420 PUNGUS-FLOBA. 



Tribe 18. Acrothecieae. Sacc. 

 SPONDYLOCLADIUM. Martins, (fig. 5, p. 397.) 



Sterile lyphae creeping, septate, fertile erect, simple, 

 rather rigid. Conidia spindle-shaped, or pear-shaped, 

 coloured, generally 2-septate, prodnced in distant -whorls on 

 the hyphae. 



Spondylocladium, Martins, Erl., p. 355 ; Sacc, SylL, iv. 

 p. 482. 



-Distinguished by the verticillate arrangement of the 

 conidia. 



Spondylocladium fumosum. Martius. (fig. 5, 

 p. 397.) 



Forming effused blackish patches, creeping mycelium 

 septate, fertile erect, septate, not branched, tapering up- 

 wards ; conidia brownish-olive, 2-septate, pear-shaped or 

 broadly spindle-shaped, in 2-4 verticils of 3-6 conidia each, 

 produced towards the apex of the hypha, a single conidium 

 usually terminates the hypha, 21-25 X 10-12 /j.. 

 . . S^ondyioeladium fumosum, Martius, Erl., p. 355 ; Berk. & 

 Broome, Ann. Nat. Hist.j n. 1314, t. xviii, f. 7 (1870); Sacc, 

 Syll., iv; n. 2319. 



On rotten branches. 



ACROTHECIUM. Preuss. (fig. 22, p. 397.) 



Sterile or vegetative hypha,e creeping, fertile erect, un- 

 branched; conidia septate, coloured or almost colourless, 

 springing- in a cluster from the tip of the hypha. 



Acrothecium, Preuss, P. Hoyersw., n. 99, emended by 

 Saccardo in Miohelia, p. 29 (not of Corda). Sacc, Syll., iv. 

 p. 483. 



Acrothecium delicatulum. B. & Br. 



Effused, blackish, fertile hyphae erect, septate, slighlty 

 bulbous at the base, rarely forked at the tip ; conidia colour- 

 less, springing just below the tip of the hypha, cylindrical. 



