342 FUXGUS-FLOBA. 



Dac.tylium dendroides, Fr., S. M., iii. p. 413; Sacc., Syll., 

 n. 916. 



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



MUCKOSPORIUM. Preuss. (fig. 3, p. 313.) 



Sterile hyphae, septate, creeping fertile erect, verticil- 

 lately branched, brauchlets with a cluster of spicules at the 

 tip that bear a head of colourless, septate conidia. 



Mucrosporium, Preuss, F. Hovers w., n. 97 ; Sacc., Syll., iv. 

 p. 190. 



Distinguished from Dactylium by the tips of the branchlets 

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

 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 nioro 

 or less regularly branched in threes ; branchlets thickened 

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

 cluster of colourless, oblong, 3 septate spores, furnished 

 with a short pedicel at the base, 20-26 x H-8 p.. 



Macrosporium sphaerocephalum, Sacc., Syll., n. 923. 



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

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



On dead wood, branches, &c. 



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



Mucedinous, saprophytic. Fertile hyphae subject, 

 simple; conidia elongated, pluriseptate, terminal, solitary. 



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

 iv. p. 193. 



Allied to Dactylium, but differing in the solitary spores. 

 Distinguished from Piricularia more especially by the sapro- 

 phytic habit of the species. 



Dactylella minuta. Grove. 



Scattered, white ; fertile hyphae cylindrical, slender, 

 hyaline, unbranched, 120-150 /* high, apex passing into tho 



