84 



THE LICHEN FLORA OF QUEENSLAND, 



plicatulate, ascending in the centre, depresso-adnate at the 

 M circumference ; hypothallus ashy-gray. Apothecia dark- 

 rufous, plane, small, crowded, not easily recognised from 

 being almost concolorous with the very dark thallus. 

 Spores 8, colourless, fusiform - cylindrical, pluri-septate. 

 •055 - -0825 x -0055 m.m. 



Syn. — Synechoblastus niarescens, Huds ; Lichen resper- 

 tilio, Lgltf. 



Hob. — Cabbage-tree Creek, on trunks of trees. 



4. C. leucocarpum, Tayl. 



Thallus dull leaden colour to sooty black, closely appressed ; 

 lobation indistinct, lobes circular in general outline with 

 crenate margins : older fronds with sooty masses of soredia. 

 Apothecia not marginal, when young as pustules with 

 punctured summit, waxy disk, and pale thalline margin, 

 M then flat and lilac in colour, at length concave, fleshy, pale 

 red-brown ; spores 8 fusiform, polyseptate, '00 x -015 - 018 

 m.m. Paraphyses sub-discrete, with tuberculated tips, 

 obscured by pale-brown granules. Hym. gel. blue with 

 iodine. 



Syn. — C. glaucophthalmum, A'///. Synechoblastus glau- 

 cophthalmus, Nyl- C. nigrescens v. leucocarpum, Bab, 

 Ft N. X. 



Hab. — Mt. Mistake and Goodna, on bark of living trees. 



5. C, (Synechoblastus) microcarpum, Mull. Arg. 



I\I Vol. XL, Fragmenta Phytographise Australia'. 



■ 



II. — Leptogium, Ach. 



Thallus as in Collema, but thinner, all cellular or with a 

 cellular cortical layer. Apothecia with a thalline border which 

 is concolorous with or paler than the surface of the disk. Spores 

 8, ovate, ellipsoid, or fusiform, variously septate or divided. 

 Gonimia moniliform. 



