135 



divisio sporarum omnino recedunt. — Corticola prope Bris- 

 bane, Queensland: Bailey n. 1611. 



94. PleurotremaBurchellii MiilK Arg.; thallus 

 albus, tenuissimusj continuiis etlaevls; apothecia 2|10 mm lata, 

 nigra, hemisphaerica, modice obliqua, subrugoso-asperula, 

 nuda, superne dcmum lateraliter latiuscule ostiolata; peri- 

 thecium dimidiatum; asci lineares, circ. 80 n longi; sporae 

 capillari-tenues el pluriloculares, circ. 40 ti longae. — Est 

 proximum Pleuro tre mati leptospo ro Miill. Arg. e Terra 

 Fuegia, sod apothecia sunt distincte minora et in sectioae 

 magis hemispbaerica. — Corticola in Brasilia tropica: Burchell 



D. 2026; parce, in hb. Kew. 



95. Tomasellia nigrescens Miill. Arg.; thallus ni- 

 grescenti-fuscusj tenuissimus, laevis; apothecia siraplicia et 

 duplicia tripliciaque, priora Va^im lata, reliqua arabitu crenata 

 et apice 2 — 3-gibbosa, leviter convexa^ nuda et atra, deraum 

 apice nitidula; perithecia basi deficientia; paraphyses copi- 

 osae; sporae biseriatim S-nan^ 2-loculares, fusiformi-ellipsoideae^ 

 circ. 16 fi longae et 7 // latae. — Sabaffinis est Tomaselliae 

 Cuban ae Miill. Arg., cujus apothecia magis composita et 

 sporae tenues. — Corticola in Igarape dos Ramos fluminis 

 Amazonum; Spruce n. 364 in hb. Kew. 



96. Clathroporina desquamans Miill. Arg. L. Brisb. 

 n. 135, forma s or ed iife ra; soredia subcopiosa, patelli- 

 forraia, V2 — ^/4 ^i™ lata, recte truncata, margine acuta, et 

 discus pulvere aurantiaco-albido adspersus. In uno specimine 

 brisbanensi (Bail. n. 1602) hujus speciei bene tructifero 

 eimul aderant soredia perpauca omnino consimilia, undo forma 

 sorediifera hucusque dubia certe Imic speciei adscribenda evadit. 



Corticola, Brisbane Queensland: Bailey n. 370. 



97. Polyblastia caesiella Mull. Arg.; thallus caesio- 

 albus, tenuissimus, laevis; apothecia 3/10 mm lata et minora, 

 modice depresso-globosa, paallo latiora quam alta, primuro 

 thallino-vestita, mox late nuda et nigra; perithecium nigrum, 

 completum sed basi distincte tenuius; paraphyses copiosae ; 

 asci 4 — 8-spori; sporae circ. 23 (U longae et 10 ft latae, 

 circ. 8-loculares, loculi semel v. bis et ter longitrorsum 

 divisi. — Juxta P. lacteam Mass. inserenda est, a qua prima 

 fronte colore thalli et apotheciis mox nudis gracilioribus 

 differt. — Corticola, in Brasiliae prov. Rio de Janeiro; 



Glaziou n. 5483. 



98. Polyblastia nudata Mull. Arg.; thallus maculari- 



albus, tenuissimus, laevigatus, nitidulus; apothecia diametro 



^s mm subaequantia, hemisphaerico-convexa, primum albido- 



v'elata; mox dein nuda et obsolete nitidula, fere omnino 



emersa; perithecium basi incompletum; asci latiusculi, 8- 



