31 
Hab. : On decorticated Eucalyptus, Esk. 
TRACHYLIA, Fries. 
Thallus thin, granulose, or suble rose, 
black, sessile, cupuliform, open; sporal mass black. Spores nigricant 
or fuscous-black, ellipsoid or oblong, 1-septate, rarely pluriseptate. 
Spermatia oblong or ellipsoid.—Rev. W. A. Leighton, Lich. Fl. of 
Great Brit. No. 47. 
f. tricincta, Wilson (sp. nov.) Thallus fusco-cinerascent, effuse. 
Apothecia small, to ‘6 mm. diam., appressed, convex. Sporal m 
closely conglutinated. Spores fuscescent, ellipsoideo-oblong, ¢ 
stricted at the middle ‘008 x 004 mm., 1-septate, and further marked 
with a fuscous bar across each half of the nucleus. 
Hab.: On decorticated tree, Helidon. 
he spores bear a resemblance to those of the Trizosta section of Pyrgillus ; 
p 
but are narrower and constricted in the middle, and are at least apparently 
1-septate. 
PYRGILLUS, Nyl. : 
Thallus thin. Apothecia shortly conoid-cylindrical, base uniate, 
above truncate, for the most part hollow, and filled by the sporal mass, 
Which does not protrude beyond the margin. Spores 8 in ascus, 
3-septate, fusco-nigricant, “ Spermagonia with filiform arcuate 
Spermatia, : 
pe 
&xcipular margin albo-pruinose ; sporal mass not extending beyond the 
margin. Spores nigro-fuscescent, 0 
008 x -006 mm., 3-septate, rarely 5-septate and then larger. 
Ol On the bark of a tree near Landsborough, Queensland, Rev. F. RB. M. 
on, 
P. calici 
Apothecia black, but albo-suffused beneath and also on the receptacular 
Margin, conico-cylindrical, ‘3 mm. high, ‘3 mm. thick at the base, Im-_ 
wersed in thalline verruee. Sporal mass extended as far as “2 mm. 
high, Thee clavate, only seen ‘containing young spores. Spores 
Hg long or spheeroideo-oblong, 0025 to “005 x 002 to 003 mm., olivaceo- 
*cescent, 1-septate, containing a locule in each cell. 
Hab. : On decorticated trees, Killarney, Queensland, Rev. F. R. M. Wilson. 
_ Thisplont Supplies a link between the genera Zrachylia and Pyrgillus. 
