330 
J. C. ARTHUR 
It was collected by Kellerman, on Ipomoea matrocalyx (Ruiz & 
Pav.) Choisy, at Laguna, Dept. Amatitlan, Jan. 19, 1906, II, 5450, and 
Jan. 20, 1906, II, S408, on /. tyrianthina Lindl., at Moran, Dept. 
Amatitlan, Jan. 25, 1906, II, 5435, and on Pharhitis hederacea (L.) 
Roth, at Laguna, Jan. 17, 1906, II, 5405, 540P, and all reported by 
Kern in Journ. Myc, /. c. 
It is a common rust in both tropical and temperate America. The 
connection of the aecial form on pine leaves has been proven by 
cultures. 
3. CoLEOSPORiUM ViBURNi Arth. (on Caprifoliaceae). 
Viburnum sp., Volcan de Agua, Dept. Sacatepequez, March 7, 
1916, II, 5^7, 574. 
A species of wide distribution in North and South America, but 
local and rarely collected. It undoubtedly has its aecia on leaves of 
pine, but they have not yet been detected. 
4. CoLEOSPORiUM Elephantopodis (Schw.) Thiim. (on Carduaceae). 
Elephantopus hypomalacus Blake, San Felipe, Dept. Retalhuleu, 
Jan. 13, 1917, II, III, 704. 
This species occurs in tropical North and South America. It was 
collected by Kellerman on E. mollis, at Los Amates, Dept. Izabal, 
March 15, 1905, II, 5362, and reported by Kern in Journ. Myc, /. c. 
5. COLEOSPORIUM EuPATORii Arth. (on Carduaceae). 
Eupatorium collinum DC, Huehuetenango, Jan. 21, 191 7, II, 758. 
Eupatoriiim sp., Tecpan, Dept. Chimaltenango, Jan. i, 1917, II, 
6S9; Quezaltenango, Jan. 31, 1917, II, 812. 
Common on various species of Eupatorium in tropical North and 
South America. It was collected by Kellerman on E. collinum, ait 
Palmar, Dept. Quezaltenango, Feb. 11, 1906, II, 5456*, and reported 
by Kern in Journ. Myc, /. c. 
6. COLEOSPORIUM Steviae Arth. (on Carduaceae). 
Stevia lucida Lag., Huehuetenango, Jan. 23, 1917, II, 772. 
Stevia suhpuhescens Lag., Cerro Quemado, Dept. Quezaltenango, 
Jan. 21, 1915, II, 104. 
This heteroecious species has not been reported before outside of 
Mexico. Aecia are not known for it. 
7. COLEOSPORIUM Verbesinae Diet. & Holw. (on Carduaceae). 
Verbesina apleura Blake, Quezaltenango, Jan. 17, 191 7, II, 739- 
