72 



Mycologia 



Bidentis Lagerh., which is a Lepturomyces and is not connected 

 genetically with the preceding Uredo-iorm." However, not all 

 the specimens of Sydow, Ured. 1647 show the short cycle form, 

 for the one at the N. Y. Bot. Garden does not. 



40. Uromyces pianhyensis P. Henn. 

 On Carduaceae : 



Wedelia reticulata DC, Yauco, March 31, II, 15,9; Tanama 

 River Valley, April 7, II, 160. 



41. PUCCINIA PURPUREA Cooke. 



On Poaceae: 



Holcus sudanensis (Piper) Hitchc, Mayagiiez, March 4, 

 II, III, 405. 

 A new host for the species. 



42. Puccinia Cynodontis DeLac. 

 On Poaceae: 



Capriola dactylon (L.) Kuntze (Cynodon dactylon Pers.), 

 Mayagiiez, Feb. 29, II, 424; Naguabo, April 20, II, 441. 



43. Puccinia Cenchri Diet. & Holw. 

 On Poaceae : 



Cenchrus echinatus L., Mayagiiez, March 3, II, III, 406; 

 Boqueron, March 11, II, 407; Yauco, March 31, II, III, 

 409; San German, April 1, II, 408 ; Barceloneta, April 6, 

 II, Tanama River Valley, April 7, II, 432. 



44. Puccinia Huberi P. Henn. (P. Puttemansii P. Henn. Hedw. 



41 : 105. 1902). 

 On Poaceae : 



Panicum fasciculatum Sw., Barceloneta, April 6, II, III, 

 445- 



Panicum trichoides Sw., Mayagiiez, March 6, II, III, 414, 

 March 10, II, III, 415, March 20, II, III, 416; Tanama 

 River Valley, April 7, II, III, z/jj. 

 In the study of the present material a more extended com- 

 parison with South American forms was made than had before 

 been feasible. Some time ago the authorities of the Berlin 

 Museum were so kind as to send me among other things a part of 

 the original collections for Puccinia Huberi and P. Puttemansii, 



