Comprehensive Description
(
anglais
)
fourni par North American Flora
Phyllosticta halstedii Ellis & Ev. Jour. Myc. 5: 146. 1889
Spots circular or subcircular in form, reddish-brown, becoming whitish in the center
surrounded by numerous faint concentric rings, reaching a diameter of 1 cm., paler on the
under side of the leaf; pycnidia sparingly scattered over the infected spot, on either side of
the leaf but more numerous on the upper, reaching a diameter of 100-150 n spores fusoid-
ellipsoid, 5-7 X 15-20 /x.
On Oleaceae:
Syringa vulgaris E., New Jersey. Type locality: New Brunswick, New Jersey, on Syringa vulgaris. Distribution: Known only from the type locality.
- citation bibliographique
- Fred Jay Seaver. 1922. PHYLLOSTICTALES; PHYLLOSTICTACEAE (pars). North American flora. vol 6(1). New York Botanical Garden, New York, NY
