478 . FUNGUS-FLOEA. 



Bactridium pezizae, B. & Br., Ann. Nat. Hist,, n. 816, t. ix. 

 f. 3; Sacc, Syll,, iv.n. 3276. 

 On the hymenium of a Peziza. 



Bactridium atrovirens. Berk. 



Hyphae forked, pellucid; conidia lanceolate, 1— 2-septate, 

 dingy green, forming a minutely granular olive-green 

 stratum. 



Bactridium atrovirens. Berk., Engl. Flora, vol. v. p. 350 ; 

 Sacc, Syll., iv. n. 3278. 



On trunks. There is no specimen in the Berkeley 

 herbarium. 



PUSAEIUM. Link. (figs. 14 and 27, p. 442.) 



Sporodochium pulvinate or rather effused ; conidia fusoid or 

 falcate, typically pluriseptate at maturity, borne at the tips 

 of branched conidiophores. 



Fusarium, Link, Berl. Mag., iii. p. 10 (1809), emended by 

 Sacc, Mich., ii. p. 35 ; Sacc, Syll., iv. p. 694. 



ci'y * -^ . }• of many old authors. 

 iselenosponum J ■' 



Often occurring as more or less effused, orange crusts that 



are rather gelatinous when moist. 



L EU-FUSAEIUM. Conidia fusoid, falcate, or cylindrical, 

 one or many-septate. 



Fusarium lateritium. Nees. 



Sporodochium variable, thick, erumpent, deep brick-red!^; 

 conidia arcuate, acute at both ends, 39-40 X 4-5 fji., 4-5- 

 septate, borne on oppositely branched conidiophores. 



Fusarium lateritium, Nees, Syst., f. 26; Sacc, Syll., iv. n. 

 3283. 



On dead branches, galls, &c. 



Fusarium sarcochroum. Sacc. 

 Sporodochium erumpent, J-| mm. diameter, fleshy, rather 

 convex, compact, at first white, then flesh-colour or reddish ; 

 hyphae densely fasciculate, ascending, septate, repeatedly 



