dcsimg

Comprehensive Description

provided by North American Flora
Hyalopsora polypodii (DC.) Magn. Ber. Deuts. Bot
Ges. 19: 582. 1901.
Uredo linearis /3 Polypodii Pers. Syn. Fung. 217. 1801. Uredo Polypodii DC. Fl. Fr. 6 : 81. 1815. Uredo Aspidii Poll. Giorn. Fis. 9 : 182. 1816. Caeoma Filicum Link, in Willd. Sp. PL 6* : 36. 1825.
I. Aecia hypophyllous, similar to the uredinia ; aeciospores globoid or obovate-globoid, somewhat angular, 18-25 by 27-33 /i; wall nearly or quite colorless, medium thick, 2-3 fi y minutely verrucose, appearing smooth when wet, pores 6-8, scattered. Uredinia hypophyllous, scattered, bullate, irregulariy rounded or oblong, rather small, 0.2-0.4 mm. across, tardily dehiscent by irregular rupture, golden -yellow, somewhat pulverulent ; peridium rudimentary, delicate ; urediniospores globoid or elliptical-globoid, 14-20 by 19-30//; wall colorless, thin, 1-1.5 ft, minutely verrucose, appearing smooth when wet, pores 4, equatorial.
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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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