342 FUXGUS-FLOKA. 



Dactijlium deudroides, Fr., S. M., iii. p. 413; Sacc, S}'!!,, 

 n. 916. 



On various decaying Agarics and on the adjoining moss, &c. 



MUCROSPOEIUM. Preuss. (Sg. 3, p. 313.) 



Sterile hypliae, septate, creeping fertile erect, verticil- 

 lately branched, branclilets with a cluster of spicules at the 

 tip that bear a head of colourless, septate conidia. 



Mucros])orium, Preuss, F. Hoyersvv., n. 97 ; Sacc, Syll., iv. 

 p. 190. 



Distinguished from. Dacf i/li urn hj the tips of the branchlets 

 bearing a head of spores instead of a single one as in tlie 

 last-named genus. 



Mucrosporium sphaerocephalum. Sacc. (fig. 3, 

 p. 313.) 



Forming effused, thin, persistently white patches ; sterile 

 hyphae creeping, fertile erect, septate, towards the top mure 

 or less regularly branched in threes ; branchlets thickened 

 at the base and tapering upwards, bearing at the tip u 

 cluster of colourless, oblong, 3-septate spores, furnished 

 with a short pedicel at the base, 20-26 X ♦i-S fx. 



Macrosporium sjphaeroceplialiim^ Sacc, Syll., n. 923. 



Dactylium sphaerocephalum. Berk., Ann. Nat. Hist., vol. vi 

 n. 233, t. 14, f. 27. 



On dead wood, branches, &c. 



DACTYLELLA. Grove, (fig. 25, p. 274.) 



Mucedinous, saprophytic. Fertile hyphae sub<*rect, 

 simple; conidia elongated, pluriseptate, terminal, solitary. 



Dactylella, Grove, Journ. Bot. 1884, p. 199 ; Sacc, Syll., 

 iv. p. 193. 



Allied to DactyUuyn, but differing in the solitary spores. 

 Distinguished from Firicularia more especially by the sapro- 

 phytic habit of the species. 



Dactylella minuta. Grove. 

 Scattered, white ; fertile hyphae cylindrical, slender, 

 hyaline, unbranched, 120-150 /x. high, apex passing into the 



