ARTHUR AND JOHNSTON: UREDINALES OF CUBA 139 
Cuba 293. 1842), where the species is described in full and the 
statement is made that it occurs on culms, leaves, and glumes, and 
even awns, of wheat. The record is presumably based on a col- 
lection by Ramon de la Sagra. 
64. Puccinia бовснт Schw. Trans. Am. Phil. Soc. П. 4: 295. 
1832. ў 
ON POACEAE: 
Zea Mays L., Santiago de las Vegas, Aug. 26, 1904, Baker 
1265, Aug. 4, 1905, Horne, Oct. 1, 1915, Johnston 171; 
Guanajay (Prov. Pinar del Rio), Jan. 27, 1915, II, 
Johnston 142; Artemisa (Prov. Pinar del Rio), Jan. 29, 
1915, II, III, Johnston 148. 
The rust is heteroecious, with aecia on various species of 
Oxalis. 'The rust is rarely collected in tropical regions, this being 
the only record for the West Indies. 
65. PUCCINIA CANALICULATA (Schw.) Lagerh. Tromsó Mus. 
Aarsh. 17: 51. 1894. 
Puccinia Сурет Arth. Bot. Gaz. 16: 266. 1801. 
% ON CYPERACEAE: 
Cyperus ferax L. C. Rich., El Yunque, Baracoa (Prov. 
Oriente), March то, 1903, II, ПІ, Holway; Baracoa (Prov. 
Oriente), April 15, 1916, II, Johnston 632. 
Cyperus sp., Herradura (Prov. Pinar del Rio), Jan. 1917, 
II, III, Horne. 
A cosmopolitan, heteroecious rust, common on many species of 
Cyperus and Kyllinga. It has been proven by cultures to possess 
.aecia on Xanthium and Ambrosia in the northern United States, 
but it doubtless has other aecial hosts. Of the other West Indian 
islands it is known from Jamaica, Porto Rico, and Martinique. 
The collection from Herradura has most of the urediniospores 
with three pores, instead of the usual 2-pored condition with occa- 
sionally three pores. 
66. Puccinta ELEOCHARIDIS Arth. Bull. Iowa State Coll. 156. 
1884 
ON CYPERACEAE: 
Eleocharis geniculata (L.) R. Br., Baracoa (Prov. Oriente), 
April 15, 1916, II, Johnston 501. 
