154 



Tr. fissurarum, (B. & ft) 



Sphceria fissurarum, B. & C. Grev. IV, p. 144. 

 Trichosphceria fissurarum, Sacc. Syll, 1747. 



Pe rithecia globose, covered with short villosity; ostiohim rather 

 thick, attenuated upwards. Asci lanceolate, short. Sporidia minute, 

 oblong, hyaline. No measurements of asci or sporidia given. 



On pine rails, South Carolina (Ravenel). 



ACANTHOSTIGMA, De Not. 



Sferiacei Italici, p. 85. 



Pe rithecia superficial, membranaceous, globose or ovate, mostly 

 small, clothed with stiff hairs or bristles. Sporidia two- or more- 

 celled, hyaline. 



A. scopula, (C. & P.) 



Lasiospluzria scopula, C. & P. Grev. XV, p. 82. 



Acanthostigma scopula, C. & P. Bull. N. Y. State Mus. No. 2, p. 22. 

 Kxsicc. EH. N. A. F. 184. 



Perithecia small (150-200 //), subglobose, very black, with short, 

 divergent, rigid, black hairs or bristles, which are 75-125 fx long by 

 7-8 fj. thick. Asci lanceolate or subclavate, 8-spored. Sporidia 

 crowded or biseriate, elongated, gradually narrowed toward each end, 

 straight or slightly curved, multinucleate, at length multi- (10-12-) 

 septate, yellowish- or greenish-hyaline, 60-70x3-3 J li. 



On pine and hemlock wood, New York and New Jersey. 



A. Berenice, (B. & C.) 



Sphczria Berenice, B. & C. Grev. IV, p. 108. 



Venturia saccardioides, E. & M. Am. Nat. Jan. 1884, p. 69. 



Acanthostigma Berenice, Sacc. Syll. 3612. 



"Perithecia minute, ovate, clothed all over with radiant flocci. 

 Asci lanceolate. Sporidia hyaline, oblong, slightly attenuated at each 

 end or subcymbiforni." 



On the under side of leaves of Magnolia macrophylla (Carolina)? 



Cooke, in his synopsis, Grev. XVI, p. 18, places this in the Acan- 

 thostigma Sect, of Venturia, having sporidia 1-5-septate. Venturia 

 saccardioides, E. & M., which is evidently the same as this, has peri- 

 thecia hypophyllous, scattered, brownish-black, collapsing above, 150- 

 200 fi diam., clothed with loose, spreading hairs, which are longer 

 below and form a fringe around the base Asci clavate-cylindrical, 

 about 50 x 8 fi, briefly stipitate, paraphysate. Sporidia fusoid, 3-sep- 

 tate, hyaline, 12-1 5 x 2J 3 fi. On leaves of Magnolia glauca, Florida. 

 Fully matured specc, on leaves of Magnolia grandiflora from Lou- 



