334 FUNGUS-FLORA. 



Nematogonium aureum. Sacc. ' 



Fertile hyphae erect, short, club-shaped, cousisting of 

 about four joints ; conidia elliptical, golden-yellow, sparsely 

 scattered. 



Nematogonium aureum, Sacc., Syll., iv. n. 868. 



Aspergillm aureus, Berk., Eng. PL, vol. v. p. 340. 



On bark. 



No specimen exists in Berkeley's herbarium, and the de- 

 scription is probably too brief to insure future identification, 

 although mycologists are not wanting who imagine they 

 possess the power of knowing exactly what species were 

 intended in such cases. Possibly self-assurance goes for 

 much on such occasions. 



Sect. II. DIDYMOSPOKAE. Sacc. 

 DIPLOCLADIUM. Bon. (fig. 24, p. 313.) 



Sterile hyphae creeping ; fertile erect and verticillately 

 branched; conidia elliptic-oblong or obovatc, 1 -septate, 

 hyaline or clear and bright in colour, solitary or 2-3 at the 

 tips of the branchlets. 



Diplodadium, Bonorden, Hdbk., p. 98 ; Sacc., Syll., iv. p. 

 176. 



Diplodadium minus. Bon. 



Tufts, small, white, silky ; fertile hyphae ascending, 

 oppositely branched; branchlets usually in threes at the 

 ends of the branches, tips slightly thickened ; conidia 

 obovate, 1-septate, slightly constricted, hyaline, 13-15 x 

 7-8 /x. 



Diplodadium minus, Bon., Hdbk., p. 98, t. 5, f. 119; Sacc., 

 Syll., n. 871. 



Diplodadium Renneyi, Sacc., Syll., n. 875. 



Dactylium Benneyi, B. & Br., Ann. Nat. Hist., n. 1383. 



On trunks; forming white, downy patches 1-3 lines 

 across. 



Diplodadium penicillioides. Sacc. 

 White ; effused ; hyphae fasciculate, septate, 4-5 ^ thick, 

 erect or ascending, vaguely branched, bearing at the apex an 



