Comprehensive Description
provided by North American Flora
Bullaria arthuriana (H. S. Jackson) Arthur & Mains
Argomyces Vernoniae Arth. N. Am. Flora 7: 218. 1912. Not Bullaria Vernoniae Arth. 1917. Puccinia Arthuriana H. S. Jackson, Bot. Gaz. 65: 395. 1918.
Pycnia epiphyllous, gregarious, few in groups 0.5-1 mm. across, punctiform, dark reddish-brown, globoid, 80-115 p in diameter; ostiolar filaments about 35 x long.
Uredinia hypophyllous, solitary or often surrounded by the telia, not usualiy abundant, roundish, about 0.5 mm. across, bright cinnamon-brown, ruptured epidermis evident; urediniospores flattened-globoid or globoid, 24-29 m broad by 23 r 26 m long; wall pale-yellow, 1 .5-2 /i thick, moderately and prominently echinulate, 'the pores indistinct, apparently 4,
equatorial.
- bibliographic citation
- Joseph Charles Arthur, Edwin Butter worth Mains, Guy Richard Bisby, Herbert Spencer Jackson. 1922. (UREDINALES); AECIDIACEAE (continuatio); BULLARIA, TELEUTOSPORA, MICROPUCCINIA (pars). North American flora. vol 7(7). New York Botanical Garden, New York, NY
