BY JOHN SHIRLEY, B.SC. 



197 



5. O. Bonplandi, Fee. 



Thallus sordid, pallido-fuscescent, cartilagmeo-raeinbran- 

 aceous, effuse ; lirellae sessile, thick, sub-cylindrical, some- 

 what shining, straight, epithecium rimiform ; proper 

 M. margin connivent, elevate, sub -annate ; spores narrow 

 fusiform, from hyaline to obscurely olivaceous, -03 — "045 

 x -0035— -0045 id m , 7—10 locular. 



" Species outwardly not at all readily separated from O. 

 agelea?a and O. prosodea. The first is distinguished by 

 the spores being small and 4-locular, the latter by the 

 much more -divided spores showing 10 — 18 loculi, the 

 the loculi scarcely longer than wide.*' Mull. Arg. Graph. 

 Fee. 



Syn. — O heterocarpa, Krph. : Graphis compressa, Fschic. . 

 G. herpetica v. subconica, Eschic. 



Hab. — Toowoomba. 



II. — Melaspilea, Nyl. 

 Apothecia with simple proper margin, paraphyses not 

 connected ; spores fuscous. 

 1. M. opegraphoides, Xi/L 



Cohort B. — Apothecia variously margined ; spores divided as in 

 Graphis, with loculi lentiform and simple, or parenchy- 

 matous, paraphyses not connexo-ramose. 



III. — Ph.eographis, Mull. Arg. 



Spores brown, transversely divided, loculi lentiform, simple. 



1. P. eludens, Stirto?i. ( Shirley.) 



Thallus ashy or pallid-rufescent, rather thick, to *3 m.m., 

 smoothish with minute network of fissures ; apothecia 

 innate, not sulcate, sooty brown-black, oblong or oblong- 

 linear or irregular, sparingly obtusely branched : epith- 

 ecium somewhat concave or flattish, width about 06 m.m., 

 now and then separated from the thalline margin j spores 8 



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