17 



peridia densely clustered, light yellow, short, scarcely emergent, 

 margin erect, even, or at length slightly lacerate, about ^mm. 

 in diameter, of loose cellular structure, the cells thin walled, 

 minutely aculeate, about. 30x20-": spores very small, subpoly- 

 gonal, light yellow, epispore smooth, about 16x12^. 



On living leaves of Wedelia carnosa^ along the railroad at 

 Mayaguez, altitude 10 feet. February. No. 4580. 



CoLEOSPORiUM Elephantopodis (Schw.) Thuem. 



On Elephantopus sp., damp woods south of Mayaguez, alti- 

 tude 100 feet. February. No. 4569. 



PucciNiA Cyperi Arth.? 



Uredo form only on Cyperus sp., moist ground near Anasco, 

 altitude 23 feet. February. No. 4538. 



PucciNiA Eleocharidis Arth.? 



Uredo form only, on Eleocharis geniculata^ moist ground 

 near Anasco, altitude 25 feet. February. No. 4539. 



AGARICALES. 



SCHIZOPHYLI^UM COMMUNE Fr. 



On fallen log, calcareous hills east of Santurce, altitude 15 

 feet. January. No. 4342. 



Auburn, Alabama, October 3, 1900. 



