Octaviania 



HYMEXOGASTRACE/E 



487 



twigs and leaves. Oct. Diam. \\ in. Changing to turquoise-blue and 

 black where bruised. Commonly attacked by a bright orange mould, 

 Sepedonhim ckrysosfier/uiim. 



Fig 140. — A, b, Octaviania astcrosperma Vitt., entire at different ages, and in section. 

 Natural size, c, basidium and spores. X 500. 



2100. 0. Stephensii Tul. (after H. O. Stephens) a b c. 



Irregularly globose or nodular-oblong, usually irregular in shape, 

 base rugoso-plicate, cribrose, furnished with branched fibrous 

 root-like growths. Pe. continuous, pale red to rufous, clouded 

 darker. Gl. white then pale salmon, cells small, pale sienna. 



Odour disagreeable like 1280. About one-quarter of the plant is usually seen 

 above ground, but often wholly superficial, covered with dead leaves, etc. 

 Woods under lime-trees with Nostoc. Aug.-Dec. Diam. i£ in. Exuding 

 a white aromatic milky juice. 



2101. 0. eompaeta Tul. (from the compact substance) a b c. 

 Irregularly subglobose, minutely cottony. Pe. continuous or 



slightly granular, white to ochreous-white. Gl. salmon-white, 

 cells pale salmon-buff. 



Gregarious. Wholly or half-buried, involved in rooting masses of white Myc. 

 Amongst roots, grass, earth and mycelium. Oct.-Nov. Diam. f in. 



CXXIV. MELAN0GASTER Corda. 

 (From the black interior; Gr. me/as, black, gaster, the belly.) 



Peridium without a distinct base, branched fibres springing from 

 every part of its surface. Cells of gleba more or less rounded, large 

 in the centre, smaller towards the periphery, walls of cells thick, 



