Coleosporium begoniae Arthur 1907

Comprehensive Description

provided by North American Flora

Coleosporium begoniae Arthur, sp. nov
O and I. Pycnia and aecia unknown.
Uredinia hypophyllous, scattered, 0.5 mm. across, soon naked, yellow fading to white, very pulverulent, ruptured epidermis inconspicuous ; urediniospores ellipsoid, or nearly globoid, usually angular, 15-19 by 26-29 u; wall thin, 1,5 u t evenly verrucose with small papillae.

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bibliographic citation: Joseph Charles Arthur. 1907. UREDINALES; COLEOSPORIACEAE, UREDINACEAE, AECIDIACEAE (pars). North American flora. vol 7(2). New York Botanical Garden, New York, NY

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