8 



ADDITIONS TO THE LICHEN FLORA OK QUEENSLAND. 



Spores very small, -0045 mm long by -0025 mm thick, 

 bilocular, contracted at the septum, loculi hemispherical, or nearly so. 



Habitat : — On dead woxl, Brisbane Racecourse, Cabbage-tree 

 Creek, and Redbank Plains. — J. Shirley. 



Platysma eriophyllum, C. K. Thallus simple, 



with dark-coloured medulla and white woolly surfaces, 

 1-1 \ incli in greatest width ; surface wrinkled, margins 

 almost simple, clasping a twig by the posterior and lateral 

 margins, and with the anterior margin free, horizontal, and 

 bearing the apothecia only along its edge. Apothecia from 1*5 

 to 2 mm. in diameter, disk dull-red to black, flat; margin truly 

 thalline with a beautiful white ray of the woolly filaments, Asci 

 ovate-cylindrical with 2-seriate contents i04 x '015 mm , or narrow- 

 cylindrical and s:>ores 1 -seriate. Spores ovate or globular, simple 

 and colourless, *007 x '( , 0o mm. Paraphyses with iodine dull- 

 brown, matted, granular. 



Habitat :— Mount Mistake. — J Shirley. 



3. Ricasolia plurimiseptata, C. K. Thallus pale- 

 grey, witli smooth upper surface Hparsely dotted over with 

 small black spermagonia ; lobes few, rounded, witli sinuate margins. 

 Apothecia shortly pedicellate, at first resembling those of Parmclia 

 munrfata, afterwards witli incurve 1 laterally flattened margins, 

 becoming boat-shaped. The under surface of an apothecium thus 

 exhibited is covered witli exceedingly tine closely-set granules. 

 Disk dull dark-red. Asci clavate-cylindrical, -OS x '01 mm. 

 Spores overlapping and massed, acicular, colourless, 12-15 septate 

 •00 x .005 mm Paraphyses clavate, separating, tips very dark- 

 brown (I). 



Habitat : Mount Mistake. — J. Siiiklkv. 



4. Pannaria fiexuosa CK. — Hy pot hall us black, to which 



the brownish-grey or grey -drab thalline lobes are closely appressed ; 

 thallus linear-lobate with forked terminations, linear lobate masses 

 seldom more than 2-3 mm. in length. 



