Urocystis. 287 



Cceoma colchici. Schlecht., " Liniitea," vol. i. p. 241. 

 Urocystis colchici, Tul. Cooke, " Hdbk.," p. 517; ''Micro. 

 Fungi," 4th edit, p. 232. B. and Br., No. 485. 



Exsiccaii. 

 Berk., 309. 



On Colchicum autuinuale. 

 April to July. 



Biology.— See p. 68. 



Urocystis sorosporioides. Korn. 



Spore-masses black, in thick, flat pustules on the leaves, and in 

 fusiform swellings on the stems. Spore-balls rounded, com- 

 pact, opaque, 25-45 x 15-25/A. Teleutospores from three to 

 six in number, roundish, compressed, dark brown, 12-16/x in 

 diameter. Pseudospores hemispherical, pale brown, equally 

 distributed around the teleutospores, 7-10/x in diameter. 



Synonyms. 

 Schrot., loc. cit., p. 280. Winter, loc. cit., p. 124. 



Urocystis sorosporioides, Korn. Fckl., " Symb. Nach.," vol. iii. 

 p. 10. Cooke, "Micro. Fungi," 4th edit., p. 232. 



On T/ialictnan minus, and its var. maritima. 

 June to August. . 



Urocystis gladioli. (Requien.) 



Spore-masses black within the corms. Spore-balls roundish, 

 4o-5oyu, in diameter. Teleutospores rounded on the outer 

 side, compressed on the inner, brown, 4-6/^ in diameter. 

 Pseudospores very numerous, pale, brown, evenly distributed. 



Synonyms. 

 Winter, loc. cit., p. 121. 



Uredo gladioli, Requien. Duby, " Bot. Gall.," vol. ii. p. 901. 

 Urocystis gladioli. Smith. Cooke, " Micro. Fungi," 4th edit., 

 p. 232. 



On Gladiolus communis. 



