398 



hygrophano-obscuratae et ostiolis saepe magis obscuris praeditae, 

 duplices efc triplices apice 2 — 3-maculatae v. maculls eonfluen- 

 fcibus late obscuratae; sporae in ascis 2-nae, 100— 130 fi longae, 

 eirc, 30 |x latae, inkus transversim costulatae. — Corticola in 

 insula Mauritii; Robillard. 



764, Pertusaria Glaziom Mull. Arg, ; thallus argillaceo-flavL- 

 dus, subtenuis, laevis, mox rugulosus, margine obsolete zonato- 

 cinctus aufc subeffusus; verrucae concolores, 1 mm. latae, hemi- 

 sphaericae, late obtusae, pauciostiolatae, vulgo autem partiru 

 arete confluentes et numerose duplices triplicesque et dein magis 

 pluriostiolatae, stmplices sat regulares, fere laeves, cum -t hallo 

 opacae; ostiola haud emergen tia nee immersa,, punetiforinia, e 

 fusco nigricantia; sporae in ascis 8-nae, 1-seriales, 55 — 90 p 

 longae, 25—30 \x latae, intus laeves. — Tota sicca argillaceo- 

 pallida, madefactV autem distincte ad seriem flavicanlium spec- 

 tans, inter P. flavmlem Nyl. et P. hioplacellam ejusdem quasi 

 medium tenens; sicca caeterum ad P. trypetheliiformem haud 

 parum accedit, sed tota validior et opaca, verrucae haudlaevir 

 gatae et sporae pro immero octono majores. — Corticola prope 

 Rio de Janeiro parce lecta: Glaziou (sine no.) 



J ¥ 



Pertusaria subflavens Mull. Arg. Diagn. Lich. Socotr. p. 5 ; 

 sporae intus costulatae; corticola in insula Socotra; Dr. Schweinf. 



L ■ 



Pertusaria porinella Nyl. in Prodr. Nov. Gran, p. 36 obs. 

 ad no, 4; sporae intus laeves. — Corticola in California prope 

 San Diego. 



' 765. Pertusaria trisperma Mull. Arg.; th alius cincreo-sul- 

 phureus, tenuis, laevis v. ruguloso-inaequalis, continuus, margine 

 subeffusus; verrucae i / 2 mm. latae, hemisphaericae, obtusae, 

 punctiformi-1 — 3-ostiolatae, vulgo geminatim et tematim. eon- 

 fluentes, obsolete gibboso-inaequales, opacae; ostiola punctiformia, 

 pallida v. fusciclula, demum obsolete prominula; sporae in 

 ascis 3 (raro 4), uniseriales , circ. 80 |jl longae et 28 jh latae. 

 intus laeves. — A aubsimili P. leioplaca v. ihelenelloide Nyl. Add. 

 Lich. And. Boliv. p. 380 , s. P. leioplaeella Nyl. recedit colore 

 thalli subsulphureo-flavido et numero sat regular! ternario 

 sporarum, verrucis minus regularibus, quae caeterum dein 

 superne leviter truncato-obtusae evadunt. A P. flavente Nyl. 

 colore minus intense flavo et ostiolis praet.er alia recedit. 

 Corticola in insula Ceylonia: Tbwaites. 



Pertusaria meridionalis Mull. Arg. L. B. n. 338; sporae intus 

 laeves. 



