Comprehensive Description
provided by North American Flora
Nigredo polemonii (Peck) Arthur
Aeadium Polemonii Peck, Bot. Gaz. 4: 230. 1879. Uromyces-acuminatus Arth. Bull. Minn. Acad. 22 : 35. 1883 Uromyces Spariinae Farl. Proc. Am. Acad. 18 : 77. 1883. iAectdium Tissae Sllis & Bv. Bull. Torrey Club 24 : 284. 1897. Caeomurus acuminatus Kuntze, Rev, Gen. 3^ : 449, 1898. Caeomurus Spartinae Kuntze, Rev. Gen. 33 : 450. 1898. Nigredo acuminata Arth. R6sult. Sci. Congr. Bot. Vienne 343. 1906.
Pycnia chiefiy epiphyllous, gregarious, in small groups 0.5-1.5 mm. across, not conspicuous, punctiform, honey-yellow becoming brownish, globoid, 80-160 ju in diameter by 70-150 M high ; ostiolar filaments 30-50 ju long.
- 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
