56 NORTH AMERICAN FLORA (VoLUME 6 
of the leaf; pycnidia few, scattered, minute; spores scant, 2-3.5 X 7-8 (often difficult to 
find in material examined). 
ON BETULACEAE: 
Corylus americana Walt., Missouri. 
Corylus rosirata Ait., Washington; Ontario. 
TYPE LOCALITY: Europe, on Corylus Avellana. 
DISTRIBUTION: Ontario, Missouri, and Washington; also in Europe. 
Exsiccatr: Ellis & Ev. N. Am. Fungi 2682. 
213. Phyllosticta mahoniaecola Pass.; Brunaud, Rev. Myc. 
8: 140. 1886. 
Spots large, indefinite, finally occupying the entire leaf; pycnidia scattered, occurring 
on the upper side of the leaf, covered with the epidermis of the leaf, finally slightly erumpent; 
spores ellipsoid, hyaline, containing two oil-drops, 2.5 X 75-8 p. 
ON BERBERIDACEAE: 
Mahonia sp., New York. 
TYPE LOCALITY: Europe, on Mahonia japonica. 
DIstRiBuTION: New York; also in Europe. 
214. Phyllosticta altheina Sacc. Michelia 1: 143. 1878. 
Spots irregular and rather indefinite, yellowish-brown and surrounded by a pale-yellowish 
area, the main spot reaching a diameter of 2-3 cm., visible on either side of the leaf but more 
distinct on the upper side; pycnidia numerous and thickly ‘scattered over the infected area, 
reaching a diameter of 100-125 yu, the osticlum large and conspicuous; spores ellipsoid, about 
3X 6-8un. 
On MALVACEAE: 
Althaea rosea Cay., West Virginia. 
TYPE LocaLity: Europe, on Althaea rosea. 
DISTRIBUTION: West Virginia; also in Europe. 
215. Phyllosticta hederaecola Dur. & Mont.; Mont. Syll. Crypt. 
279. 1856. 
Spots subcircular, occurring on the upper side of the leaf, dry, becoming white, with 
a brown margin, reaching a diameter of 1-2 cm.; pycnidia prominent; spores ellipsoid, con- 
taining two oil-drops, 2.5 X 6 nu. 
On ARALIACEAE: 
Hedera Helix L. (cult.), New Jersey. 
TyrE LocaLity: Algeria, on Hedera sp. 
DIstTRIBUTION: New Jersey; also in Europe and North Africa. 
216. Phyllosticta latifolia Ellis & Ev. Proc. Acad. Phila. 
1893: 454. 1894. 
Spots subcircular or ellipsoid, reddish-brown, rather distinctly marked with concentric 
lines, surrounded by a dark-brown or brownish-black border which gradually blends off into 
the healthy tissues of the leaf, reaching a length of 1 cm. or more and about half as broad, 
visible on both sides of the leaf but more distinct on the upper side; pycnidia few, sparingly 
scattered over the surface of the infected area, restricted to the upper side of the leaf, reaching 
a diameter of 150-200 4; spores abundant, long-ellipsoid, 2-3 * 6-8 x. 
On ERICACEAE: 
Kalmia latifolia L.., Mississippi, New Jersey. 
TypE LocaLity: Newfield, New Jersey, on Kalmia latifolia. 
DistRisuTION: New Jersey and Mississippi. 
Exsiccati: Ellis & Ev. N. Am. Fungi 2938. 
217. Phyllosticta caricicola Sacc. & Scalia; Sacc. Harriman 
Alaska Exp. Crypt. 21. 1904. 
Spots becoming dry, indefinite in outline, mostly on the under side of the leaf; pycnidia 
