Puccinia abrepta F. Kern 1919

Dicaeoma abreptum (Kern) Arthur
Puccinia abrepta Kern, Mycologia 11: 140. 1919.
O and I. Pycnia and aecia unknown.
Uredinia hypophyllous, scattered, oval or oblong, 0.3-1 mm. long, somewhat bullate, rather tardily naked, ruptured epidermis conspicuous, cinnamon-brown; urediniospores eUipsoid or obovoid, 16-19 by 23-26 fx wall cinnamon-brown, 1-1.5 y. thick, moderately or sparsely echinulate, the pores 3, equatorial, covered with a swollen hyaline cuticle.
III. Telia not seen; teliospores narrowly ellipsoid or oblong, 13-16 by 27-45 y, rounded above and slightly narrowed below, somewhat constricted at septum; wall light cinnamonbrown, thin, 1 m or less, thicker above, 3-5 ju, smooth; pedicel about one half length of spore, tinted.
On Cyperaceae:
Cyperusfet-ax L. C. Rich., Costa Rica. Type locawty: San Jos6, Costa Rica, on Cyperus ferax. Distribution: Known only from the type locality.