Arthur : Uredinales of Porto Rico 
25 
28a. Uromyces proeminens (DC.) Pass., on Chamaesyce hyper- 
icifolia (L.) Small, Lajas, June 18, 1915, 7 -^ 7 ^- 
34a. Uromyces Bidentis Lagerh., on Bidens pilosa L., Arecibo 
and Lares Road, June 21, 1915, 75/1, Rio Piedras, Aug. ii, 
1915, p-?pz, Panama river, July 6, 1915, 7^PP, Maricao, 
July 20, 1915, <?p7p. 
38a. PucciNiA Cenchri Diet. & Holw., on Cenchrus carolinianus 
Walt., Camuy, Aug. 10, 1915, II, 9232. 
40a. PucciNiA Huberi P. Henn., on Panicum fascicnlatum Sw., 
Panama river, July 6, 1915, II, 7816. 
41a. PucciNiA LEVIS (Sacc. & Bizz.) Magn., on Paspalum fim- 
briatum H. B. K., Cabo Rojo, July 29, 1915, II, P074- 
42a. PucciNiA SUBSTRIATA Ellis & Barth., on Chactochloa im- 
berbis (Poir.) Scribn., without locality, August, 1915, 
9182. 
430. PucciNiA CANALicuLATA (Scliw.) Lagerh., on Cy perns 
odoratus L., San Jose Lagune, Aug. 10, 1915, 922^, 9224; 
Rio Piedras, Aug. ii, 1915, 9289; C. distans L., without 
locality, 1915, 9192a. 
440. PucciNiA Eleocharidis hrth., on Eleocharis ftaccida (Spr.) 
Urban, Bandero, July 15, 1915, II, 9045; E. mntata (L.) 
R. & S., Guanajibo, June 19, 1915, II, 7198, San Jose La- 
gune, Aug. 10, 1915, 9192-, E. capitata (L.) R. Br., San 
Jose Lagune, Aug. 10, 1915, 9227, Martin Pena, Aug. ii, 
1915, 9301. 
47a. PucciNiA Cannae (Wint.) P. Henn., Ca/at/ica lutea (Aubl.) 
Mey. (Marantaceae) Mayagiiez, June 29, 1915, 7383. Phe 
first record for a rust on this host. 
67a. PucciNiA LATERiTiA Berk. & Curt., on Spermacoce riparia 
C. & S., Aquadilla, June 20, 1915, 7237. 
70a. PucciNiA Syndrellae P. Henn., on Neurolaena lobata (L.) 
R. Br., Florida Adentro, July 7, 1915, 7639. Phe rust on 
this host, heretofore only known from Cuba, was also 
found by Mr. Percy Wilson in the phanerogamic her- 
barium of the New York Botanical Garden on a specimen 
from Panama, collected April 13, 1908, by R. S. Williams. 
99a. Uredo Gymnogrammes P. Henn., on Adianturn latifolium 
Lam., Las Marias, July 10, 1915, 8178. 
