Puccinia fuscata Arthur & Holw. 1918

Dicaeoma fuscatum (Arth. & Holway) Arthur
Puccinia fuscata Arth. & Holway; Arth. Am. Jour. Bot. 5: 486. 1918.
Pycnia epiphyllous, crowded in small groups 0.8-1 mm. across, inconspicuous, lighter dark-brown, globoid or slightly flattened-globoid, 128-144 by 128-150 /i; ostiolar filaments
short, up to 2>5 m long.
1. Aecia hypophyllous, in small groups of two to five opposite the pycnia, round, 0.1-
0.4 mm. across; peridium wanting but with a more or less definite layer of mycelium bordering the aecium, opening by a slit or pore in the overarching epidermis; aeciospores ellipsoid, ellip^ soid-oblong, or globoid, 23-29 by 26-33 mJ wall colorless, 1.5 m thick, closely and coarsely verrucose. Uredinia hypophyllous, scattered, round or oval, 0.1-0.6 mm. across, eariy naked, pulverulent, golden-brown, ruptured epidermis rather inconspicuous; urediniospores broadly ellipsoid or obovoid, 23-26 by 26-32 m; wall cinnamon-brown, 1.5 m thick, moderately echinulate, the pores 2, equatorial.