BY JOHN SHIRLEY. B.SC. 



33 



mostly marginal, shortly stipitate, concave, externally villose 

 or pubescent ; disk flat, red-brown, at length vary concave; 

 margin inflexed then fimbriate-crenate ; spores broadly 

 ellipsoid, 1 — 3-septate, pale-brown ; paraphjses discrete, 

 delicate, fibform. 



Syn. — S. glabra Hook fils et Tayl. ; allied to S, scrobiculata 

 Ach. 



Hab — Toowoomba. 



S. physciospora, Nyl. 



Thallus pale, lurid-i'uscescent or glaucous, wide spread, 

 scrobiculate-foveolate, transversely reticulate ; lacinai linear, 

 sub-pmnatifid, intricate, retuse ; beneath pale or brown, 

 tomentum sometimes evanescent ; similar to S. fossulata 

 Duf., but smaller, at times darker, and with different spores. 

 Apothecia marginal ; disk red-brown, flat ; margin at length 

 excluded ; spores bi-locular or polari-bilocular, broadly 

 ellipsoid, brown, -022— -027 x -009— '01 m.m. Hym. gel. 

 blue with iodine. Speruiatia rod-shaped -003 x -0002 m.m., 

 seated on straight, indistinct, arthrosterigmata. 



Syn. — S. fossulata v. physciospora, Nyl 



S. dissimulata, Ay/. 



Thallus lurid glaucous or pale-cervine or pale lurid, some- 

 what flaccid, a little shining, scrobieulate unequal, linear 

 laciniate, more or less covered with minute squamules 

 giving it a sub-furfuraceous character ; margins of thalline 

 lobes much and irregularly laciniose or subisidioid ; apothrcia 

 brown, mediocre, receptacle granulate-rugulose, margin little 

 prominent, at length hidden ; spores -0225 — -0375 x -006 

 — -011 m.m., from broadly ellipsoid or oval-oblong to fusi- 

 form, 1 — 3 septate, olive or brown ; hym. gel. bright blue 

 w T ith iodine, paraphyses discrete, filiform, with yellow-brown 

 tuberculate heads. 



JSyn.—S. Richard:, Mnt. 



Hab. — Main Range near Toowoomba. 



