32 NORTH AMERICAN FLORA [VOLUME 6 
brown, visible on either side of the leaf but less distinct on the under side, reaching a diameter 
of 5 mm., often smaller or rarely larger; pycnidia scattered over the infected spot, usually 
restricted to the upper side of the leaf, reaching a diameter of 100-125 u; spores ellipsoid, 
4-4.5 X 6-8 », granular within. 
Phoma Bataiae is said by Harter & Field (Phytopathology 2: 123. 1912) to be the conidial 
stage of a Diaporthe. 
On CONVOLVULACEAE: 
Ipomoea Batatas (L.) Lam. (Batatas edulis Choisy) (cult.), Alabama, Kansas, Louisiana, 
New Jersey, North Carolina, South Carolina. 
TYPE LOCALITY: Europe. 
DIsTRIBUTION: New Jersey to Alabama, Louisiana, and Kansas; also in Europe. 
ILLUSTRATIONS: U.S. Dep. Agr. Farm. Bull. 714: f. 14. 
Exsiccati: Ellis, N. Am. Fungi 1155; Rav. Fungi Am. 264. 
99. Phyllosticta tenerrima Ellis & Ev. Proc. Acad. Phila. 
1893: 156. 1893. 
Spots small, circular or subcircular, several often confluent, the tissue of the infected 
spot whitish and very thin and translucent, surrounded by a very narrow elevated rim, indi- 
vidual spots reaching a diameter of 1-2 mm.; pycnidia scattered over the infected spot, reach- 
ing a diameter of 60-100 u; spores ellipsoid, 2-4 * 6-10 nu. 
On CARYOPHYLLACEAE: 
Saponaria officinalis L., Ontario. 
Type LocaLiry: London, Ontario, on Saponaria officinalis. 
DisTRIBsuTION: Known only from the type locality. 
100. Phyllosticta verbenicola Martin, Jour. Myc. 2: 26. 1886. 
Spots pallid, with a reddish-brown border, reaching a diameter of 1-2 mm.; pycnidia 
few on each spot, dark-brown, lenticular in form, occurring on either side of the leaf, reaching 
a diameter of 140 u; spores subhyaline, ellipsoid, 3 X 9 nu. 
ON VERBENACEAE: 
Verbena hastata 1,., New Jersey. 
TYPE Locality: New Jersey, on Verbena hastata. 
DistTRIBUTION: Known only from the type locality. 
101. Phyllosticta Lappae Sacc. Michelia 1: 151. 1878. 
Spots small, subcircular or angular, reaching a diameter of 1-2 mm., white or whitish, 
with a brown, slightly raised border; pycnidia few, small, scattered over the infected spot, 
mainly on the upper surface of the leaf, reaching a diameter of 70-120 u; spores numerous, 
ellipsoid, 3 X 6-8 yu. 
On CARDUACEAE: 
Arctium Lappa L. (Laeppa major Gaertn.), Ohio; Ontario. 
TYPE LOCALITY: Europe, on Lappa minus. 
DISTRIBUTION: Ohio to Ontario. 
Exsiccatli: Ellis, N. Am. Fungi 1166. 
102. Phyllosticta fatiscens Peck, Ann. Rep. N. Y. State Mus. 
40:58. 1887. 
Phyllosticta Orontit advena Ellis & Ev. Jour. Myc. 5: 146. 1889. 
Spots large, subcircular or irregular, pale-yellow, marked with concentric rings, reaching 
a diameter of 1-2 cm., or occasionally larger, equally visible on either side of the leaf; pyc- 
nidia mainly on the upper side of the leaf, reaching a diameter of 100; spores ellipsoid, 
straight or unequal-sided, 3-4 X 6-10 u. 
On NYMPHAEACEAE: 
Nymphaea advena Soland. (Nuphar advena R. Br.), New York, Wisconsin. 
Type Locality: Argusville, Schoharie County, New York, on Nuphar advena. 
DistRIBUTION: New York and Wisconsin. 
103. Phyllosticta Dictamni Fairman, Ann. Myc. 8: 324. 1910. 
Spots irregular, occurring on the tips or margins of the leaves, white or light-brown im 
