Ustilaginee. 275 
Ustilago grandis. Fries. 
On the caulms beneath the leaf-sheath, often occupying whole 
internodes, black, dusty. Teleutospores globose, elongated 
or irregular, pale brown, smooth, 7-12 X 6-84. 
Synonyms. 
Ustilago grandis. Fries, “Syst. Mycol.,” vol. ii. p. 518. 
Schrot., “ Krypt. Flor. Schl.,” vol. iii. p. 268. Winter, Joc. c7z., 87. 
Ustidlago typhoides. B. and Br., Ann. Nat. Hist., No. 480. 
Cooke, ‘“‘ Hdbk.,” p. 513; “Micro. Fungi,” 4th edit., p. 229, t. vi. 
figs. 128, 129. 
On Phragmites communis. 
July to November. 
B1oLoGy.—See p. 83. 
Ustilago grammica. BB. and Br. 
Forming little transverse bands, consisting of short, parallel black 
lines, 2 mm. or morelong. Teleutospores globose, very minute. 
Synonym. 
Ustilago gramnuca. B. and Br., Ann. Nat. Hist., No. 483. 
Cooke, “ Hdbk.,” p. 514; “ Micro. Fungi,” 4th edit., p. 229, t. vi. 
figs. 120, 121. 
On Aira cespitosa and Glyceria aquatica, 
Ihave never met with this species; and am unable to give 
any details concerning its spore-germination. 
Ustilago marina. Durieu. 
Spore-masses blackish brown, forming swellings on the roots. 
Teleutospores of two forms: (a) globose or obtusely ovoid or 
elongated, 10-134; (4) irregularly ovoid elongate, 16 x 
10-13, olive-brown, smooth. 
Synonym. 
F. v. Waldh., “ Syst. des Ust.,” p. 17. 
Ustilago marina. ‘Cooke, “ Grevillea,” vol. xiv. p. go. 
On Scirpus parvulus. 
