228 BR. J. MtLLER — LICBEKES MASIPURENSES. 



90. Ph.eographixa(§ Ciiromodiscus) phlyctidiformis, Mull. 



Arg. ; thallus e glauco-albido mox purpurascens, pro genere crassi- 

 usculus, primum lsevis, dein crebre rugulosus ; apothecia J-l mm. 

 lata, suborbicularia, s»pe varie confluentia, supra thallum emer- 

 gentia, margine thallino late incrassato rugoso prsedita et ver- 

 rucas fere plano-hemisphsericas v. subdeplanato-tuberculiformes 



simulantia ; discus thallino-obtectus, madefactus demum per- 

 spicuis, impure carueus aufc carneo-t'uscus, orbicularis aut an- 

 guloso-orbicularis aut modice oblongatus, apertus planus, circ. 

 j^ mm. latus ; perithecium basi deficieus, lateraliter f ulvescens et 

 pallidum, rudimentarium ; lamina in sectione verticali sat pro- 

 funda, basi vulgo angustata, rubescenti-f uscidula ; sporae soli- 

 tariae, rufo-fuscidulae, circ. 160-200 \x longje, 35-50 /x latae, 

 obtuse fusiformes, vulgo modice sigmoideo-curvatae, intus crebre 

 cubico-locellosa. — Species valde insignis, prima fronte speciem 

 Phlyctidis simulans, e descriptione analoga Graphidl tuberculosa?, 

 Stirt. "On the Lich. of India/' p. 12, et juxta Phceographinam 

 cheilomegas, sc. Graphidem cheilomegas, Fee, inserenda est. 



91. Arthoxia polymorphs, Ack. Syn. p. 7. — A. dilatata, 

 Fee, Uss. p. 54, t. 13. fig. 7. 



92. Arthothelium prcNOCARPOiDEs, Mull. Arg. ; thallus 

 impure albus, tenuissimus, laevis et farinulentus ; apothecia sicca 

 nigra, madefacta obscure olivaceo-pallentia, vix T 2 ^ mm. lata, sub- 

 orbicularia, gregatim in maculas exiguas orbiculares et astroideo- 

 angulosas v. sublineares dense approximata, leviter convexa, 

 obsolete pruinosa, vix emergentia ; epitheciuin nigro-fuscum ; 

 hypothecium f uscum ; sporae 8nae, hyalinse, oblongo-obovoideae, 

 circ. 35 fi longae et 16 fi lata?, 8-11-loculares, loculi 2-3-locellati. 



Habitu simile Mycoporo pycnocarpo, Nyl., sed apothecia tantum 

 eonfluentia, nee in peridio coadunata et hypothecium fuscum. 

 Apothecia dein magis orbicularia quam in simili A. abnormi, 

 Miill. Arg. (ubi sporae m in ores), et dein a proximo A. tadioso, 

 etiam forma apotheciorum et hypothecio f usco differt. 



93. A. erumpens, Miill. Arg.; thallus maculari-hypophloeodes, 

 cum epidermide virenti-albidus; apothecia hypophloeodia, orbicu- 

 laria et oblonga, haec g mm. longa, sicca et madefacta fusco-mgra, 



x • 1 t t. --!!• 1j •__ ^ ~ 1.^-. nnfrninPn 



aculas 



congregata 



ftu^uiueaa uarwis tuiigitgatit ; ijjik uicv uiu |/ciin,m«* vv~**~, -- 



nudae et decedentes, simili s in A. abnormi, Miill. Arg.; epitbe- 



