Lecidea. 9 



dermaticas aut elongatas divisis, raro strato medullari aerem 

 inter hyphas continente stuppeove instructum. Paraphyses sim- 

 phces aut raro ramoso-connexae. Sporae forma variabiles, de- 

 colores aut nigricantes, simphces aut septatae aut murales, 8:nae 

 sohtariae aut raro circ. 30:nae" (MiUl. Arg., Lich. Beitr. 

 n. 1486), interne membrana haud incrassata (aut raro intus in- 

 crassata et simul decolores), interdum extus halone indutae. Con- 

 ceptacula 'pycnoconidionun thaUo immersa aut verruculas in thaho 

 formantia. Sterigmata simphcia aut pauciarticulata aut raro phu^i- 

 articulata. Pycnoconidia oblonga aut elhpsoidea aut cyhndrica. 



Subg. I. Toninia (Mass.) Wainio. Thallus squamulosus aut 

 squamuloso-areolatus vel ex areohs crenulatis lacinulatisve con- 

 stans. Sporae tenues, longae, baciUares aut aciculares aut fusi- 

 formi-aciculares, 3 phu-i-septatae, decolores. 



Toninia Mass.. PJc. Licli.' Crost. (1852) p. 107; Koerb., Syst. Germ. 

 (1855) p. 182. Toninia ^Eidoninia Tb. Fr., Lich. Scancl. (1874) p. 330. 



3. L. squamulosula Nvl., Lich. Nov.-Cxran. (1863) p. 461, 

 ed. 2 (1863) p. 349 (secund. descr.). 



Thallus squamulosus, squamuhs circ 0,5 0,3 mihim. lon- 

 gis, adscendentibus, incisis crenatisque, glaucescenti-albidis, supra 

 hypothahum nigrum dispersis aut in crustam confertis. Apothe- 

 cia 2,5 1,5 mihim. lata, disco plano, fusco-nigro nigricanteve 

 [aut fusco-rufescente"], nudo, margine crassiusculo, discum ae- 

 quante, testaceo aut fuscescente, persistente. Hypotheciuyii pal- 

 hdum. Epithecitim ohvaceo-nigricans. Sporae bacihares aut aci- 

 culares, rectae, long. 0,0 74 O,0 3 2, crass. 0,oo4 0,oo2 mihim. 



Ad corticem et ramos arborum prope Sitio (1000 metr. s. 

 m.), n. 777, et in Carassa (1400 1500 metr. s. m.), n. 1385, 

 in civ. Minarum. Thalhcs hyphis 0,oo3 O,002 5 mihim. crassis, 

 sat leptodermaticis. Gonidia protococcoidea, normaha. Eoxi- 

 puluni chondroideum, ex hyphis radiantibus formatum, (in la- 

 mina tenui) basi fere decoloratum, in margine intus palhdum, 

 extus rufescens. Hymenium circ. 0,0 8 mihim. crassum, jodo 

 leviter caerulescens, dein vinose rubens. Epithecium KHO non 

 reagens. Paraphyses sat arcte cohaerentes, 0,ooi mihim. cras- 

 sae, apice haud incrassatae, neque constrictae, nec ramosae. 



