278 British Ureidinee and Ustilaginee. 
Ustilago bromivora. (Tul.) 
Produced in the inflorescence, soon pulverulent, black. Teleuto- 
spores spherical or oval, dark brown, obscurely punctate, 
7-12 X 7-Iop, 
Synonyms. 
Ustilago carbo, var. bromivora. Tul. Ann. Se. Nat., ser. iii., 
vol, vii. p. 81. 
.Ustilago bromivora, Waldh. Cooke, “ Micro. Fungi,” 4th edit., 
p. 230. Winter, Joc. cit, p. 91. Schrot., loc. cit, p. 260. 
On Bromus secalinus and mollis, 
May and June. 
BIOLOGY.—See p. 83. 
** Teleutospores echinulate or verrucose. 
Ustilago maydis. (D. C.) 
Olive-brown, dusty, in the ovule and female inflorescence, and on 
the stems and leaves. Teleutospores subglobose, rarely 
elongate, pale brown, closely echinulate, 10-13 x 8-10p. 
Synonym. 
Schrot., Joc. cét., p. 271. Winter, loc. cit., p. 97. 
Ustilago maydis, Corda. Cooke, “ Hdbk.,” p. 513; ‘ Micro. 
Fungi,” 4th edit., p. 230, t. v. fig. 108, 
Lixsiccati, 
Cooke, i. 4333 ii. 431. 
On Zea mays. 
September and October. 
BIOLOGY.—See p. 79. 
Ustilago vinosa. (Berk.) 
Spore-masses black, produced in the swollen flower-buds. Teleu- 
tospores spherical, very pale violet, transparent, thickly covered 
with large hemispherical warts, 10-12 x 7—10,, 
