136 PROCEEDINGS OF THE ACADEMY OF [1893. 



Leptosphaeria lilii Ell. & Dearness. 



On leaves of Lilium superbum, London, Canada. Aug., 1890. 

 (J. Dearness.) 



Spots amphigenous, elliptical, becoming pale, =}-lcm. long x 3-5 

 mm. wide, definite, with a narrow, reddish-purple border. Perithe- 

 cia amphigenous, scattered, black, sublenticular, pierced above, 

 150-200,". diam., erumpent. Asci oblong-cylindrical, paraphysate, 

 with a short, nodular base, 50-60 x 7fi. Sporidia biseriate, fusoid, 

 3-septate, constricted at the middle septum with the cell next above 

 swollen, hyaline at first, becoming yellowish, nearly straight 15-18 

 x 3/i. J 



The spermogonial stage (Pkyllosticta lilii Ell. & Dearness) occurs 

 on the same leaves and does not differ outwardly, sporules hyaline 

 4-5 x 2*-3,u. 



Leptosphaeria solani E. & E. 



On living leaves of Solarium dulcamara, London, Canada. Aug., 

 1892. (Dearness, No. 886 B.) 



Perithecia epiphyllous, on small round, white spots 1-3 mm. diam. 

 with a narrow, slightly raised reddish-brown margin, depressed- 

 globose, 150/.* diam., black, erumpent-superficial. Asci clavate- 

 cylindrical, 55-60 x 8/*, subsessile ; paraphyses, if any, very obscure. 

 Sporidia biseriate, fusoid, nearly straight, yellowish, 3-septate, con- 

 stricted at the middle septum, and the two adjacent cells, especially 

 the one next above, slightly swollen, 16-20 x 2%-3/j.. 



There is a Phyllosticta on the same spots with smaller, perithecia 

 and sporules, 5-7 x 3,u. (P. dulcamara? Sacc.) ? 



Metasphaeria maximiliani E. & E. 



On dead stems of Helianthus maximiliani, Rockport, Kansas. 

 Dec, 1892. (Bartholomew, No. 821.) 



Perithecia scattered, erumpent and semi-emergent or nearly super- 

 ficial by the peeling off of the epidermis, ovate, about } mm. high, 

 black, with a papilliform ostiolum. Asci cylindric-clavate, 75 x 8/v 

 paraphysate, 8-spored. Sporidia biseriate, oblong-fusoid, hyaline, 

 2-septate, and constricted at the septa, obtuse, not appendiculate, 

 15-20x4-5//. 



Differs from M. helianthi Awd. in its rather longer, 2-septate 

 sporidia. 

 Metasphaeria sphenispora E. & E. 



On dead culms of Erlanthus alopecuroides, near Newark, Del. 

 April, 1892. (Commons, No. 1,941.) 



