Puccinia discreta H. S. Jacks. & Holw. 1918

Micropuccinia discreta (Jackson & Holway)
Arthur & Jackson.
Puccinia discreta Jackson & Holway; H. S. Jackson, Bot. Gaz. 65: 309. 1918.
Pycnia epiphyllous, surrounded by the telia, few, gregarious, noticeable, goldenbrown fading to dark-brown, globose or depressed-globoid, 90-100 by 100-130 /z; ostiolar filaments short.
m. Telia chiefly epiphyllous, densely gregarious and confluent in groups 0.5-3 ram, across, on yellowish hypertrophied spots, often arranged in a concentric manner aroimd the pycnia, roundish or somewhat irregular, 6.2-0.6 mm. across, early naked, at first punctiform, becoming pulverulent, dark cinnamon-brown, ruptured epidermis conspicuous; teliospores ellipsoid, 18-22 by 32-42 fj., rounded at both ends, cells easily separating, strongly constricted at septum; wall dark cinnamon-brown, uniform in thickness, 2.5-3.5 /x, minutely verrucoserugose, often in lines extending in various directions, the pore of apical cell placed about half way from apex to septum, similarly in lower cell; pedicel colorless, usually deciduous.
On CarduaceaE:
Vernonia steUaris lylave & Lex. (V. Deppeana Less.), Costa Rica; Guatemala. Type locality: San Jos6, Costa Rica, on Vernonia Deppeana. Distribution: Central America.