16 W. Ntlandeb. 



37. Lecidea disciformis Fr., Nyl. Paris p. 98. Thalhis granulato-iiife- 

 qualis, K flavens. Sporse fusca? l-septatœ, long. 0.010^20, crass. 0.007 — 8 

 millim. — Peradenia et Rampodde, corticola. Hœc apotheciorum disco sub- 

 csesio-prinoso. Sporse long. 0.018 — 23, crass. 0.007 — 9 millim. lodo gela- 

 tina hymenialis intensive cœrulescens. 



* L. nuhila Nyl. Thallus cinereo-fuscescens tenuis rugulosus; apothecia 

 nigra plana marginata (latit. 0.8 — 0.4 millim.). Sporse long. 0.016 — 20, crass. 

 0.007 — 0.011 millim. lodo gelatina hymenialis intensive cœrulescens. — 

 Rampodde, super lignum putridum. 



38. Lecidea triphragmia Nyl. Prodr. p. 141, Scandin. p. 236, Flora 

 1869, p. 298. Thallus K flavens. Sporse fuscEe 3-septatae, long. 0.015 — 

 21, crass. 0.007 — 8 millim. — Peradenia, corticola. 



39. Lecidea myriocarpa DC, Nyl. Prodr. p. 141, Paris p. 100. — 

 Ibidem. 



40. Lecidea pusillula Nyl. Thallus cinerascens tenuissimus continuus inde- 

 terminatus; apothecia nigra punctiformia planula (latit. circiter 0.1 millim.); 

 sporae 8:nae fuscse 1-septatse, long. 0.010 — 11, crass 0.005 — 6 millim., hypo- 

 thecium incolor, epithecium fusco-nigricans. lodo gelatina hymeninlis cœru- 

 lescens, dein obscurata. — Rampodde, saxicola, socia Lecanorœ exiguœ, per- 

 tinens ad stirpem Lecideœ atroalhellœ prope L. microteram et minutulam thallo 

 K — , I — , minutie jam distincta. 



Trib. 15. — Pertusariei. 



1. Perfusaria communis DC. var. pertustda Nyl. Est minor quam ty- 

 pus. Thallus K — , medulla K flavescens. Apothecia ostiolis punctiformibus 

 nigris. Sporse binse, long. 0.096—0.110, crass. 0.036 — 40 millim. — Pera- 

 denia, corticola. 



2. Pertusaria leucosorodes Nyl. Subsimilis P. leucosorœ Nyl., thallo al- 

 bido ruguloso rimuloso, sorediis K flaventibus. — Rampodde, corticola. 



3. Pertusaria Irioplaca (Ach.) Schaer., Nyl. N. Gran. p. 36, Paris p. 

 72. Thallus K — . Sporse 8:nae long. 0.080—0.145, crass. 0.042—0.050 

 millim. — Point de Galle, Peradenia, Rampodde, corticola. 



4. Pertusaria melastomella Nyl. Thallus albidus tenuis continuus, K — ; 

 apothecia in verrucis mastoideo-convexis monohymeneis (latit 1 millim. vel 

 minoribus), puncto epitheciali nigro; thecse 8-sporse, long. 0.056 — 85, crass. 

 0.030 — 32 millim. Affinis P. leioplacœ, sed notis datis distincta. — Pedro- 

 tallegalle, ramulicola. 



T. XXVI. 



