405 



Moliniae Tul. on Mollnia coerulea, especially since that rust is not yet 

 recognized as American. The American Aecidium probahly belongs with 

 some other grass-inhabiting Puccinia. It is doubtless a distinct species. 



51. Aecidium Tracyanum Syd. Hedwigia 40: (129). 1001. 



On ACANTHACEAE: 



Colophanes ohJongifoUa (Michx.) Don. (RueUia oNongifoUa Michx.), 

 Florida. 

 TYPE LOCALITY: Braidentowu, Florida, on RucUia [ohloiif/ifoJia]. 

 DISTRIBUTION: Known only from type locality. 



Distinct from aecia of Puccinia lateripes B. & R. 



52. Aecidium Oldcuhnidiainim Ellis & Tracy, Jonr. Myc. 7:43. 1S91. 



On RUBIACEAE : 



Houstonia vtiuor (Michx.) Britton, Alabama. 

 Houstonia purpurea L., Mississippi. 

 TYPE LOCALITY : Starkville, Mississippi, on ''Houstonia coendea," error 

 for //. purpurea L. 



DISTRIBUTION: Gnlf States. 



Distinct from Aecidium Houstoniatum Schw. which belongs with Uuro- 



mijces on Sisyrincliium, by aecia being produced from a limited mycelium. 



« 



53. Aecidium Bouvurdiuc I). & H. Bot. Gaz. 24:36. 1S97. 

 On RUBIACEAE: 



Bouvardiu hirtcUa H. B. K., Guanajuato, Qneritaro. 



Bouvardia triplnjlla Salib., Mexico. 



Bouvardia sp., Guanajuato. 

 TYPE LOCALITY : Rio Hondo, near City of Mexico, on Bouvardia tri- 

 phylla. 

 DISTRIBUTION: States of Guanajuato, Qneritaro, and Mexico. 



Distinct from the aecia belonging to Uromyces Bouvardlae Sydow. 



54. Aecidium pulrcrulcntum Arth. Bull. Torr. Bot. Club 33:521. 190G. 

 On RUBIACEAE: 



Randia sp.. Morelos, Jalisco. 

 TYPE LOCALITY : Cuernavaca, State of Morelos, Mexico, on Randia sp. 

 DISTRIBUTION: Morelo.s and Jalisco. 



