400 I. DiscoLiCHENES (Wainio). 



6. P. Abessinica Nyl. in Krempelh. Lich. Afr. p. 140, Fl. 1885, 

 p. 608 ; Stizenb., Licb Afr. p. 53. 



Ad flumen Kongo legit Ledien, teste Stizenb., I.e. 



7. P. Soyauxii Mull. Arg., lich. Afr. Occ. (Linnsea 1880) p. 32. 

 Ad lapides prope Pungo Andongo in Angola lecta a Soyaux, 



teste Mull. Arg., I.e. 



8. P. perforata (Jacq.) Aqh. ; Wain., I.e., p. 38. 



Pungo Andongo (2400 ad 3800 pad. s. m.).— Ad basin truncorum 

 in sylvis claris prope Prsesidium. No. 115. Ster. 



9. P. sublaevigata Nyl. in Fl. 1885, p. 611 ; Wain., Etud. 

 Lich. Bres. I. p. 53. 



P. Hooheri Tayl. (Mull. Arg. Lich. Beitr. n. 1338) thallo 

 isidioso ab hac specie difFert. 



Pungo Andongo (2400 ad 3800 ped. s. m.). — Ad Vellosias in rupibns 

 prope Prseaidiuin. No. Ill pr. p. Fert. Ad ramos fruticis Caxinde- 

 candange (i.e. Myrothamnus flahelUfoUug Welw. No. 1279) in rupibus 

 editis prope Guinga Sobati Quibanga. No. 114 pr. p. Ster. 



Golungo Alto. — Ad truncum arboris in sylvis prope Tange. 

 No. 122. Ster. 



10. P. hypocraea Wain., sp. n. 



Affinis P. quercince (Willd.) sive P. iiliacece Nyl., at thallo 

 subtus paUido et reactione thalli ab ea differens. Thallus superne 

 glaucescenti-albidus, inferne pallidus, laciniis circ. 5 ad 1"5 mm. 

 latis, adpressis, crebre lobatis incisisque, axillis lacinularum 

 rotundato-conniventibus, esorediatus, isidiis destitutus, subtus 

 rhizinis brevibus, paUidis, subsimplicibus usque ad marginem 

 instructus, KHO superne non reagens, intus lutescens et demum 

 rubescens, OaC]202 non reagens. Apothecia circ. 5 ad 2 mm. 

 lata, applanato-cupuliformia, imperforata, sessilia, disco rufo, 

 margine fisso aut subintegro, excipulo extus isidioso. Sporse 8nse, 

 elhpsoidese, long. 0-012 ad 0-009, crass. 0-007 ad 0-006 mm. 

 Hymenium jodo persistenter cserulescens. Paraphyses arete 

 cohaerentes, neque ramosse, nee connexse, clavatse. 



HuiLLA (3800 ad 5500 ped. s. m.). — Ad corticem arborum Legu- 

 minosarum in sylvis densis juxta flumen Monino. No. 32 pr. p. Fert. 



P. leucorhiza Wain. (P. hypoleuca in Lich. Ruwenz. p. 40, baud 

 Miill. Arg., Lich. Beitr. n. 1145) thallo tenuiore et reactionibus ab hac 

 specie diffiert. 



11. P. isidiza Nyl. in Fl. 1885, p. 612 ; Wain., Etud. Lich. 

 Bres. I. p. 48. 



Pungo Andongo (2400 ad 3800 ped. s. m.).— Ad ramos fruticis 

 Cuxinde-candange (i.e. Myrothamnus flahellifoUus Welw. No. 1279) in 

 rupibus editis prope Guinga Sobati Quibanga. No. 114 pr. p. Ster. 



Ad Serra Chella in Angola legit Newton teste Nyl., I.e. 



12. P. conerescens Wain., sp. n. 



Thallus superne glaucescenti-albidus, subtus niger, adpressus, 

 crebre laciniatus, laciniis insequaliter dilatatis, circ. 4 ad 0-5 mm. 

 latis, planis, contiguis et passim confluentibus, apicibus sub- 

 truncatis, circ. 1 ad 0-5 mm. latis, irregulariter dichotome ramosis, 



