296 British Uvedinee and Ustilaginee. 
Synonyms. 
Schrot., Joc. cit., p. 288. Winter, loc. cz#., p. 105. 
Thecaphora hyalina, Fing., “ Linnea,” vol. x. p. 230. B. and 
Br., Aun. Nat. Hist., No. 1148. Cooke, “ Hdbk.,” p. 515 ; “ Micro. 
Fungi,” 4th edit., p. 231. 
LEixsiccats. 
Cooke, i. 313. Vize, “‘ Micro. Fungi Brit.,” 45. 
On Convolvulus sepium and soldanella. 
September and October. 
BIoLOGY.—See p. 86. 
Thecaphora trailii. Cooke. 
Produced in the florets. Teleutospores purple-brown, globose, 
usually in fours, rarely two or three, compressed on the inner 
face. Epispore finely verrucose, 12-14 in diameter. 
Synonyms. 
Thecaphora trailit. Cooke, “Grevillea,” vol. xi. p. 155. 
Thecaphora cirstt, Boudier, Bull. Soc. Mycol. de France, 1887, 
vol, iii. p. 149, pl. xv. fig. 1. 
On Carduus heterophyllus. Prof. J. W. H. Trail. 
August. 
BIoLoGy.—Pulverulent, having very much the habit of Ustlago 
carduz, but differs in being a true Thecaphora, and in the epispore 
being verrucose and not reticulate. M.C.C. 
SOROSPORIUM. Rudolphi. 
Teleutospores very numerous, small, in large ‘spore-balls, but 
easily separable, produced from intertwining gelatinized hyphe, 
having at first a gelatinous investment. Promycelium filiform. 
Sorosporium saponarie. Rudolphi. 
Produced in the inflorescence, destroying the reproductive organs. 
Spore-masses rusty brown. Spore-balls roundish, composed 
