Ustilaginee. 281 
Stellaria graminea, holostea, Lychnis flos-cuculi, vespertina, and 
diurna, 
June to October. 
BioLocy.—See p. 78. 
Ustilago major. Schrot. 
Spore-masses blackish violet, produced in the anthers, pulverulent. 
Teleutospores spherical or elongated, violet, reticulated with 
ridges about 1» high and sp distant from each other, 
7-13 X 7-9p. 
Synonym. 
Ustilago major. Schrot. in Cohn’s “Krypt. Flor. Schl.” 
vol. iii. p. 273. 
On Silene otites. Near Brandon; Mr. Frank Norgate. 
July and August. 
BIoLocy.—See p. 84. 
Ustilago kuhneana. Wolff. 
Produced on the stems, flowers, and on the leaves in the form 
of spots or striz, rusty violet. Teleutospores globose, violet, 
rather transparent, reticulated with very slightly elevated ridges, 
which form a close network on the epispore, 10-18 in 
diameter, 
Synonym. 
Winter, /oc. ciz., p. 98. 
Ustilago kiithneana. Wolff in Bot. Zeit., 1874, p. 814. Cooke, 
“Micro. Fungi,” ath edit., p. 231. 
On Rumex acetosa and acetosella, 
June and July. 
BIoLocy.—See p. 80. 
Ustilago tragopogi. (Pers.) 
Spore-masses blackish violet, destroying the whole of the flowers, 
enclosed in the involucre. Teleutospores globose, generally 
irregularly rounded, opaque, dark violet, with very fine reticu- 
lations, 13-17 X 10-13m 
