2/6 British UredinecE and UstilaginecB. 



Ustilago hypogsea. Tul. 



Spore-masses black, compact, formed round the root-stock, inter- 

 sected by white fibres. Teleutospores rounded or rounded 

 polygonal, dark brown, scarcely transparent, smooth, contents 

 very oleaginous, 20-24 X 14-201U,. 



Synonym. 



Ustilago hypog(2a. Tulasne, "Fung. Hypogsei," 1862, p. 196. 

 F. V. Waldh., " Monograph," p. 18. " Grevillea," vol. xiii. p. 52. 



On Linaria spuria. Isle of Wight. 



Ustilago caricis. (Pers.) 



Spore-masses black, produced within the glumes, forming a firm, 

 black, globose body. Teleutospores very irregular in form, 

 spherical, elHptical, discoid or angular. Epispore dark brown, 

 opaque, obscurely punctate, 12-24 X 7-2 o/a. 



Synonyms. 



Winter, loc. cit., p. 92. Schrot, loc. cit., p. 270. 



Uredo caricis. Pers., "Syn.," p. 225. 



Uredo urceolorum, D. C. Berk., " Eng. Flor.," vol. v. p. 375. 

 Grev., "Flor. Edin.," p. 443. Johnst, "Flor. Berw.," vol. ii. 

 p. 204. 



Ustilago urceolorum, Tul. Cooke, " Hdbk.," p. 512. "Micro. 

 Fungi," 4th edit., p. 229, t. vi. figs. 1 09-1 11. 



Ustilago montagnei. B. and Br., No. 479. Cooke, " Hdbk.," 

 p. 513 ; "Micro. Fungi," 4th edit., p. 229, t. v. figs. 96, 97. 



Farinaria carbonaria. Sow., t. 396, fig. 4. 



Exsiccati. 

 Cooke, i. 541. Berk., 114. Vize, "Micro. Fungi," 131. 



On Carex pracox, stelltdata, recurva, glatica, dioica, vulgaris^ 

 panicea, pseudocyperus, hirta, Rhyncospora alba. 

 June to August. 



