42 



mm. latae, simplices v. hinc ramulum gerentes, rima angustis- 

 sima aperientes, margines laeves, nigri, subnitiduUj discus de- 

 mum latiuscule apertus et ater, planus, peritheciura basi com- 

 pletum; sed ibidem marginibus baud crassius v. noanihil angu- 

 statum; epithecium nigricans; asci ovoideo-cjlindrici, S-sporij 

 sporae 13 — 15 n longae, 3*/a— 4 jjt latae, aequaliter 3-septatae, 

 utriuque apicem versus aequaliter angustatae. — Proxima Op, 

 agelaeae F6e (Nyl. Prodr. N. Gran, 8" p. 91), sed apothecia 

 magis nitidula, demum praesertim medio latius aperta et am- 

 bitus sporarum angustiorum alius. Similiter sporis differt Op. 

 simplicior Nyl. Expos. Lich. Nov. Caled. p. 49, Syn, N. Cal. p. 55 

 et sporis et apotheciis Op. diagraphoides Nyl. Lich. Port, Natal 

 p. 12. — Habitat corticola prope Apiahy in Brasiliae merid. 

 prov. San Paolo; Puiggari (sine no.). 



158. Opegrapha brachycarpa Miill. Arg,, thallus tenuissimus, 

 macularis, pallide olivaeeo-fuscescens, linea fusca limitatus; 



iirellae valde abbreviatae, Vs^'Va (^* ^^^^ usque Va) oini- longae, 

 Vs — */t ^Di. latae, sessiles, basi consferictae, simplices v. hinc 

 medio breviter ramuUgerae, rectae, subnitidulae, labia laevia, 

 rima angusta v. discus hinc inde medio latiuscule apertus, pla- 

 nus et niger, perithecium basi completum et crassum; lamina 

 hyalina, epithecium fuscescens, paraphyses facile segregandae, 

 asci cylindrico-obovoidei, apice pachydermei, 8-spori; sporae 

 hyalinae, 22 — 25 p, longae, 4—5 n latae, fusiformes, utrluque, 

 obtuse attenuatae, 3 — 5-septatae, loculus intermedins reliquis 

 dlstincte sed modice major, — Affinis Op. abbreviatae F6e Ess. 

 p. 25 at pluribus distans, A prbxima Op. agelaeoide Nyl. Lich. 

 of New. Zeal, p. 257 jam thalli colore et sporis anguatioribus 

 recedit. — Habitat corticola prope Apiahy in Brasiliae merid. 

 prov. San Paolo; Puiggari (absque no.). 



159. Opegrapha Puiggarii MttU. Arg., thallus (in foliorum 

 coriaceorum limbo) macularis, haud linea Hmitatus, obscure 

 viress v. levifcer fuscescenti-virenSj irregulariter suborbicularis, 

 saepe circ. 1 cm. latus; Urellae arete adnatae, V, — I'/a mm. 



longae,^ mm. latae, basi dilatatae, in sectione late pyrami- 



dales, rima tenui Aisco-pallida subaperientes, perithecium nigrum, 

 laeve, basi sub lamina deflciens, ibique tantum linea fusca sub- 

 hypothecialis adest; lamina hyalina, asci evoluti 65 ^ longi, 

 20 fi latij oblongato-obovoidei, late obtusi, haud peculiariter 

 pachydermei, 8-spori; sporae circ. 25 ft longae, absque halone 



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