40 NORTH AMERICAN FLORA [VOLUME 6 
139. Phyllosticta congesta Heald & Wolf, Mycologia 3: 8. 1911. 
Spots small, numerous, brown, reaching a diameter of 0.5 to 0.8 mm., bounded by the 
veins and veinlets of the leaf, scarcely visible on the under side of the leaf; pycnidia a single 
one in the center of each spot; spores globose or slightly elongate, hyaline, reaching a diam- 
eter of 6-9 yu. 
On AMYGDALACEAE: 
Prunus triflora ‘Abundance’ (cult.), Georgia. 
Prunus sp., Texas. 
TYPE LOCALITY: Boerne, Texas, on Prunus sp. 
DistRIBuTION: Georgia and Texas. 
140. Phyllosticta arbutifolia Ellis & Martin, Jour. Myc. 
2: 129. 1886. 
Spots small, subcircular in outline, white or whitish, surrounded by a narrow yellowish 
area which blends off into the healthy tissues of the leaf, scarcely exceeding 1 mm. in diam- 
eter, visible only on the upper side of the leaf; pycnidia few, scattered over the infected spot, 
mintite, black, reaching a diameter of 70-80 4; spores not very abundant, subglobose or pyri- 
form, reaching a diameter of 6-8 u the longest way. 
ON MaLacEAE: 
Aronia arbutifolia (L,.) Ell. (Pyrus arbutifolia L.), New Jersey. 
TYPE LOCALITY: Newfield, New Jersey, on Pyrus arbutifolia. 
DIstRIBUTION: Known only from the type locality. 
ExsiccatTi: Ellis & Ev. N. Am Fungi 1725, 
141. Phyllosticta toxica Ellis & Martin, Am. Nat. 16: 1002. 1882. 
Spots rather small, numerous, nearly circular in form, whitish in the center and dark- 
brownish or blackish around the outside, reaching a diameter of about 2 mm.; pycnidia few, 
small, reaching a diameter of 70 u; spores subglobose, about 6-7 w in diameter, densely granu- 
lar within. 
On ANACARDIACEAE: 
Toxicodendron radicans (1,.) Kuntze (Rhus radicans U,., Rhus Toxicodendron Michx., in part, 
not L.), Iowa. 
TYPE LOCALITY: Decorah, Iowa, on Rhus Toxicodendron. 
DisTRIBUTION: Iowa. 
Exsiccati: Ellis, N. Am. Fungi 1162. 
142. Phyllosticta Gaultheriae Ellis & Ev. Jour. Myc. 1: 153. 1885. 
Spots subcircular and definite in outline, at first reddish-brown, becoming cinereous 
on the upper side of the leaf, surrounded by a dark, slightly elevated rim, reaching a diameter 
of 3-4 mm.; pycnidia rather thickly scattered over the infected spot, erumpent through the 
epidermis, reaching a diameter of 100-115 »; spores subglobose to ellipsoid, about 6 » in di- 
ameter, or 4-5 X 5-7 p. 
On ERICACEAE: 
Gaultheria procumbens I,., New Jersey 
Gaultheria Shallon Pursh, California, Oregon, Washington; British Columbia. | 
TypPé LOCALITY: Newfield, Ne ew Jersey, on Gauliheria procumbens. 
DiIstRIiBUTION: New Jersey: British Columbia to California. 
Exsiccatr: Ellis& Ev. N. Am. Fungi 1619, 1966; Ellis & Ev. Fungi Columb. 358; Barth. Fungi 
Columb. 3160. 
143. Phyliosticta rubra* Peck, Ann. Rep. N. Y. State Mus. 
35: 138. 1884. 
Spots small, angular or irregular, sometimes confluent, red or reddish-brown, usually 
reaching a diameter of 1-2 mm.; pycnidia 1-5 on each spot, occurring on the upper side of 
the leaf, minute, black; spores broad-ellipsoid or subglobose, 6 X 8 w, hyaline. 
ON MALacEAE: 
Crataegus Calpodendron (Ehrh.) Medic. (Crataegus tomentosa DuRoi), New York. 
TYPE LocaLITy: New York, on Crataegus tomentosa, 
DistRiBuTION: New York and reported from Kansas on CGiitaceus Sangnined, 
* This was printed as Phyllosticta Crataegt and changed in all of the copies of Peck’s 
reports examined to Phyllosticta rubra, apparently to avoid conflict with Phyllosticta Crataegi 
(Cooke) Sacc. 1884. 
