178 T ASM AN IAN LICHENS 



If mm. wide, black witliin, receptacle rather elev&^ted and 

 margin crenulate. Spores -Oil to "02 x '007 to 009 -mm. 



Hab. B. V. M., Vic. Nat., 1887, Oct. Very doubtful. P.pida 

 is a strictly tropical and sub-tropical lichen. It has not been 

 foimd in Victoria. 



12. Umblicaeia. 



Thallus membranaceous, nionophy lions, umblically affixed. 

 Apothecia lecideine, complicato compound or gyrose. Para- 

 physes distinct. Spermatia slender, shortly cylindrical, 

 obtuse at both apices. 



1. U. cylindrica, L., cinerascent or dull greenish brown, 

 thickish, unequally lobed, margins nigro fibrilloso ciliate, 

 ■upper surface rugulose, under surface pallescent, more or less 

 fibrillose. Med. K — C — . Apothecia concentrico gyrose, 

 podicellate. Spores 8, colourless, ellipsoid, simple, "01 to '016 

 X -006 to -008 mni. 



Hab. on sub-alpine rocks, summit Mount Wellington (and 

 Brown, Cr.). 



F. jiibata^ Wilson, black, filiform, csespitose, elongate, en- 

 tangled. 



Hab. with type, Mount Wellington. 



2. U. atro-prumosa^ Scbser, var. dnerascefis, Ach., fusco- 

 nigricant somewhat cinerascent, smooth, or at the centre very 

 thinly rimuloso areolate, under surface fuligineo nigricant, or, 

 especially towards the margin, cinereous and shining. Apo- 

 thecia somewhat prominent, simply lecideine, moderate. 

 Spores simple, ellipsoid, often bean-shaped, -Oil to -016 x '006 

 to -009 mm. 



Hab. on rocks at summit of Mount Wellington. Associated 

 with U. cylindrica, but on more exposed parts of the rocks. 



3. U. prohoscidea, L., cinereo nigrescent, thin, crenate, 

 slightly lobed, pale pruinose, grey in the centre, where it is 

 marked with elevated reticulated veins, the other portions 

 rngose, under surface smooth, cinereo pallescent, Med. K — 

 C red. Apothecia gyroso iDlicate. Spores 8, colourless, 

 ellipsoid, simple. 



Hab. Mount Wellington, Brown, Cr. 



