292 British Uredinee and Ustilaginee. 
Synonyms. 
Schrot., Joc. cit, p. 284. 
Protomyces microsporus. Ung., ‘‘Exanth. Plant.,” p. 343. 
Entyloma ungeriaum, De Bary. Cooke, ‘“ Micro. Fungi,” 4th 
edit., p. 233. Trail, Scott. Mat., 1884, p. 288. 
On Ranunculus repens and acris. 
June to November. 
BioLoGy.—The promycelial spores are cylindrico-fusiform, and 
conjugate in pairs. 
Entyloma calendule. (Oud.) 
Spots round, at first whitish, then becoming brown. Teleuto- 
spores globose or polygonal, smooth, nearly colourless or pale 
yellowish brown, 10o-16p in diameter. 
Synonyms. 
Schrot., Joc. ctt., p. 283. 
Protomyces calendui@. Oud., “Flor. Myc. Neerland,” vol. ii. 
p. 42. 
Protomyces hieracii, Berk. in Herb. No. 5248. Cooke, 
“ Grevillea,” vol. xii. p. 99. , 
Entyloma calendula, Trail, Scott. Nat., January, 1884, p. 124. 
On Calendula officinalis, Hieracium vulgatum, murorum, 
June to September. 
MELANOTANIUM. De Bary. 
Spores simple, in indeterminate groups, produced within the 
hyphz, not pulverulent, germination as in Entyloma. 
Melanotenium endogenum. De Bary. 
Mycelium intercéllular, permeating the whole plant, sending tufted 
haustoria into the adjacent cells. Teleutospores forming 
black masses under the cuticle, rounded, elliptical, or poly- 
gonal from mutual pressure, dark brown, smooth, 15-20 x 
12-204, Epispore thick, opaque, dark brown. Endospore 
thin, colourless. 
