THE AMERICAN MIDLAND NATURALIST.' 

 SQUAMARIACEAE. 



Petrocells cruenta J. Ag. Inner harbor, Tidal Inlet — D. S. J, 

 and H. H. Y. 



Peyssonellia Rosenvingii Schmitz. C. S. H. Vicinity on peb- 

 bles, shells. — D. S. J. 



XL— EUMYCETES.* 

 PHYCOMYCETES. 



ALBUGINACEAE. 



Albugo portulacae (DC) O. Kuetz. On P. oleracea in gar- 

 dens, C. S. H.— A. F. B. 



Cystopm candidus (P.) Lev. On Sisymbrium officinale by 

 roadsides, C. S. H.— M. A. B. 



ANCYLISTACEAE. 



Ancylisies closterii Pfitzer. Parasitic on Closterium, C. S. 

 H.— N. M. G. 



MUCORACEAE. 



Calyptromyces ramosus Karst. Not infrequent on Long 



Island. — Jelliffe. 

 Mucor Mucedo (L.) Ehr. Frequent. — Jelliffe. 

 Phycomyces nitens (Agard.) Kuetz. Growing on dung in 



woods, C. S. H.— A. F. B. 

 Syzygites aspergilhis (Scop.) Pound. Center Island. — N. 



M. G. 



PERONOSPORORACEAE. 



Peronospora parasitica (Pers) Fries. On Lepidium virgini- 

 cum, C. S. H.— A. F. B. 



SYNCHYTRIACEAE. 



Synchytrium decipiens Farlow. Common on Amphicarpa 

 monoioa, C. S. H. — A. F. B. 



*;I am indebted to Dr. A. H. Graves, Brooklyn Botanic Garden, for 

 revision of this list with regard to its most convenient use, according 

 to Saccardo's "Sylloge Fungorum," Oudeman's "Enumeratio System- 

 atica Fungorum, and Engler and Prantl. 



—72— 



