162 TASMANIAN LICHENS. 



often inflexed, back of receptacle verrucoso tomentose. Spores 

 6 to 8, colourless or pale fuscescent, fusiform, 3 septate, '03 to 

 •042 X -006 to -007 mm. 



Hab. on mossy rocks and trees, Cbesbnnt, Archer ; Hook. 

 Fl. Tasm. 



4. Heterodea, Nyl. 



Tballus laciniate, sub-corneous and fragile wben dry, the 

 under surface tomentose, with cyplielloid spaces. Apotbecia 

 marginal, biatorine. Spores 8, simple, ellipsoid. 



6. H. Muelkri, Hnipe. (Nyl.) = Sticia Miiellert, Hrap. = 

 S. cetrarioides, Bab. = Platysma Muelkri, Nyl., flavido 

 glaucescentj passim rufo-fuscescent, vivid green when fresh, 

 and moist, orbicular, 2 inches wide, smooth, sublacunose, 

 rigescent, lineari laciniate, lacinise sinuato multifid, the margin 

 curved downwards, the apices broader, cvenato incised, sub^ 

 ascending, underneath fuscous, sub-spongiose, with black 

 marginal fibrils, and here and there cyj^helloid whitish bare 

 spaces. Apothecia carneo rufous, sub-pruinose, strictly 

 marginal, 2 to 2| inches wide, biatorine or cepbaloid. Spores 

 simple, fusiform! ellipsoid, -009 to -01 x '0025 to -003 mm. 



Hab. on earth. Hook. Fl. Tasm.; Hmpe.; Nyl. The upper 

 surface of the tballus, which when fresh and moist looks like 

 a hepatica lying loose on the earth, shrinks when dry, so 

 that the whole plant curls ujd, showing only the fuscous 

 tomentose under surface, and bears some resemblance to dried 

 sheep dung. 



5. Stictina, Nyl. 



Thallus membranaceo lobate or lobato laciniate, the under 

 surface rbizinose, and wdth cyiDhellse, either true and urceolate 

 or pseudo and pulverulent. Apothecia lecanorine. Spores 

 fusiform, 1 to 3 rarely pluri-septate. Gonidial stratum of 

 dark blue granula gonima. 



A. Pseudo cyphellcB yellow. 



1. S.crocata,Jj., lurido fuscescent, shining, broadly rotundato' 

 lobate, crenate, reticulato lacunose, reticulations and margins 

 usually bearing citrine soredia, under-surface fusco nigricant, 

 tomentose. Apothecia scattered, blackish ; margins crenate, 

 at length excluded. Spores 6 to 8, fuscescent, oblongol 

 fusiform, 1 septate, -02 to -032 x -009 to -01 mm. 



Hab. on earth, rocks, and trees. Brown, Cr.; Hook. L. J. 

 Eot.; everywhere, all collectors, Hook. Fl. Tasm.; Stuart y 

 Hmpe.; Krplh.; Mount Wellington, etc.; and Bastow, 

 Weymouth. 



2. S. carpoloma, Del., glaucescenti pallescent or flavido 

 cinereo paUid, 3 to 5 inches wide, somewhat rigid, ahmoetl 



