266 



over the lower surface of the leaf, globose, perfoi-ated above, 80-100 fi 

 diam., covered by the epidermis, but distinctly promineut. A?ci 

 oblong- clavate, sessile or nearly so, 45-60 x 8-10 n (Sspored)? Spo- 

 ridia crowded, 2-3-seriate, fusoid, slightly curved, 18-22x2^-3 //, 

 (26 X 3 u, Winter; 26-35 x 3-4: /i, Saccardo). 



On fallen leaves oi Ribes nigrum, Ames, Iowa (Pammel). 



The Iowa specc. A^■ere immature, but apparently this species. 

 The measurements of asci and sporidia are from spec, in 8ydow's M. 

 Marchica. 



S. Ravenelii, Cke. Grev. VII, p. 53. 



Kxsicc. Rav. F. Am. 384. 



Perithecia hypophyllous, occupying the whole lower surface of 

 the leaf, very small, scarcely visible, brown. Asci clavate. Sporidia 

 elliptical, uniseptate, slightly thickened above, 8 x 4 /i. 



On oak leaves, Aiken, South Carolina. 



S. Ailanthi, Cke. Grev. TI, p. 146. 



J5x.sicc. Rav. F. Am. 377. 



Gregarious. Perithecia crowded in irregular spots, dark brown, 

 small. Asci clavate. Sporidia elliptical, uniseptate, 6x3//. 

 On leaves of Ailanthus, Aiken, South Carolina, 



S. ilicella, Cke. Grev. Till, p. 119. 



Perithecia epiphyllous, punctiform, black, scattered on orbicular 

 white spots. Asci clavate. Sporidia fusoid, hyaline, uniseptate, con- 

 stricted, 20x6 n, cells binucleate. 



On leaves of Ilex opaca, New York State (Gerard). 



S. Ilicis, EU. Am. Nat. 1883, p. 317. 



Exsicc. EU. N. A. F. 1351. 



Amphigenous. Spots round, 3^ mm. diam., white above, with a 

 raised, purple margin, reddish-brown below. Perithecia punctiform, 

 black, ovate-globose, semiimmersed, often collapsing above. Asci 

 oblong-cylindrical, 40-55x7^-11 /z. Sporidia biseriate, clavate-ob- 

 long, subhyaline, uniseptate, slightly constricted, 13-15x3 //. 



On leaves oi Ilex glabra, Newfield, N. J. 



We have not seen S. ilicella. Cke., but the Newfield specimens 

 seem di.?tinct in their smaller sporidia and amphigenous growth. 

 S. pardalota, C. & E. Grev. YI, p. 16, tab, 96, fig. 23. 



Exsicc, EU. & Evrht. N. A. F. 2d Ser. 2136. 



Perithecia minute, globose, black, semiimmersed, crowded in 



