i8o British FtmH. 



<b 



bined to form a very fine network^ meshes about I yu, 

 across, 7-13 x 7-9 \x.. 



Uftilago major, Scliroeter, Krypt. Fl. Schles. p. 

 273; Sacc. Syll. vii. ii. n. 1740; Plow. Brit. Ured. 

 and Ustilag. p. 281. 



On Silene otites. Rare. 



Ustilago Killmieana, Wolff. 



Produced in the inflorescence, also on the stem and 

 leaves in the form of spots or lines, rnsty-violet in the 

 mass ; resting-spores globose, violet, epispore Tvith 

 slightly raised ridges combined to form a fine net- 

 work, 10-16 ^ diameter; promycelium 2 — 3 septate, 

 sporidia very minute. 



Ustilago Kp.hneana, Wolff, Bot. Zgt. 1874, p. 814; 

 Sacc. Syll. vii, ii. no. 1730 ; Plow. Brit. Ured. and 

 Ustilag. p. 281 ; -Cke. Micr. Fung. ed. 4, p. 231. 



On Rumex acetosa and B. acetosella. Rare. 



Ustilago tragopogi, Schroet. (fig. 120). 



Produced in the inflorescence, violet-black ; resting- 

 spores globose or angularly globose, blackish violet, 

 opaque, epispore furnished with a very delicate net- 

 work, 12-18 X 9-14 fJL', promycelium cylindrical, 

 3-septate, sporidia elliptic-oblong, conjugating in 

 pairs. 



Ustilago tragoj-iogi, Schroeter, Kr. Fl. Schles. p. 

 274; Sacc. Syll. vii. ii. no. 1739; Plow. Brit. Ured. 

 and Ustilag. p. 281 ; Cke. Hdbk. p. 515; Cke. Micr. 

 Fung. ed. 4, t. v. figs. 92 — 95. 



On Tragojjogon j^jratensis. The whole of the in- 



