BY JOHtf SHIRLEY, B.SC. 



191 



hyaline ; spores 8, -032— 045 x -Oil— -012 m.tn., at both 

 ends rotundate-obtuse, straight or often distinctly curved 

 like a bean seed, hyaline and murally divided, transversely 

 12 — 16 septate, loculi longitudinally 2 — 3 locellate. 

 Hab. — Toowoomba, on bark. 



Syn. — T. expansnm, O.K. (not Phaaotreraa expansum, CJC) 



4. T. (Ascidium) depressum, Mnt. (Shirley.) 



Thallas crustaceous, albescent or flavescent or sordid, surface 

 very uneven, closely crowded with turgid mamillate pro- 

 minences, rimose-areolate. Apothecia numerous, one or 

 L. more in each verruca ; ostiola -15 m.m., circular, aperient, 

 encircling thalline margin white ; spores 1 — 2, pale greenish, 

 with iodine a pale blue, 15 — 17 locular, the loculi irregularly 

 and closely murally divided ; paraphyses distinct, with iodine 

 not tinted. 



Hab. — On bark, 3-mile Scrub. 



5. T. (Ascidium) profundum. Stirton. (Shirley.) 



Thallus crustaceous, white or whitish, smooth, thin, uneven; 

 apothecia deeply buried in lower cortical substratum ; peri- 

 dium black, entire or almost entire, ellipsoid, with narrow 

 elongated neck ; ostiola with firm pale round apeiture, 

 Sn. diameter about *15 m.m., columella black ; thecal monos- 

 porous ; spor< s colourless or pale yellow, spindle-shaped or 

 cylindrico-fusiform, murally divided, "27 — -4-4 x -032 — -045 

 m.m., with iodine brcwnish-blue ; paraphyses wry slender, 

 crowded. 



Hab. — On bark, near Brisbane. 



Dr. Stirton, Proc. Roy. Soc. Vict., Sept., 1880. 



6. T. (Ascidium), monosporum, C.K. ( Shirley. ) 



Thallus crustaceous, pallid glaucous, smooth, rather thin, 

 uneven, not papillate, sparingly rimose, the areohe seldom 

 completely severed on all faces. Apothecia outwardly 

 concolorous, 1-2 or many in each areola, slightly raised* 

 when mature defined by peripheral fissure, seldom confluents 



