250 
Mycologia 
Cataiio, Nov. 6, 4191; Utuado, Nov. 8, 4416, 4581a; 
Lares; Nov. 22, 48461)13; Quebradillas, Nov. 22, 5014; 
Aguada, Nov. 22, 5105. 
Diodia maritima Thonn., Mayagitez, Feb. 8, 284a, 289. 
Diodia rigida C. & S., Manati, May ii, 4245a; Rio Piedras, 
Nov., 5727. 
Ernodea littoralis S\v., Boqueron, Feb. 15, 548; Mona 
Island, Dec. 20, 21, 606F, 6058. 
Mitracarpus portoricensis Urban, Guanica, Dec. 29, 682'/. 
Spermacoce teniiior (L.) Lam., Hormigueros, Jan. 14, 215, 
715; Guanica, Feb. 3, 525; Coanio Springs, April 6, 
846; Cabo Rojo, June 15, 2266; San German, Nov. 8, 
5813, 5816. 
This common, short cyle rust of warm regions has also been 
found in Porto Rico on B. laevis at Mayagitez, April, 1904, G. P. 
Clinton, and at Rio Piedras, June, 1912, J. R. Johnston 457, on 
B. verticillata, between Caguas and Cayey, June, July, 1901, 
Underwood & Griggs 295a, at Rio Piedras, June, 1914, J. A. 
Stevenson 2013, on D. maritima, at Mayagiiez, April, 1904, G. P. 
Clinton 170, Catano, Feb., 1914, J. R. Johnston 1364, and on N. 
tenuior at Campo Alegre, Dec., 1914, J. A. Stevenson 2459. 
From other West Indian islands it has been gathered on B. 
laevis in Jamaica, L. M. Underwood, Jan. 1903, 83, March, 1903, 
1736, on E. littoralis in New Providence, Bahamas, Nov., 1890, 
A. S. Hitchcock, on Hemidiodia ocimifolia in Cuba, IMarch, 
1903, E. W. D. Holway, on S. tenuior in Jamaica, Feb., 1891, R. 
Thaxter, and on N. aspera in Jamaica, Jan., 1891, A. S. Hitchcock. 
68. PucciNiA ROSEA (Diet. & Holw.) Arth. Bot. Gaz. 40:206. 
1905. 
Aecidiiim roseiim Diet. & Plolw. Bot. Gaz. 24: 36. 1897. 
Uredo Agerati Mayor, Mem. Soc. Neuch. Sci. 5: 595. 1913. 
On Carduaceae: 
Ageratum conysoides L., Villa Alba, Jan. 3, 112; Utuado, 
Nov. 8, 4395; Monte Alegrillo, Nov. 14, 4714, 4754 - 
Eupatorium polyodon Urban, Barros, Jan. 2, 140. 
The several collections show urediniospores only, and in the 
