Comprehensive Description
provided by North American Flora
Nigredo Celosiae (Dietel & Holway) Arthur
Uromyces Celosiae Dietel & Holway; Holway, Bot. Gaz. 31 : 326. 1901.
O and I. Pycnia and aecia unknown.
Uredinia hypophyllous, scattered, on large irregular areas, sometimes crowded and occasionally confluent, roundish, 0.2-0.5 mm. in diameter, early naked, pulverulent, dark cinnamon -brown, ruptured epidermis conspicuous ; urediniospores broadly ellipsoid, 19-26 by 24-32ju; wall cinnamon -brown, 2-3.5)Lt thick, strongly and sparsely echinulate, the pores distinct, 2, equatorial.
- 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
