UREDINALES OF PORTO RICO BASED ON 
COLLECTIONS BY F. L. STEVENS^ 
J. C. Arthur 
Species Reported from Porto Rico Not Represented Above 
no. Ravenelia portoricensis Arth., on Cassia emarginata L. 
(Caesalpiniaceae) , Ponce, Dec. 3, 1902, A. A. Heller dipj. 
Also in Jamaica on Cassia sp. 
111. Hemileia vastatrix B. & Br. on Coffea arabica L. {Rubia- 
ceae) , said to have once been found, and subsequently 
exterminated. 
1 12. Tranzsciielia punctata (Pers.) Arth. (Puccinia Priini- 
spinosac Pers.), on Amygdalus persica L. {Amygdala- 
ceae), Mayagiiez, May, 1903, F. S. Earle 8 ^. Also in Ber- 
muda on same host. 
1 13. Uromyces Cologaniae Arth., II, on Teraninus uncinatus 
Sw. (Fabaceae) , Cayey, mountai nside north of city, Jan- 
uary, 1911, E. W. D. Holway. 
1 14. Uromyces Howei Peck, on Asclepias curassavica L. (Ascle- 
piadaceae) , Comercio, February, 1911, E. W. D. Holway. 
1 15. Uromyces Pavoniae Arth., on Pavonia racemosa L. {Mal- 
vaceae), Mayagiiez and Joyua, June-July, 1901, L. M. 
Underwood /pj. 
1 16. Puccinia purpurea Cooke, on Helens Sorghmn L. (Sorghum 
vulgare Pers.) (Poaceae) , La Carmelita, April, 1904, G. P. 
Clinton; Rio Piedras, May, 1912, Cowgill & Johnston 505. 
Also on same host in Cuba ; on Holcus halepensis L. 
{Sorghum halepense L.) in Cuba and Jamaica; and on 
Sorghum officinarum L. in Bermuda. 
1 17. Puccinia Scirpi DC. {Aecidium Nymphoidis DC.), on 
Scirpus lacustris L. {Cyperaceae) , in a meadow near 
Guanica, Dec. 15, 1902, A. A. Heller 62pi. The aecia 
1 Continued from Mycologia 7: 332. 1915. 
1 C) 
