dcsimg

Comprehensive Description

provided by North American Flora
Phyllosticta heraclei Ellis & Dearness, Proc. Can. Inst
IV. 1: 91. 1897.
Spots indefinite, reddish-brown, becoming pale toward the margin and gradually blending off into the healthy tissue of the leaf, reaching a diameter of 1-2 cm., later often becoming confluent and covering a large part of the leaf, similar in color on both sides of the leaf; pycnidia sparingly scattered or occasionally congested, usually restricted to the upper side of the leaf, reaching a diameter of 1 10—125 /z; spores rather minute, ellipsoid or rod-like, 2 X 4 m-
On Ammiaceae :
Heradeum lanatum Michx., Ontario.
Type locality: London, Ontario, on Heradeum lanatum.
Distribution: Known only from the type locality.
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cc-by-nc-sa-3.0
bibliographic citation
Fred Jay Seaver. 1922. PHYLLOSTICTALES; PHYLLOSTICTACEAE (pars). North American flora. vol 6(1). New York Botanical Garden, New York, NY
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