TUEERCULARIA. 463 



conidial stratum rugose, margin naked ; conidiophores 

 filiform, branched ; conidia ovato-oblong, hyaline, borne on 

 the lateral branchlets. 



Tulercularia granulata, Pers., Syn., p. 113; Sacc., Syll 

 iv. n. 3006. 



On branches of various trees, bursting through the bark. 



Tubercularia nigricans. Link. 



Tubercles rather large, immersed, red, even, margin naked, 

 stratum of conidia red ; flesh of tubercle at length black. 



Tubercularia nigricans, Link, Sp. PI., xi.p. 102 ; Sac., Syll., 

 iv. n. 3009. 



On dead branches of elm, and other trees. 



Tubercularia versicolor. Sacc. 



Sporodochia minute, sometimes flesh colour, sometimes 

 greenish ; conidia ovoid-oblong, 7-9 x 3-3 5 p., flesh-colour 

 greenish, terminal on filiform conidiophores. 



Tubercularia versicolor, Sacc., Fung. Ital., t. 961 ; Sacc., 

 Syll., iv. n. 3036. 



On box twigs (Buxus). 



Tubercularia sarmentosum. Fries. 



Sporodochia small, emerging in longitudinal lines through 

 the split epidermis, crimson; conidia allantoid, 7-8 x 

 2-2 3 p, hyaline. 



Tubercularia sarmentosum, Fries, Obs., i. p. 208 ; Sacc., 

 Syll., iv. n. 3042. 



On twigs of ivy, &c. 



Tubercularia subpedicellata. Schw. 



Sporodochia minute, pale brick red, narrowed below into a 

 rather long base, epidermis elevated round the pedicel, head 

 emerging above the ruptured cuticle, globose, the pedicel 

 separated from the head by a red line; conidial stratum 

 rugulose ; conidia 6-7 X 3-4 p.. 



Tiibercularia pedicellata, Schw., Syn. Amer. Bor., n. 3014; 

 Sacc., Syll., iv. n. 3038. 



On Syrinya and Lycium. 



Tubercularia ligustri. Cke. 



Tubercles minute, convex, erumpent, soon black and de- 

 pressed in the centre, subsessile ; conidia very minute, ellip- 



