UREDINALES OF GUATEMALA 
200. PucciNiA Gymnolomiae Arth. (on Carduaceae). 
Gymnolomia microcephala Less., Volcan de Agua, Dept. Sacate- 
pequez, March 4, 1916, II, III, 55^; Mendez, Dept. Guatemala, 
Feb. 13, 1917, II, III, 861. 
Hymenostephium cordatum (Hook. & Arn.) Blake, San Felipe, Dept. 
Retalhuleu, Jan. 12, 1917, II, 6g2\ Colomba, Dept. Quezal- 
tenango, Feb. 3, 1917, II, 828. 
Hymenostephium sp., Antigua, Dept. Sacatepequez, Dec. 28, 1916, 
II, III, 652. 
A long-cycle rust that probably possesses pycnia and aecia, which, 
however, have not yet been collected. 
201. Puccinia semota Jackson & Holway sp. no v. (on Carduaceae). 
Gymnolomia suhflexuosa Benth., Solola, Jan. 28, 1915, 146. 
Pycnia unseen, probably not formed. 
Telia hypophyllous, crowded in small confluent groups 1-2 mm. 
across, round, 0.3-0.5 mm. in diameter, early naked, pulvinate, dark 
chestnut-brown, ruptured epidermis inconspicuous, teliospores clavate, 
13-18 by 48-58 M» rounded above, somewhat narrowed below, slightly 
constricted at septum; wall golden-brown, thin, I m, thickened above, 
4-10 smooth; pedicel colorless, short, one third length of spore or 
less. 
A short-cycle rust of the general appearance of P. Silphii. 
202. Puccinia cognata Syd. (on Carduaceae). 
Verbesina Fraseri Hemsl., Antigua, 5300 feet alt.. Dept. Sacate- 
pequez, Jan. 12, 1915, o, i, ii, III, 7j; Guatemala City, Feb. 8, 
1916, II, III, 464; same, Dec. 20, 1916, II, III, 604. 
Verbesina Holwayi Robinson, Ouezaltenango, Jan. 20, 1915, ii, 
III, g6B; same, Jan. 17, 1917, III, yj8 (with Coleosporium 
Verbesinae) . 
Verbesina sublobata Benth., San Lucas Toliman, Dept. Solola, 
Feb. 2, 1915, II, 175 A, 180. 
Verbesina sp., Solola, Jan. 27, 1915, II, JJ5; San Lucas Toliman, 
Dept. Solola, Feb. 2, 1915, II, III, 777; Mazatenango, Dept. 
Suchitepequez, Feb. 22, 1916, II, 52J. 
A long-cycle species, showing much variability in size and appear- 
ance of the teliospores. It was collected by Kellerman on V. Fraseri, 
at Guatemala City, Feb. i, 1905, ii, III, 4324, and at Laguna, Lake 
Amatitlan, January, 1906, ii. III, 5412, and reported by Kern in 
Journ. Myc. I.e. 
