GEAPHiu^r. 457 



Graphiuin nigrum. Sacc. 

 Stem short, scarcely 1 mm. liigb, blackish ; head ovate or 

 subglobose ; conidia subcyliiidrical, minute, numerous. 

 Graphium nigrum, Sacc, Syll., iv. n. 2931. 

 Stilbum nigrum, Berk., Engl. FL, v. p. 330. 

 On rotten stems of Eriophorus. 



Graphium graminum. Cke. & Mass. 



Scattered, minute, dispersed over the leaves and culms, 

 grey ; stems erect, composed of delicate septate threads, 

 almost colourless when separated; conidia elliptical, con- 

 tinuous, hyaline, 6 X 3-4 /x. 



Graphium graminum, Cke. & Mass., Grev., xvi. p. 11. 



On Gijnerium. 



Graphium penicilloides. Corda. 



Stems scattered, black, short, 100-130 jx high, thick, 

 obtusely clavate above, sometimes swollen below, composed 

 of fasciculate hyphae, paler upwards ; conidia acrogenous, 

 linear, hyaline, 4-5 X 1*5 /x., forming a whitish head. 



Graphium penicilloides, Corda, Icon. Fung., i. p. 18, t. 5, 

 f. 251 ; Sacc, Syll., iv. n. 2895. 



On bark of sycamore, poplar, &c. 



II. CHROMOCEPHALUM. Head hrighthj coloured. 



Graphium anomalum. Sacc 



Minute, hardly 1 line high; head subglobose, yellow; 

 stem black, yellow upwards, generally even, sometimes 

 rather floccose at the base ; apex expanded, disciform, conidia 

 almost fusiform. 



Graphium anomalum, Sacc, Syll., iv. n. 2937. 



Stilbum anomalum. Berk., Mag. Zool. & Bot., n. 34, t. Ill, 

 f. 9. 



On dead branches. 



Graphium bicolor. Sacc. 



Exceedingly minute; head rounded, whitish, at length 

 becoming olive; stem rather firm, subulate, pallid, olive- 

 brown at the base. 



Graphium bicolor, Sacc, Syll., iv. n. 2943. 



