TUBESCULAEIA. 463 



conidial stratum rugose, margin naked ; conidiophores 

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

 the lateral branchlets. 



Tuhercularia granulata, Pers., Syn., p. 113; Sacc, SylL, 

 iv. n. 3006. 



On tranches 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. 



Tuhercularia 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 yn, flesh-colour 

 greenish, terminal on filiform conidiophores. 



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

 Syll., iv. n. 3036. 



On boK twigs (Buxus). 



Tubercularia sarmentosum. Fries. 



Sporodochia small, emerging in longitudinal lines through 

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

 2-2 • 5 IX., hyaline. 



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

 SyU., 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— i /*. 



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

 Sacc, SyU., iv. n. 3038. 



On Syringa and Lycium. 



Tubercularia ligustri. Cke. 

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

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



