Comprehensive Description
provided by North American Flora
Coleosporium mentzeliae (Dietel & Holway) Arthur
SHchopsora Mentzeliae Dietel & Holway, Bot. Gaz. 31 : 337. 1901.
O and I. Pycnia and aecia unknown.
Uredinia hypophyllous, scattered, 0.5 mm. or less across, eariy naked, orange-yellow fading to white, ruptured epidermis barely noticeable ; urediniospores globoid, 20-24 by 20/J-; wall rather thin, 1.5-2/*, closely and conspicuousiy verrucose, with elongate papillae
III. Telia hypophyllous, scattered, small, 0.25 mm. across, blood-red fading to paleyellow ; teliospores with wall swelling to 8 /* thick above ; contents orange-yellow fading to colorless, cylindrical, or somewhat clavate, 14-20 by 24^4-5 //, rounded at both ends.
ON IyOASACEAE :
Mentzelia hispida Willd., Jalisco. Type locality : Chapala, Mexico, on Mentzelia hispida. Distribution : Central Mexico.
- bibliographic citation
- Joseph Charles Arthur. 1907. UREDINALES; COLEOSPORIACEAE, UREDINACEAE, AECIDIACEAE (pars). North American flora. vol 7(2). New York Botanical Garden, New York, NY