158 Acta Societatis pro Faima ct Flora feuuica, VII. 



bus, nieiiibranis tenuibus, lumine ccllularum comparate sat lato. 

 Gonidia protococcoidea. Aimtliecia lecanorina, thallo innata, mox 

 emergentia adpressaque, aut immersa permancntia, nigra aut fusca 

 aut pruinosa. Eoxipulim nullum distinctum aut thallodes, strato 

 corticaK pseudoparenchymatico, membranis tenuibus instructo, 

 perithecio proprio nuUo aut abortivo et stratum tcnuissimum 

 parumque distinctum circa hypothecium ct intcr hymcnium et 

 marginem thallodcm formante. Sporae einpsoideae aut oblongac, 

 fuscescentes nigricantesve, 1 3-septatae aut raro submurales, 

 8:nae aut raro phires paucioresve, interne membrana aut septa 

 incrassata. Conceptacula pijrnoconidiorurn thallo immersa aut 

 levissime prominula. .,Sterigmata articulata, articuhs paucis aut 

 sat numerosis, brevibus. Pycnocoyiidia oblonga aut breviter cy- 

 hndrica." (Linds., Ivlem. Spermog. Grust. Lich. 1870 p. 226, tab. 

 IX fig. 1721, Nyl. in Hue Addend. p. 78). 



1- E. griseosquamosa Wainio (n. sp.). 



Thallus crustaceus, squamuloso-areolatus, squamuhs vulgo 

 difformibus crenatisque, cinereis aut rarius fuscescenti-cincreis, 

 pro parte in areolas confcrtis connatisque. Apothecia thallo im- 

 mersa, demum semiimmcrsa, 1 0,5 millim. lata, disco plano, 

 fusconigro, nudo, margine thallode demum distincto, thallum levi- 

 ter supcrante, sat tcnui, integro. Hypotheciiim ahjidum. Sporae 

 8:nae, vulgo cllipsoideae oblongacve, 1-septatae, long. 0,0 2i 0,016^ 

 crass. 0,010 0,oo8 millim. 



In rupe granitica ad Rio de Janeiro, n. 179, 220. Squa- 

 mulae thallinae marginc sublibcrae, ceterum adnatae, crassitie 

 mediocrcs aut sat tenues, nequc I, ncc KHO, nec Ca GI^ O^ rea- 

 gentes. Thallus maxima partc cx hyphis contcxtus parenchyma- 

 tice septatis, membrana tenui instructis, aere disjunctis, in strato 

 corticali superiore, e scric horizontah simplice cellularum formato, 

 conglutinatis et in cellulas paullo majores dilatatis (Zn GI^ -f- 1). 

 Gonidia protococcoidca, globosa aut cllipsoidea. Excipulum pro- 

 prium abortivum, passim conspicuum intcr hymcnium ct margi- 

 ncm thallodem, passim ctiam ad latera hypothecu, pseudoparen- 

 chymaticum; excipulum thaUodes basi haud constrictum. Hypo- 

 thecium albidum, parenchymaticum. Hymenium circ. 0,ioo 0,i2 

 millim. crassum, jodo persistenter caerulescens. Epitheciimi fu- 



