290 
HANDBOOK OP 
* Stroma branched, 
1551. Rhopalopsis cetrarioides. Well. # Carr. Fung. 
Ang., p. 282.=Kretschmaria cetrarioides. Sacc. St/ll. 1489. 
Stroma decumbent, laciniate, resembling in habit and mode of 
growth Cetraria tristis, lacinia dilated, multifid, passing into 
perithecia at the apices ; perithecia densely aggregated, sometimes 
compressed, irregular ; sporidia lanceolate, continuous, brown. 
On trunks. Queensland. 
Stroma simple, 
1552. Rhopalopsis angolense. Well. Sf Curr. Ang. Fung, 
p. 282, t. 17,./: 19. =Kretschmaria angolense. Sacc. Syll. 1519. 
Clavate, black, bright and shining ; perithecia densely aggregated, 
ostiola minute, a little prominent ; sporidia dark brown, ovate or 
slightly curved, 12-15 /along. 
On rotting bark. Queensland. (Fig. 199.) 
Genus 14. USTULINA. Tul. 
Stroma superficial, somewhat effused, rather thick, determinate ; 
hymenium bearing conidia, pulverulent, whitish, becoming cinereous, 
then rigid, carbonaceous, black, naked, often becoming hollow ; 
perithecia immersed, large, horny ; asci pedicellate ; sporidia 
ovoid-fusiform, continuous, sooty-brown. 
1553. Ustulina vulgaris. Tul. Sel. Fung. Carp., t. m., f. 
1-6. Sacc. Syll. 1328. 
Stroma superficial, rather effused, repand, pulvinate, large, thick, 
undulated, at length quite black, carbonaceous, fragile, hollow 
within ; perithecia large, ovate, densely crowded, peripherical, 
with a prominent ostiolum ; asci cylindrical, 250x8-10 p ; 
sporidia fusiform, unequal sided, curved, turning black, 32-40 X 
8-13 p. 
On branches. Queensland. (Fig. 200.) 
Genus 15. DTUMMULARIA. Tul. 
Stroma orbicular, cup-shaped, limited .on the matrix by a black 
line, blackish, marginate, the margin almost sterile; perithecia 
peripherical, immersed in the stroma, large, numerous, black ; asci 
cylindrical ; sporidia subellipsoid, continuous, brown. 
a. Disc concave. 
1554. Nummularia Baileyi. It. <j- Br. Cooke Grev. xn., 6. 
Sacc. Syll. 6359. 
Erumpent, orbicular, cup-shaped, margin thickened (4-7 m.m. 
diam.), elevated, disc rough with the prominent ostiola; perithecia 
elliptical-ovate, immersed in the centre ; asci cylindrical ; sporidia 
elliptic, brown, variable, 13-20 p long. 
On wood. Queensland. 
