508 6. SARCOTHALAMEJE. Pl.celLaph. 
Be Sporidia deliquescent ; thecae ivith a mouth or r up t ile, 
fixed . Spherideae. 
Thallus clublike, succulent; 
thecae peripherical, horizontal Xylaria. 138. 
Thallus clublike, corky; 
thecae, peripherical, horizontal Hypoxylon! 139. 
Thallus hemispherical, sessile; 
thecae peripherical, horizontal .. Periphorostoma. 140. 
Thallus cupshape, stipitate ; 
thecae vertical, immersed , Poronia. 141. 
Thallus spreading, sessile; 
thecae vertical, immersed Neman ia. 142. 
Thallus spreading, irregular; 
thecae clustered, naked Cucurbitaria. 143. 
Thallus spreading; thecae immersed 
in the bark; mouths connivent Engizostoma. 144. 
Thallus 0 ; thecae immersed, 
connivent; mouths erumpent Circinostoma. 145. 
Thallus 0 ; thecae immersed, 
upright; mouths erumpent Exormatostoma. 146. 
Thallus 0; thecae naked; 
mouths not discernible Astoma. 147. 
Thallus 0 ; thecae naked ; 
mouths conspicuous Sphteria. 148. 
C. Sporidia gelatinous ; thecae globular , projectile; 
thallus cupshaped. Theleobilideae. 
Thecae when mature projected Thelebolus. 146. 
D. Sporidia threadlike , waxy, persisting ; thecae fixed, 
with a mouth . Nemasporidese. 
Sporidia tendril-like Nemaspora. 147. 
A. Hysterideje. Thallus 0; thecae long or round; 
mouth opening by one or more slits; sporidia fixed, up- 
right; sporae oval. 
I. 135. ACTXDIUM. Fries. Actidium . 
Thallus 0 ; thecae round, bursting through the epidermis 
of plants; mouth with many radiating slits. 
