Comprehensive Description
provided by North American Flora
Dicaeoma ignavum (Arth.) Arthur & Fromme
Uredo ignava Arth. Bull. Torrey Club 46: 121. 1919. O and I. Pycnia and aecia unknown.
Uredinia amphigenous, numerous, eveniy scattered or loosely grouped, frequentiy in a linear series, on light-brown discolored areas, roundish or oblong, small, 0.2-0.6 mm. across, rather early naked, pulvendent, cinnamon-brown, ruptured epidermis conspicuous; paraphyses encircling the sori, numerous, hyphoid, incurved, 10-13 by 29-45 fi, the wall pale cinnam:>nbrown or sometimes colorless, 1-1.5 m thick, frequently thickened 3-5 m on the convex side; lu-ediniospores obovoid or ellipsoid, 14-19 by 23-27 m; wall colorless or pale cinnamon-brown, 1-2 M thick, moderately echinulate, the pores obscure, probably 4, equatorial.
III, Telia tmknown.
On Poaceae:
Bambos vulgaris Schrad., Cuba; Jamaica; Porto Rico. Type iX)cai,ity: Santiago de las Vegas, Cuba, on Bambos vulgaris. Distribution: West Indies.
- bibliographic citation
- Joseph Charles Arthur, Fred. Denton Fromme, Frank Dunn Kern. 1920. (UREDINALES); AECIDIACEAE (continuatio); DICAEOMA ON POACEAE (continuatio), DICAEOMA ON CAREX. North American flora. vol 7(5). New York Botanical Garden, New York, NY
