Comprehensive Description
provided by North American Flora
Nigredo substriata (Sydow) Arthur
Uromyces substriatus Sydow, Ann. Myc. 4 : 30. 1906. O and I, Pycnia and aecia not seen.
Uredinia chiefiy hypophyllous, scattered, small, rather eariy naked, pale cinnamonbrown, somewhat pulverulent, ruptured epidermis noticeable ; urediniospores broadly ellipsoid, 19-23 by 21-29 ju; wall golden-brown, 1.5-2 ju thick, rather sparsely echinulate, the pores 6-8, scattered.
- bibliographic citation
- Joseph Charles Arthur, Frank Dunn Kern. 1912. (UREDINALES); AECIDIACEAE (continuatio), GYMNOSPORANGIUM. North American flora. vol 7(3). New York Botanical Garden, New York, NY
