Tiiberadina. 299 



Entorrhiza cypericola. Magnus. 



In the cells of the periblem of the living root, causing swellings 

 from 3 mm. thick to 10 mm. long. Spores elliptical, sometimes 

 pointed at the end, 17-20 x 15-17/^. Epispore thick, yellow 

 or brown, rough with large hemispherical or irregular warts. 

 Promycelial spores crescentic, whorled and very small (Schrot., 

 loc. ciL, p. 290). 



On the roots of Juticus bufonius and lamprocarpiis. The 

 Links, Old Aberdeen ; Prof. J. W. H. Trail. 



Mr. P. Cameron records it oxijiniciis uUginostis and squarrosus. 



TUBERCULINA. Sacc. 



Mycelium parasitic on the hyphse and spore-beds of the Ure- 

 dineae. Spore-beds flat, formed by erect hyphae, which bear on 

 their summits conidia. Conidia spherical, smooth, pulverulent, 

 germinating by erect branched promycelia, which bear sickle-shaped 

 promycelial spores. Older spore-beds forming sclerotia (Schrot., 

 loc. cit.). 



Tuberculina persicina. Ditm. 



Parasitic upon eecidiospores and uredospores, at first flat, pale violet 

 or dirty red, spore-bearing hyphse 30-60 x 2-3/A. Conidia 

 globose or shortly elliptical, 7-1 4yu, wide. Epispore smooth, 

 almost colourless, or very pale violet. Sclerotia convex, 

 sometimes globose, smooth externally, violet, internally white 



* 



Synonyms. 

 Schrot., loc. cit, p. 291. 



Tuberculina persicina, Ditm. Schrot., " Krypt. Flor. Schl.,'' 

 vol. iii. p. 291. 



Tuberculina vinosa, Sacc. 



On ^cidium asperifolii, tussilaginis, Rces fella lacerata. 



* C. Gobi, Uber Tubercularia persicina Mem. de rAcademie .'mpJriale des 

 Sciences de St. Petersbotirg, s. vii., t. xxxii., 1884. 



