48 NORTH AMERICAN FLORA [VoLUME 6 
coloration of the leaf-surface, becoming whitish in the center, the purple area running into 
brown, reaching a diameter of 1-3 mm.; pycnidia black, sparingly scattered over the infected 
spot, at first covered. then erumpent, reaching a diameter of 100 uw, occurring on both sides of 
the leaf; spores ellipsoid, hyaline, 2.5-3 & 4.5-7 yu. 
On ANACARDIACEAE: 
Mangifera indica L., Veracruz. 
TYPE LOCALITY: Pueblo Viejo, Veracruz, on Mangifera indica. 
DISTRIBUTION: Known only from the type loc-_lity. 
176. Phyllosticta araliana E. Young, Mycologia 7: 148. 1915. 
Spots subcircular in form, whitish in the center, the tissue becoming very thin and trans- 
lucent, the white center surrounded by a yellowish-brown area, reaching a diameter of about 
5 mm., smaller and less distinct on the under side of the leaf; pycnidia few, scattered over the 
central portion of the infected spot, minute, black and becoming superficial; spores ovoid, 
slightly pointed at one end, 2-2.5 X 7-9 n. 
On ARALIACEAE: 
Dendropanax arboreum (L,.) Dec. & Planch., Cuba; Porto Rico. 
T'vPE LOCALITY: Maricao, Porto Rico, on Dendropaneax arboreum. 
DIstRIBUTION: Cuba and Porto Rico. 
177. Phyllosticta rhoicola Ellis & Ev. Proc. Acad. Phila. 
1894: 356. 1894. 
Spots subcircular, whitish, with a dark-brown or blackish border which gradually blends 
off into the healthy tissue of the leaf, reaching a diameter of 4~6 mm., visible on the under 
side but less distinct than on the upper surface; pycnidia few, scattered over the infected 
spot, restricted to the upper side of the leaf, reaching a diameter of 100-110 4; spores very 
numerous, ellipsoid or fusoid, usually containing two oil-drops, 2-3 X 5-6 yp. 
On ANACARDIACEAE: 
Toxicodendron radicans (L.) Kuntze (Rhus radicans L., Rhus Toxicodendron Michx., in part, 
not L.), West Virginia. : : 
Type LocaLiry: Nuttallburg, West Virginia, on Rhus Toxicodendron. 
DIstRIBUTION: Probably common though not often collected. 
178. Phyllosticta Parkinsoniae Ellis & Ev. Proc. Acad. 
Phila. 1891: 77. 1891, 
Spots small, nearly circular in form, with a slightly elevated border, reddish-brown to 
blackish, reaching a diameter of 1 mm.; pycnidia numerous, closely crowded or congested, 
reaching a diameter of 80-1104; spores ellipsoid, usually containing two small oil-drops, 
2X 468. 
On CAESALPINIACEAE: 
Parkinsonia aculeata L., Texas. 
‘Tyrr LocaLiry: San Antonio, Texas, on Parkinsonia aculeata. 
DISTRIBUTION: Known only from the type locality. 
179. Phyllosticta Grossulariae Sacc. Michelia 1: 136. 1878. 
Spots rather small, subcircular or slightly irregular in form, whitish, with a narrow, 
slightly elevated rim, reaching a diameter of 2-3 mm. or rarely larger, about equally visible 
on either side of the leaf; pycnidia scattered over the infected spot, mainly on the upper sur- 
face of the leaf, usually not exceeding a diameter of 50 u; spores abundant, ellipsoid or fusoid, 
1.5-3.5 X 5-7 w. 
ON GROSSULARIACEAE: 
Grossularia missouriensis (Nutt.) Cov. (Ribes missouriense Nutt.), Wisconsin. 
Ribes americanum Mill. (Ribes floridum L’Hér.), Wisconsin; Ontario. 
Ribes sp., Iowa. 
Typr Locality: Europe, on Ribes Grossularia. 
DISTRIBUTION: Ontario to Iowa; also in Europe. 
Exsiceati: Ellis & Ev. N. Am. Fungi 2764. 
