74 ADDITIONS TO THE LICHEN FLORA OF QUEENSLAND. 



Spores 8, colourless, cymbiform, murali-divided, length, *09 to 

 •15 m m., breadth '025 to -04 mm. ; epispore thick. (Trans. Lin. 

 Soc. 2nd Series, Botany, V. I., Part 5th.) 



Habitat : On bark, Three-mile Scrub. 



Determined by Dr. C. Knight, New Zealand. 



Lecidea (Bombyllospora) Brisbaniensis, C.K sp. 



nov. — Thallus pale yellow, indeterminate, very thinly crustaceous, 

 fissure broken, smooth, unequal. Apothecia rich red-brown, scat- 

 tered or occasionallyin twos : disk concave when young, then plane, 

 finally slightly convex ; margins entire, thickish, concolorous witli 

 disk, sinuate, whole structure 1-2 m.m. wide. 



Spores 2 ?, brown, very variable in size and 9hape, linear 

 oblong, oval, bluntly oblong-turbinate, &c. ; septa i)-12, seldom more 

 than four transverse cellules per row ; paraphyses capillary witli 

 fine clavate uncoloured tips, sub-conglutinate. Hymenial gelatine 

 with K violet. (From the original specimen.) 



Habitat. — On bark, Sankey's Scrub. 

 Determined by Dr. Kniout, N.Z. 



Lecidea (Rhizocarpon) clausa C.K., sp. nov.— 



Thallus bluish-Hack or smoke coloured, crustaceous, fissure cracked 

 into small polygonal plates or almost athalline. 



Apothecia black, immersed convex, circular in outline, 



usually single in each plate. 



Spores 8, in a single scries, usually 6-septate, murali-dmded. 

 l-o cellules in each transverse series. Loculi almost colourless, 

 septa dark-brown ; 03 x -015 mm.. (From the original specimen.) 



Habitat : On rocks, Helidon, with Lecanora aurantiaca (De- 

 termined by Dr. Knight, N.Z.) 



Lecidea reniformiS, Shirley sp. nov.— Thallus obscurely 

 lobate in imbricating flattened fronds, with thread-like lateral 

 lacima; ; the whole anastomosing and frequently confluent into a 

 crustaceous thallus with rugulose surface. Colour of thallus, a pale 

 glaucous or greenish grey. 



