296 British UredinecE and UstilaginecE. 



Synonyms. 



Schrot, loc. cit, p. 288, Winter, loc. cit, p. 105. 



Thecaphora hyalina. Fing., " Linnsea," vol. x. p. 230. B. and 

 Br., Ann. Nat. Hist., No. 1 148. Cooke, " Hdbk.," p. 5 1 5 ; " Micro. 

 Fungi," 4th edit., p. 231. 



Exsiccatl. 

 Cooke, i. 313. Vize, "Micro. Fungi Brit.," 45. 



On Convolvulus sepium and soldanella. 

 September and October. 



Biology. — See p. 86. 



Thecapliora 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/A in diameter. 



Synonyms. 



Thecapliora trailii. Cooke, " Grevillea," vol. xi. p. 155. 

 Thecapliora cirsii. Boudier, Bull. Soc. Mycol. de France, 1887, 

 vol. iii. p. 149, pi. XV. fig. I. 



On Cardials heterophyllus. Prof. J. W. H. Trail. 

 August. 



Biology. — Pulverulent, having very much the habit of Ustilago 

 cardui, 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 hyph?e, 

 having at first a gelatinous investment. Promycelium filiform. 



Sorosporium. saponarise. Rudolphi. 



Produced in the inflorescence, destroying the reproductive organs. 

 Spore-masses rusty brown. Spore-balls roundish, composed 



