232 
HANDBOOK OF 
involute when dry, externally whitish and shining, internally 
dingy-umber; inner peridiutn globose c.m. diam.), sessile, 
smooth, pallid ; mouth torn, dentate ; capillitium delicate, hyaline 
(4-6 pdiam.). Spores globose, smooth, pale brown, pellucid (4 p 
diam.). 
On the ground. Victoria. 
Genus 23. DIPLODERMA. Link. Diss. it., 44. 
Peridium double, outer peridium fibrous, becoming woody, 
closed ; inner peridium distinct, cartilaginous ; central nucleus 
woody : capillitium radiating. 
1272. Diploderma glaucum. Cke. cf- Mass. Grev. 1887,99. 
iS’acc. Si/ll. vn., 269. 
Subglobose, glaucous grey ; outer peridium fragile, soon falling 
away ; inner peridium thin, becoming yellowish, fragile when dry, 
even, entirely distinct from the outer peridium ; capillitium 
simple, contorted, interwoven ; spores glaucous, elliptical, smooth, 
10x5 p. 
On the ground. Scam ander River. (Pig. 117.) 
1273. Diploderma suberosum. Cke. <j- Mass. Grev. 1887, 
100. Sacc. St/ll. vn., 270. 
Depressedly globose, attenuated below into a short stem ; outer 
peridium corky, persistent, ochraceous ; inner peridium carti- 
laginous, turning black; capillitium simple, straight, radiating, 
hyaline ; spores ochraceous, globose, smooth, 3-4 p diam. 
On the ground. Queensland. 
1274. Diploderma pach.yth.rix. Cke. 4" Mass. Grev. 
xvm., 50. 
Subglobose (2 c.m. diam.). Outer peridium thin, fragile, 
cinereous ; inner peridium subcartilaginous, thin, persistent, pallid ; 
capillitium of thick parallel fibres, composed of thick-walled 
hyphai, agglutinated in bundles, and radiating from a central 
woody nucleus to the inner wall of the peridium. Spores pale 
ochraceous, elliptical, minutely warted (9-10x4-5 p). 
In the ground. Victoria. 
1275. Diploderma alba. Cke. <J • Mass. Grev. xvi., 2. 
Subglobose (about 1 in. diam.), pallid, external peridium thin, 
persistent, internal peridium whitish, cartilaginous. Capillitium 
simple, radiating, interwoven, central nucleus corky. Spores 
globose, even, hyaline, 5 p diam. 
In the ground. Victoria. 
1276. Diploderma fumosa. Cke. (J- Mass. Grev. xvi., 2. 
Globose, depressed, white (about 1 in. diam.). External peri- 
dium fibrous; internal peridium pallid, fragile; capillitium 
radiating, interwoven, hyaline, attenuated ; spores globose, 
echinulate, smoke-coloured, 6-8 p diam. 
In the ground. Victoria. N.S. Wales. 
