strato crasso nigro-fusco subplauo aut nonnihil undulato 

 tecta, extus parum perspicienda et potius speciem Arthonice 

 simulantia, demum conjunctim secedentia et cicatricem fuscain 

 relinquentia. — Parcissime lecta. 



95. M. indicum, Mull. Arg. ; thallus cinereo-albidus, tenuissi- 

 mus, minute granulari-insequalis v. rugulosus ; peridia *~4 mm. 

 lata, suborbicularia, subregularia v. saepius anguloso-irregularia v. 

 astroideo-angulosa, juniora incomplete thallino-velata, dein nuda et 

 nigra, polycarpica, superficie conrexa primum gibberosa ; hypo- 

 thecium hyalinum ; sporae in ascis oblongatis 8nae, hyaline, demum 

 fuseidulae, circ. 33 fx longae et 16 /i latae, panduriformi-ellipsoideae, 

 utrinque late obtusae, medio distincte angustatae, 8-loculares, 

 loculi transversim 3-4-locellati. — Affine M. pycnocarpo, Njl., 

 sed thallus subgranularis et peridia ambitu multo mau;is regularia 

 et bene circumscripta, nnde magis apparent apotheciiformia. 



96. Chiobectox flatica^s, Mull. Arg. ; thallus flavicans, 

 tenuis, confluenti-globulosus v. rugosus, superficie laevis, demum 

 cum stromatibus cinerascenti-flavicans ; stromata circ. 1 mm. lata, 

 solitaria et confluentia, alte hemisphaerica, sparsim multi- 



ostiolata ; ostiola orbicularia, circ. iVVtVo mm ' * ata v - et i am 

 nonnihil oblongata, plana, nigra, baud emersa ; apothecia iunata, 

 leviter altiora quam lata, -^ mm. lata, hyalina ; perithecium 

 lateraliter nullum, infra laminam semicircularem valde angustam, 

 nigro-fuscum ; sporae 8nae, circ. 45 p longae, 3-4 p latae, bacidiales, 

 (6-)8-loculares. — Species valde distincta, nulli arete affinis, iu 



