320 
Mycologia 
85. Uredo Dioscoreae P. Henn. Hedwigia 35 : 255. 1896. 
On Dioscoreaceae : 
Rajania cordata L., Bayamon, without date, 4162; Utuado, 
Nov. 8, 4673; Jajome Alto, Dec. 3, 5658, 5757; El 
Gigante near Adjuntas, Dec. 15, 5Q48 ; River junction 
below Utuado, Dec. 16, 6030; St. Ana, Dec. 31, 6687. 
The only other collection of this rust from the West Indies 
known to the writer was made by E. W. D. Holway in Cuba, 
March, 1903. The Holway collection is not on Rajania, but on 
some undetermined species of Dioscorea. The spores of the 
Cuban material resemble those of the type, which was on Dio- 
scorea grandiflora from Brazil, but appear slightly thinner walled, 
and a little more coarsely verrucose. All the Stevens’ collections 
agree with the Cuban material, except that no. §p48 does not ap- 
pear to vary at all from the type collection. The variations noted 
seem unimportant. Pore characters could not be determined, but 
the arrangement is probably equatorial. 
86. Uredo nigropunctata P. Henn. Hedwigia 35 : 254. 1896. 
On Orchidaceae: 
Bletia patula Hook., Maricao, April 3, 804a, 826. 
The species occurs on phanerogamic specimens in the N. Y. 
Bot. Garden of the same host from Cuba, March, 1903, Under- 
wood & Earle ppp, and on Bletia purpurea (Lam.) DC. from 
Hayti, Aug., 1903, Geo. V. Nash 706, and from the Bahamas, 
March, 1907, L. J. K. Brace 7011, and Feb., 1910, Small & 
Carter 8876. 
87. Uredo Erythroxylonis Graz. Bull. Soc. Myc. Fr. 7: 153. 
1891. 
On Erythroxylonaceae : 
Erythroxylon areolatum, L., Mona Island, Dec. 20, 21, 
6148, 6448. 
The species has been collected in Prov. Havana, Cuba on E. 
havanense Jacq. in 1904, by C. F. Baker 4127 (Barth. Fungi 
Columb. 2287), the host having recently been determined by Mr. 
