145 



nigro-fusous, depressus, nudus ; sporae in ascis numerosae, 4-1- — 6 

 /x longae, gioboso-ellipsoideae. 



Ailinis //. australiensi, sed squaumlae aliae. Habitu bene 

 acoedit ad Placodium castanetiin, Korb., sed gonidia sunt 

 absolute alia. 



S.A. Ad terraui, Everard Range. 



Trib. Placodieae. 



24. Ampliiloma murorum, var. miniatum. Korb. Syst., p. 111. 



S.A. Saxicola, prope Mount Watson. 



— — — — var. obliteratuoi, Korb Syst., p. 111. 

 W.A. Saxicola, Fraser Range. 



— — — — var. areolatum, J. Mill). 



Tliallus crebre subareolatus, areolae periphericae hinc inde 

 obsolete radiantes, turgidae, subtiliter crebre verruculosae,. 

 ochraceo-aurantiaoae. Sporae ut in specie. Quasi forma oblitera 

 varietatis aurantiacae. Saxicola. 



S.A. ISIear Arcoeillinna Well. 



25. Placodium fulgens, var. bracteatuni (Ach.), J. MiilL, Licli. 



Pers. n. 14. 

 S.A. Everard Range. 



26. Placodium cervinum, var. percaenum (Schaer.), J. Miill., 



Lich. Pers. n. 23 ; calcicola. 

 S.A. Foot of Everard Range. W.A. Eraser Range. 



27. Placodium citrinum, J. Miill. , L.B., n. 1414. 



Urceolaria citrina, Tayl. in Hook Journl. of Bot., 1847, 



p. 158. 

 Leccmora Xanthophana, JSTyl. L. And. Boliv., p. 379. 

 Lichen in Australia centrali sicciore vulgaris, at rarius bene 

 evolutus, habitu, magnitudine squamularum et colore flaviore aut 

 magis virenti eximie varians, caeterum ad saxa et ad terram 

 crescens. 



S.A. Near Ai'coeillinna Well, Everard Ranges, and various 

 places in the vicinity. 



Trib. Psoreae. 



Lichenos., t. 



43, figs. 1-3 : Mass. 



28. Psora decipiens, Hoffni., 



Ric. p. 91 ; ad terram. 

 S.A. Everard Range. W.A. Victoria Desert (Camp 46). 



29. Psora jjsammophila, J. Miiller. 



Thalli squamae \ — 2 mm latae, glauco-virentes, mutua pres- 

 sione demum angulosae, caeterum orbiculares, planae, undulatim, 

 gibboso-inaequales, undique adnatae ; apothecia \ — 1 mm lata, 

 nigra, planoconvexa, primum tenuissime marginata, mox dein 

 immarginata, saepe demum varie in majora composita-confluentia, 



