21 
P, (s. Pertusz) plicatula, Mull. Arg. Thallus straw-yellow, 
thin, ape and smooth, shining, usually rimose and plicate-rugose; 
verrucae , hemisphe rical, base constricted, apex truncate, centre 
irregularly v undue or plicate- depressed, with many ostiola; ostiola 
small, ‘03-08 mm., neither impressed nor emergent, blackish ; spores 
2, lobgutelinear, 110 x 35 He within smooth. 
: On bark, Knight, No. 4 
P. os. Pertuss) ateink: Mull. Arg. Thallus white, very thin, 
smooth; verruce separate, ellipsoid- -hemispherical, 13 x°8 mm., regular 
and smooth, base not constricted, obtuse, not at all eescaits above, in the 
say pierced by 2-5 subconfluent ostiola; ostiola blackened, small 
m part large and soutlueh t, not emergent ; spores 4, 85 x 82 By 
strongly plicate-costulate 
ab.: On dead wood, aoatbi Shirley, No. 1754, pro p. 
P. (s. ee ate). naibnieh tesa Mull. Arg. Thallus argilla- 
ceo-albid lg inu parallel-rugulose ; 
ce ds stine ct or _geninate semis in small pyramids, ae 
r 
r x disk, + 
Wide ; spore a8. uniserial, 70 x 25 p, within finely ~pieatescomvilite 
b. : On bark, Toswoontba, Hartmann. 
P. (s. Depressi) leiocarpella, Mull. Arg. Thallus fusces- 
cin 
eri 
“nstricted, vertex broadly truncate, centre broadly but rege 
€presso-concave, the depression broadly and obtusely marginate 
whole concolorous with the thallus, ar levignte, 3-5 fruited ; eae 
Sheed confluent ; j bt 4-6, 70 x 32 », within smooth. 
at On ae Seiaharis rfocioonibe, akg? Be 1870. hc oikia 
8. Leioplace) leucoxantha, Mull. dry. Tha eat 
i cant, moderate, continuo, = length nightly rimulose, sGietace 
haa > Verruce 1 hemispherical, base limitate, apex not 
'vonigesa saooth or "ebay ihe concolorous ; ostiola 1-4, 
ieee approximate, neither prominent nor impressed ; spores in one 
» 60 x 27 », within smooth. 
ae On rocks, Thursday Island, Knight, No. 2 LP 
“eloplacz) amblyogona Mull od ate omen 
y rit eee) Sones superiices ee a 
a aaa i vex, base ; tricted, 
a irregularly 6-8 angular, not sarnauae lecrate-puneta e, an 
i: sg Whiter than the thallus ; a sulphur-coloured, not emer- 
3 gee 1-2 ovate 8,70 x 32 », within smooth. 
* On bar oomba, mae 
+ 
