Wilson-Sea ver's Ascomycetes and Lower Fungi 125 



46. Saprolegnia ferax (Gruith.) Nees, Nova Acta Acad. 



Leop. 11 2 : 513. 1823 



Conferva ferax Gruith. Nova Acta Acad. Leop. 1821. 



On dead fish, New York City, spring, 1907. G. W. W. 



This species is reported as common in the vicinity of New 

 York City on fish of various species. 



47. Sphaeropsis Linderae Peck, Ann. Rep. N. Y. State 



Mus. 39: 45. 1896 



On dead branches of Benzoin Benzoin (L.) Coulter, West- 

 chester Co., N. Y., March, 1907. G. W. W. 



The fungus infests the younger branches, which appear to have 

 been killed by the mycelium of the fungus, while the sporangia 

 develop saprophytically. 



48. Sphaeropsis Menispermi Peck, Ann. Rep. N. Y. State 

 Mus. 24: 86. 1886 



On recently dead vines of Menispermum canadensis L., First 

 Mt, Orange, N. J., September 26, 1906. G. W. W. 



This species, which is similar in habit to the preceding, was 

 frequently observed in the vicinity of New York City. 



49. Sphaeropsis Smilacis Ellis & Everh. Jour. 

 Myc. 5: 149. 1899 



On dead stems of Smilax rotundifolia L., The Bronx, New 

 York City, March 22, 1907. G. W. W. 



Not common and usually associated with other imperfect fungi. 



50. Trichopeziza Tiliae (Peck) Sacc. Syll. 

 Fung. 8: 428. 1889 



Peziza Tiliae Peck, Ann. Rep. N. Y. State Mus. 24: 96. 1886. 



Abundant on dead branches of Tilia americana L., Fargo, N. 

 Dak., summer, 1907. F. J. S. 



