BY JOHN SHIBLfcY, h SC 



131 



M. pallid and nude ; with thin, pallid or albescent, and sub- 

 crenate margin ; epithecium olive-brovvn ; hypothecium 

 hyaline ; spores -007 — "01 x -005 — -006 m.m. 

 Hab — Toowoomba, on rocks. 



Lich. Beit, von Dr. Muller. Sep.— Ab. aus. Flora XVI. 2. 



5. L. umbrina, Ehrb. 



Thallus nearly obliterated, showing patches of the olive- 

 brown hypothallus, diffuse : apothecia fuscous or fusco- 

 nigricant, small, cresio-suffused, thalline margin white, sub- 

 crenulate ; spores variable, simple or with one or more 

 Sn. nuclei or uniseptate, margined in maturity, ellipsoid or 

 oblong or pyriform or oval, -006— -008 x -002— -004 m.m. ; 

 paraphyses articulate. 



Hab.— On rocks, Mt. Perry. 



6. L. pulverata, Stirton. 



Thallus pallid or pale blue-grey, thin, with a fine areolate 

 network, here and there minutely granular (K — C — ) ; 

 apothecia sessile (width 8 — 1*6 m.m.), white or pale golden 

 yellow, thickly white frosted, somewhat concave then flat, 

 surrounded by a rather prominent crenulate excipulum ; 

 Sn. epithecium C — ; spores 8, colourless, ellipsoid, simple, 

 •009 — "012 x *006 — "0075 m.m. ; paraphyses slender, with 

 apices citrine tinged ; hypothecium colourless. Hym. gel. 

 with I bluish then dull. This lichen seems to lie between 

 L. albella and L. galactina. 



Eab. — Brisbane, on bark. 



Dr. Stirton in Proc. Rov. Soc. Vict., Sept., 1880. 



7. L. conizasa, Nyl. (Ach). 



Thallus albido-flavescent, finely granulate-pulverulent ; 

 apothecia pale or carneo-pallid, thalline margin elevate, 

 M subentire, pulverulent ; spo»es 8, colourless, ellipsoid, simple, 

 •013 x -001 ; hypothecium whitish ; paraphyses separating 

 with difficulty, slender, apices brownish. 



Syn. — L. varia v. conizasa Ach. 



