107 



Trib. Lecideeae. 



42. Biastenia ferruginea Massal. Sya, Lich. 

 ^)lasteniosp. p, 14; corticola, Frasers Range: Helms n. 6. 



43. Lecidea planata Mull. Arg. L. B. n. 1082; L. 

 plana Krplh. Austral n. 113, iiou Lahm; ad terrain prope 



Wallarigering: Helms n. 58; 72. 



44. Lecidea (s, Sarcogyne) pruinosa var. minuta; 



^arcogyne pruinosa v. minuta Mass. Sched. crit. n. 335; 



saxicola, Frasers Range: Helms (sine n**;. 



45. Buellia tetrapla (Nyl.) Mull. Arg. L. B. n. 1312; 

 corticola, Frasers Range: Helms n. 11. 



46. Buellia inturgescens Mull. Arg.; tliallus oehro- 

 ^euco-albiduSj crassiusculus, diffracto-areolatus; areolae priraum 

 -confertae, planae, angulosae^ dein subdistantes et turgido- 

 -convcxae, laeves sed opacae, apotheciis evolutis minores ; 



apotliecia aterrima, opaca, scssilia, ^J2—% mm lata, e piano 



et tenuiter mar^inato demum convexa et immarginata ; 



cpithecium caerulescenti-aut virenti-nigrum; hypothecium fus- 

 -cum; sporae S-nae^ 9 — 11 fi longae et circ. 6 f^t latae. — A 

 f)roxima abyssiulcai^jommoff?^ Bagl. recedit apotheciis magis 



superficialibus, nee ex immerse adpressis et epitliecio non 

 fusco. — Graniticola in desertis Australiae occid., ad expe- 



ditionis Camp. n. 14: Helms n. 81. 



47. Buellia spuria (Schaer.) Korb. Par. p. 183 ; 



saxicola, Australia occid,: Helms n. 68. 



48. Buellia subalbula Mull. Arg. Lich. Aegypt. n. 49; 

 Lecidea subalhula Nyl. Lich. Angol. p. 11 et Lich. Larbal. 

 n. 12; calcicola, Australia occid., Camp. 1 et 2: Helms n. 47. 



49. Buellia stellulata (Tayl.) Mudd Man. p. 216; 

 saxicola, West Australia: Plelras n. 84. 



50. Buellia desertorum Miill. Arg.; thallus argillaceo- 

 fuscus, crebre et minute diffracto-areolatus, areolae sub- 

 contiguae, angulosae, planae, medio concaviusculae, vix 

 apotheciis aequilatae ; apothecia ^/^ — ^\^ mm " lata, ^ sessilia, 

 juniora margine accessorio fugace pallido et tenuissimo mox 

 evanescente praedita, demum alte convexa; epithecium et 

 liypothecium tusca; sporae 8-nae, globoso-ellipsoideae, 7 — 9 ft 

 iongae et 6 — 7 ii^ latae, 2-loculares. — Juxta B. fuscellam 

 Mull. Arg. L. B. n. 1438 locanda est, a qua jam apotheciis 

 non adpressis mox elato-convexis et colore thalli differt. 



West 



Trib. Endopyrenieae. 



51. Endocarpon Helmsianum Miill. Arg., thalli 

 gquamae fuscescenti-argillaceae, 5 — 13 mm latae, suborbicu- 

 Jares, margine paullo angulosae aut leviter crenato-lobulatae, 



