164 Transactions British Mycological Society. 
a fimbriate margin; conidiophores short, stout, once or twice 
branched, segments slightly inflated; conidia hyaline, cylindric, 
ends rounded, one-septate, not constricted, 12-18 x I*5-2°5 p. 
Distribution. Ceylon. 
FUSARIUM. 
Fusarium epicoccum McAlp., Fungus diseases of Citrus trees 
in Australia (1899); Microcera Parlatoriae Trabut, Bull. Agric. 
Alger et Tunisie, 1907, p. 32; Microcera curta Sacc., Ann. Myc., 
Vu, p. 437 (1909); Muicrocera Tonduzi Pat., Bull. Soc. Myc. 
France, XXVIII (1912), p. 142; Fusarium Aspidiots Sawada, Bot. 
Mag., Tokyo, XXVIII, p. 312 (1914). 
Sporodochium flattened pulvinate or discoid, up to 0-75 mm. 
diameter, pale red, sometimes seated on a white byssoid stroma, 
parenchymatous at the base; conidiophores simple or repeatedly 
branched, up to 50p long; conidia hyaline, stout, obtuse, up 
to three-septate, slightly curved, or curved at one end, or 
strongly curved, 16-25 x 2°5-4p. 
Distribution. Australia; Japan; Algeria; Germany; Costa 
Rica. 
Fusarium Aleyrodis Petch, n.sp.; Microcera sp., Fawcett, 
Fungi parasitic on Aleyrodes Citri (1908). 
Stroma white, thin, byssoid; conidiophores scattered or clus- 
tered, up to 100 long, with distant, solitary lateral branches; 
conidia cylindric, straight or slightly curved, subcymbiform, 
acute, three- to four-septate, 16-50 x 4-6. 
Distribution. Florida. 
PSEUDOMICROCERA cen. Nov. 
Sporodochia conical; base ovoid, cylindric, or pulvinate, 
parenchymatous, or composed of interwoven irregular hyphae, 
surmounted by a discoid layer of conidiophores with a marginal 
zone of long hyphae, which are united into a continuous sheet, 
or into fascicles of varying breadth which are connivent at the 
apex; conidiophores branched; conidia elongated, narrow, 
curved, septate, hyaline. 
Pseudomicrocera Henningsii (Koord.) Petch; Aschersonia 
Henningsit Koord., Bot. Untersuch. (1907), p. 213; Microcera 
Fujtkuroi Miyabe and Sawada, Jour. Coll. Agric., Tohuku Imp. 
Univ., Sapporo, v, pt. 3 (March 1913), pp. 73-90; Microcera 
Merrill Syd., Ann. Myc., x11, p. 576 (1914); Microcera Hen- 
ningsi (Koord.) Petch., Ann. Perad., v, p. 533 (1914). 
The conidial stage of Nectria diploa B. and C.; see p. 157. 
DISCOFUSARIUM ceN. Nov. 
: 
Sporodochium discoid, sessile or shortly stalked, the external 
layers composed of parallel hyphae continuous from the base, 
