TUBERCULAKIA. 465 



Tubercularia confluens, Pers., Syn. Fung., p. 113 (in part); 

 Sacc., Syll., iv. n. 3017. 



On bark of poplar, willow, sycamore, &c. 



Tubercularia minor. Link. Far. Syringae, Cke. & 

 Mass. Minute, erumpent, horn-coloured then flesh-colour or 

 reddish, shining, gelatinous when moist, stroma readily 

 falling away when mature ; conidia oblong, straight, rounded 

 at the ends, 12 x 2 p.; conidiophores simple. 



Grev., 1889, p. 80. 



On twigs of lilac. 



II. On herbaceous stems. 



Tubercularia herbarum. Fries. 



Erumpent, innate, pallid, minute ; the wedge-shaped stroma 

 purple inside, and covered with a pale conidial stratum; 

 conidia ovate, involved in mucus. 



Tubercularia herbarum, Fries, Syst. Myc., iii. p. 465 ; Sacc.,. 

 Syll., iv. n. 3056. 



On dead herbaceous stems. 



Tubercularia brassicae. Lib. 



Tubercles superficial, wart-like, minute, red, even ; conidia 

 cylindrical, very slightly curved, 8-10 x 1| /*, hyaline, 

 borne laterally on simple or forked, toothed conidiophores. 



Tubercularia brassicae, Lib., Herb., n. 1019 ; Sacc., Syll., iv. 

 n. 3057. 



On decaying cabbage stalks. 



III. On leaves. 



Tubercularia aquifolia. C. & M. 



Tubercles scattered, innate, at length erumpent, pallid 

 flesh-colour, subsessile ; conidiophores rather thick, furcate ; 

 conidia narrowly elliptical or sausage shaped, obtuse, 12-15 

 X 2-3 p.. 



Tubercularia aquifolia, Cke., & Mass., Grev., xvi. p. 49. 



On dead holly leaves. 



VOL. ni. 2 H 



