290 FUNGUS-FLORA. 



Oedocephalum Preussii. Sacc. (fig. 5, p. 274.) 

 Loosely gregarious; fertile hyphae erect, base bulbous, 

 becoming a little thinner upwards, apex broadly pyriform 

 or nearly globose ; heads globose, white ; conidia colourless, 

 broadly elliptical or nearly globose, apiculate at the base, 

 10 X 7-8 11. 



Oedocephalum Preussii, Sacc., Syll., iv. no. 233. 

 On decaying leaves, stems, &c. 



Oedocephalum sulfureum. C. & M. 



Tufts hemispherical, often confluent, sulphur-coloured; 

 threads septate, branching in a dichotomous manner, swollen 

 into a globose, papillate vesicle at the apex ; conidia globose, 

 hyaline, smooth, 3-5 /* diem. 



Oedocephalum sulfureum, Cooke and Massee, Grev., 17, p. 3. 



On damp decaying rope. 



KHOPALOMYCES. Corda. (figs. 19, 20, p. 274.) 



Sterile hyphae scanty, creeping ; fertile hyphae erect, 

 simple or rarely furcate, apex inflated into a globose or 

 broadly obovate vesiole which is distinctly areolate ; conidia 

 elliptical, continuous, not concatenate, hyaline or slightly 

 coloured, supported on papillae occupying the centre of the 

 areolae. 



Rhopalomyces, Corda, Prachtflora, p. 3; Sacc., Syll., iv. 

 p. 50. 



Distinguished by the walls of the vesiculose heads of the 

 erect, fertile hyphae being divided into distinct polygonal 

 portions, each of which has a papilla at its centre that bears 

 a conidium. 



Rhopalomyces candidus. B. & Br. 



White; sterile hyphae obsolete; fertile hyphae erect, 

 simple ; vesicular head globose are broadly obovate, dis- 

 tinctly areolate ; conidia minute, elliptical, 8 x 4-5 /*. 



Rhopalomyces candidus, B. & Br., Ann. Nat. Hist., n. 505, 

 t. v. f. 3 ; Sauc. Syll., iv. n. 240. 



On deca} mg vegetable matter. 



