Perttbsaria] i. discolichenes (Wainio). 405 



3. P. microthelia Wain., sp. n. 



Thallus crassitudine mediocris (circ. 0*5 mm.), diffracto-areolatvis 

 rimosusve, crebre verruculoso-rugulosus, flavido- vel stramineo- 

 glaucescens, KHO intense lutescens, CaClgOg non reagens. 

 Medulla jodo levissime cserulescens. Apothecia circ. 0'5 mm. 

 lata, thallo immersa aut parum elevata, sorediosa, albida. Sporse 

 hand evolutse. 



HuiLLA (.3800 ad 5500 ped. s. m.). — Ad rupes prope cataractam de 

 Lopollo. No. 5. Ad rupes juxta cataractam prope Fazenda do 

 Ferrao. No. 47. 



4. P. congesta Wain., sp. n. 



Thallus sat tenuis, leviter insequalis, sordide albidus, neque 

 KHO, nee OaOlaOg reagens, Pseudostromata thallo concoloria, 

 circ. 0'8 ad 2 mm. lata, depresso-subglobosa, basi demum constricta, 

 apice convexo, leviter verrucoso-insequalia, ostiolis nigris, puncti- 

 formibus, pseudostroma sequantibus, conferta et partim contigua, 

 KHO neque extus nee intus reagentia, vulgo apothecia plura 

 continentia. Sporse Snae ad Snse, ssepius 4n8e, long. 0-042 ad 

 0-075, crass. 0-020 ad 0025 mm., membrana circ. 0-004 mm. 

 crassa, stratis aequalibus, laevigatis. A P. tuhercidifera Nyl. 

 sporis baud striatis et pseudostromatis verrucosis confertis et 

 magis irregularibus differt. 



GoLUNC.o Alto. — Ad truncos Leguminosarum in sylvis. No. 425. 



5. P. limbata Wain., Etud. Lich. Bres. I. p. 110. 



Ambriz. — Ad corticem Spondiaceae Ncumbi (i.e. Calesiam antiscor- 

 hutica Hiern, Welw. No. 4450). No. 426. 



Sporae Snae, monostichse, long. 0-060 ad 0080, crass. 0-030 ad 

 0035 mm., intus luteaa aut albidse, membrana ()006 mm. crassa, 

 stratis aequalibus, Isevigatis. 



6. P. glaucocinerea Wain., sp. n. 



Thallus crassitudine mediocris, crebre verruculoso-rugulosus, 

 glauco-cinereus, KHO intus fulvescens, extus non reagens. 

 Pseudostromata thallo concoloria, circ. 0-8 ad 1'5 mm. lata, 

 depresso-subglobosa, basi demum constricta, apice convexo aut 

 rarius levissime impresso, leviter verrucoso-insequalia, ostiolis 

 nigricantibus, pseudostroma sequantibus aut leviter prominulis, 

 punctiformibus, crebra, KHO intus fulvescentia, extus hand 

 reagentia, apothecia 1 ad 5 continentia. Sporse Snse, distichse, 

 long. 0-050 ad 0-100, crass. 0*020 ad 0028 mm., membrana intup 

 striata aut in eodem apothecio etiam stratis Isevigatis, exosporio 

 sat tenui, hand mucoso. 



GoLUNGO Alto. — Ad ramulos arboris Artocarpearum in sylvis 

 primaevis montis Serra de Alta Queta. No. 434. 



7. P. crebra Wain., sp. n. 



Thallus sat tenuis, leviter inaequalis, albidus vel glaucescenti- 

 albidus, rimosus, KHO non reagens. Pseudostromata 05 ad 

 0-8 mm. lata, depresso-subglobosa, basi constricta, apice vulgo 

 convexo et cinereo-pallido, ostiolis cinereis vel obscuris, puncti- 

 formibus, leviter prominentibus, conferta, KHO intus fulvescentia, 



YOL. II. 27 



