486 FUXGUS-FLOEA. 



soicl or cylindrical, curved, pellucid, obsoletely septate, (rarely 

 elliptical and one-celled). Hypliae fasciculate, simple or 

 branclied. 



Pionnotrs, Fries, Sumro. Yeg., p. 481 ; Sacc, SylL, iv. 

 p. 725. 



Perhaps too closely allied to tlie genus Fiisanum, and dis- 

 tinguished principally by the broadly effused, gelatinous 

 sj^orodochium that becomes rigid when dry. 



Pionnotes uda. Sacc. 



Broadly effused, tremelloid, dingy orange ; hyphae decum- 

 bent, sparingly branched, septate; conidia elongated, curved, 

 3-5 septate, acute at both ends, orange, 40-50 x 5-6 fx. 



Pionotes uda, Sacc, SylL, iv. n. 3468. 



Fusisporium udum, B. & Br., Ann. Nat. Hist., n. 245, t. xiv 

 f. 28. 



On trunks. 



Pionnotes Biasolettiana. Corda. 



Irregular or effused, fleshy-tremelloid, thick, reddish- 

 orange; stroma floccose ; hyphae septate, simple or sparingly 

 branched, fasciculate; conidial stratum rather thick, gelati- 

 nous, orange-red, viscid ; conidia fusiform, acute at both 

 ends, slightly curved, becoming 2-5-septate, 50-60 X 4-6 fx. 



Pionotes Biasolettiana, Sacc, SylL, n. 3464. 



Fusarium Biasolettianum, Corda. 



On rose branches. 



MICROCERA. Desm. 



Sporodochium conical or pulvinate, slender ; conidia nar- 

 rowly falciform, many-septate, borne at the tips of filiform 

 conidiophores. 



Microcera, Desm., Ann. Sci. Xat., 1848, p. 359 ; Sacc, SylL, 

 iv. p. 727. 



Closely allied to Fusarium, but distinguished by the small, 

 horn-like sporodochium. 



Microcera coccophila. Desm. 

 Minute, somewhat caespitose, conical or horn-shaped, 

 simple, rosy, base with a whitish membranaceous sheath; 



