Entyloma. 291 



On Ranunculus ficaria and sceleratus. 

 May and September. 



Biology. — See p. 91. 



Entyloma matricariae. Trail. 



Spots on stems (irregularly rounded or oval), or more often on 

 leaves, affecting the segments on all their surfaces, small, 

 nearly white while conidia are being formed, but becoming 

 brown and dry ; conidia (produced freely on conidiophores 

 pushed out in clusters from the stomata) fusiform or filiform, 

 15-20 X i"5-2/x, pale yellowish, pluri-guttulate or faintly 3-4 

 septate. Teleutospores abundantly formed in the tissues of 

 the host, round or polygonal from pressure, io-12/x in diameter. 

 Epispore smooth, about i'5/a thick, at first hyaline, becoming 

 brown. 



On Matricaria inodora. 



At Finstown, in Orkney, in August, and plentifully near Aber- 

 deen in September ; J. W. H. Trail. 



** Conidia not formed on the living host-plant. 



Entyloma ch,rysosplenii. (B. and Br.) 



Spots whitish, thickened, roundish, 2-6 mm. across. Teleuto- 

 spores globose or shortly elliptical, smooth, colourless, 10-12/* 

 in diameter. 



Syno7iym. 

 Schrot, loc. cit., p. 283. 

 Protomyces chrysosplenii^ B. and Br. Cooke, "Micro. Fungi," 



4th edit, p. 227. 



On Chrysosplenium oppositifolium. 

 June to September. 



Entyloma microsporum. (Ung.) 



In round or fusiform swellings, which become yellowish brown. 

 Teleutospores globose or irregular, with a thick compound 

 epispore, pale yellowish brown, 15-25 x 12-15/x. 



