52 



leviter substellatim dehiscente demum urceolari-angulari 

 et obsolete fisso terminatae; fundus ottioli niger; peri- 

 thecium interius superne nigro-fuscum, basi sub lamina 

 annulari nullum, centro in columnulam nigram evolutum; 

 sporae 8-nae (hyalinae), 32 — 38 jti longae et 8 — 9 /* latae, 

 fusiformes, (8) 9 — 12-loculares. — Habitu quasi 0. Jiailcyi 

 male evoluta, sed tballus subflavicans, baud laevigatas, 

 apothecia minora et minus emersa, aliter aperientia, fundus 

 baud albus et sporae vulgo magis divisae. Affinis est 



0. emersae Mull. Arg. — B. n. 533. 



Trib. Graphideae MOIL Arg. Graph. Feean. p. 4 



et 13. 



45. Pliaeographina (s. Eleutheroloma) caesiopruin- 



nosa Miill. Arg. Graph. Feean. p. 49. — B. n. 548 

 pr. p. (male evoluta, sporae tamen visae). 



46. Pliaeographina (s. Chrooloma) chrysentera 



(Montg.) J Miill. Arg.; Graphis chrysenteron Montg. 

 in Ann. Sc. nat. II. v. 18 p. 39. - B. n. 548, 591 

 (sine spor.), 589 pr. p. 



47. Pliaeographina (s. Chrooloma) contexta Miill. 



Arg. in Bot. of Socotra p. 379. — B. n. 587 

 sine sporis). 



48. Graphina (s. Platygraphina) simulans; Graphis 



simulans Leight. Lich. Ceyl. p. 177. — B. n. 587 pr. 

 p. (sine spor.) 



49. Graphina (s. Medusulina) egenella Miill. Arg.; 



thallus pallido - argillaceus, tenuissimus, hypophloeodes, 

 evanescens, circa lirellas tumidus et albescens et in 

 muculam crassufam confluens;lirellae perexiguae, graciles, 

 lineares, subsimplices, erumpentes, lateraliter thallino- 

 tectac, omnino immersae; discus ^o — V10 mm latus, 

 subearneus et nudus; perithecium superne fulvescenti- 

 pallidum, caeteruin indistinctum; sporae in ascis biseriatim 

 8-nae (hyalinae), 12— 14 ^ longae, G 1 ^— 8 j" latae, ellip- 

 soideae, utrinque late obtusae, 4-loculares, loculi saepius 

 2-locellati. — Habitu ad Graphinam nitidam (Eschw.) 

 Miill. Arg., cui pertinet Graphis egena Nyl. Lich. Boliv. 

 p. 228, accedit,sed sporae multo minores et minus divisae 

 sunt. — B. n. 531. pr. p. 



50. Graphis (s. Aulacogramma) rimulosa v. pul- 



verulenta; Graphis striatula v. pulverulent a Nyl. Lich, 

 v Mex. Fred. Mull. n. 80. — B. n. 549 pr. p. 



51. Graphis (s. Aulacographa) duplicata Ach. Syn. 



p. 81 ; Opegrapha condaminea Fee Ess. p. 30. t. 9. 

 Fig. 1. — B. n. 596. 



