Lecidea] i. discolichenes (Wainio). 425 



dispersis aut rarius subcontiguis, hypothallo albido et ad ambitum 

 anguste cseruleo-nigricante, neque KHO nee CaCUOo reagens. 

 Apothecia 0'7 ad 1'6 mm. lata, adpressa, convexa, disco nigricante, 

 tenuissime pruinoso, margine tenuissimo nigro aut pruinoso demum 

 evanescente. Excipulum nigricans, KHO non reagens. Hypo- 

 thecium pallidum aut dilute fuscescens. Hymenium superius 

 cserulescens, epitbecio fuligineo, KHO non reagente, jodo cferu- 

 lescens, demum obscuratum aut ascis partim obscure vinose 

 rubentibus, materiam oleosam abundanter continens. Para- 

 pbyses arete cohserentes, mediocres, baud connexse. Asci clavati. 

 Spor^e Snse, disticbse, decolores, simplices, subglobosse vel ellip- 

 soideo-globosje, long. 0-008 ad 0-009, crass. 0-007 ad 0-0065 mm. 

 Pycnoconidia ellipsoidea, long. 0-003, erass. 0-0015 mm. Sterig- 

 mata paueiartieulata, bre\'ia, apicibus abrupte attenuatis. Inter 

 Biatoras et Eulecideas est intermedia. 



MossAMKDES. — Ad lapides calcareas in Serra de Montes Negros 

 500 ad 600 ped. s. m. Nos. 13, 15 pr. p. 



22. L. Sangeana Wain., sp. n. 



Thallus crustaceus, tenuis, verruculoso-insequalis, esorediatus, 

 albidus, KHO non reagens, bypothallo indistincto aut passim ad 

 ambitum linea nigricante indieatus. Apotbecia 0-5 ad 0-4 mm. 

 lata, adpressa, disco atro aut fusco-atro aut pr. p. livido, nude, 

 l^lano aut planiusculo, margine tenui, atro, persistente, subintegro 

 aut flexuoso. Excipulum et hypothecium fusco-fuligineum, KHC) 

 non reagens. Hj'menium circ. 0-045 mm. crassum, jodo per- 

 sistenter cseruleseens. Epithecium dilute fuscescens aut rarius 

 decoloratum, KHO non reagens. Parapbyses arete cobserentes, 

 baud ramosse, tenues, apice clavatte. Asci clavati. Sporse Snse, 

 distichsB, decolores, simplices, fusiformes aut ellipsoidese, long. 

 0-007 ad 0-015, crass. 0-003 ad 0-005 mm. L. myriocarpoidem 

 Nyl. in memoriam revocat. Inter Biatoras et Eidecideas est 

 intermedia. 



GoLuxc;o Alto. — Ad arbores juniores Artocarpeas in sylvis prope 

 Sange. Nos. 172, 173. 



23. L. (Eulecidea) lithagoga (Nyl.) Wain. 

 Lecanora lithagoga Nyl., Lich. Angol. p. 7. 



Tballus crassus (circ. 0-5 ad 0-7 mm.), ai-eolas cii'C. 2 ad 1 mm. 

 latas, ambitu crenulatas vel lobulatas, convexas aut rai"ius in 

 crustamcontinuamconfluentes formans, strato corticali eartilagineo 

 verrucas convexas aut planiusculas avit rarius isidioideo-elevatas 

 semipellucidas cimento thallino gonidia continente albido eongluti- 

 natas formante instructus, KHO levissime flavescens. Medulla 

 jodo non reagens. Apothecia thallo immersa, excipulo fusco- 

 fuligineo basi deficiente. Hypotbecium pallidum. Hymenium 

 superius dilute fuscescens, KHO sordide \'iolascens. Parapbyses 

 baud connexaj. Ad species inter Eulecideas et Aspicilias inter- 

 medias pertinet et affinis est L. huelliance Miill. Arg. 



MossAMKDES. — Ad lapides calcareas in Serra de Montes Negros 

 500 ped. s. m. Nos. 16, 51 pr. p. 



