280 British Uredinee and Ustilaginee. 
Ustilago utriculosa. (Nees.) 
Spore-masses dark violet, produced within the perianth, causing 
the blossoms to become swollen. Teleutospores globose, 
transparent, violet, reticulated with very high ridges which 
form a wide network, 9-12, in diameter, 
Synonyms. 
Winter, Zoc. cit., p. 100. Schrot., Joc. cit., p. 273. 
Caoma utriculosum, Nees, “System,” p. 14, t. i. fig. 6. 
Oredo utriculosa, D.C. Berk., “ Eng. Flor.,” vol. v. p. 377. 
Ostilago utriculosa, Tul. Cooke, “Hdbk.,” p. 514; “ Micro. 
Fungi,” 4th edit., p. 230, t. vi. figs, 112-116. 
Lxsiccati, 
Vize, “ Micro. Fungi,” 132. 
On Polygonum lapathifolium, persicaria, convolvulus, and hydro- 
piper. 
June to September. 
BIOLOGY.—See p. 85. 
Ustilago violacea. (Pers.) 
Spore-masses violet, pulverulent, produced in the anthers. Teleu- 
tospores rounded, violet, transparent, epispore covered by 
ridges which form a close network, 6-9 in diameter. 
Synonyms. 
Winter, Joc. cit., p. 98. Schrot., doc. cit. p. 273. 
Uredo violacea. Pers., “ Disp. Meth.,” p. 57. 
Farinaria stellaria. Sow., “ Eng. Fung.,” t. 396, fig. 1. 
Uredo antherarum, D. C. Grev., ‘*Flor. Edin.,” p. 443. 
Berk., “ Eng. Flor.,” vol. v. p. 381. 
Ustilago antherarum, Fries. Cooke, “ Hdbk.,” p. 515; 
“ Micro. Fungi,” 4th edit., p. 230, t. v. figs. 102-104. 
Lixsiccati, 
Cooke, ii. 427. Vize, “ Fungi Brit.,” 84. 
On Silene inflata, maritima, nutans, Cerastium viscosum 
