202 



THE LICHEN FLORA OF QUEENSLAND, 



closely spread, and at times clustered. Thecse narrow- 

 cylindrical, 1 2-spored ; spores linear-bifusiform, apices 

 acute, to 15-locular, straight or curved, the terminal cell 

 longest, the remainder transversely oval, -08 x *012 m.m. 

 Hab. — On bark, Mt. Perry. 



fttt Aulacographa. — Perithecium wanting at the base; 

 lirella3 sulcate ; disk black. 



11. G. duplicata, Ach. 



Lirellse emergent, longitudinally furrowed ; perithecium 

 thin or wanting at the base; resembles G. rimulosa in 

 habit and form of apothecia, which are longish or elongate, 

 and often acuminate-angustate, but differs in the dimidiate 

 perithecium ; differs from G. striatula, Ach., in the lirella3 

 M. being less emergent and more or less thalline clothed; and 

 is separated from G. lineola, Ach. (s. G. comma) by the 

 wider and more open lirellae. Spores 02 — 05 x -007 — - 01 

 m.m., 8 — lGlocular. Mature apothecia disclose a wide- 

 mouthed, whitish, hypothecial fissure, extending beneath 

 the lamina; lips — 1 — 1 sulcate. Mull. Arg. Graph. 

 Fee. 



Syn. — G. pulverulenta v. biformis, Eschw. ; G. venosa, 

 Eschw. ; G. condaminea, Mass. 



12, G. rimulosa, Mnt. 



Thallus effuse, very thin, ashy-white, minutely granuloso. 

 pulverulent, shining, lirellai wavy, 3 — 6 m m. long, *014 — 

 •016 m.m. wide, dichotomous or irregularly narrowing, 

 somewhat intricate, brandies often becoming very attenu. 

 M. ate ; perithecium wanting at the base, with black margins) 

 above naked ; thalline margins with lips closely connivent 

 and obtuse, longitudinally single or double, sulcate or not, 

 shining; spores 8, -037— '045 x -008—009 m.m., 10—13 

 locular 



Differs from G. striatula in the narrow lirelhe and dimidi 

 ate perithecium. Lich. Beit. v. Dr. J. M., XV. 31. 

 Syn. — G, leptoclada, Mull Arg. 



