Uromyces argutus F. Kern 1911

Nigredo arguta (Kern) Arthur
Uromyces argutus Kern, Torreya 11 : 214. 1911.
O and I. Pycnia and aecia unknown.
Uredinia amphigenous, numerous, scattered, on rather large brownish or purplish spots, usually solitary, linear, 1-4 mm. long, rather tardily naked, slightly pulverulent, cinnamon-brown, ruptured epidermis noticeable; urediniospores broadly ellipsoid, 19-23 by 25-32 ju; wall rather thick, 2-3 /a, light cinnamon-brown, closely and very inconspicuously echinulate, the pores usually 3, occasionally 4, approximately equatorial, rather distinct.