Part 1, 1922] PHYLLOSTICTACEAE 69 
ON Ma.aceéag: 
Crataegus erythropoda Ashe, New Mexico. 
Crataegus villipes Ashe (Crataegus Holmesiona Ashe), New York 
Crataegus sp. South Carolina. : 
TYPE LocaLity: Aiken South Carolina, on Crataegus sp. 
DISTRIBUTION: New York, South Carolina, and New Mexico. 
Exsiccatr: Rav. Fungi Am. 516. 
273. Phyllosticta convexula Bubak, Jour. Myc. 12:52. 1906. 
Spots brownish, indefinite or wanting: pycnidia thickly scattered among the perithecia 
of Sphaerella convexula (Schw.) Thiim., at first subepidermal, finally with the short necks 
becoming erumpent, black, reaching a diameter of 60-100 u: spores bacteroid, about 1X 
1.5-2 wn. 
On JUGLANDACEAE: 
Hicoria alba (L,.) Britton (Carya tomentosa Nutt.), Missouri. 
TYPE Locauitry: Emma, Missouri, on Carya tomentosa. 
DistTRIBUTION: Known only from the type locality. 
274. Phyllosticta erythrinicola E. Young, Mycologia 7: 146. 1915. 
Spots subcircular or more rarely irregular, white or whitish, surrounded by a narrow, 
brownish border which gradually blends off into the healthy tissue of the leaf, similar in 
appearance on either side of the leaf; pycnidia minute, mostly on the upper side of the leaf 
becoming superficial, reaching a diameter of 50-75 y; spores minute, about 1 X 2p. 
On FABACEAE: , 
Erythrina micropteryx Poepp., Porto Rico. 
TYPE LOCALITY: Villa Alba, Porto Rico, on Erythrina micropteryx. 
DistRIBuTION: Porto Rico. 
’ 
275. Phyllosticta minutissima Ellis & Ev. Proc. Acad. Phila. 
1891: 76. 1891. 
Spots subecircular or irregular, reddish-brown, surrounded by a yellowish area which 
gradually grades off into the healthy tissues of the leaf, with no sharply defined border, reach- 
ing a diameter of 5 mm., visibly on both sides of the leaf but much paler on the under side; 
pycnidia numerous, minute, rather thickly scattered over the infected spot, often congested 
so that the spots appear blackish, prominent, restricted to the under side of the leaf; spores 
numerous, very minute, ellipsoid, 0.5-1 XK 2p. 
On ACREACEAE: 
Acer Douglasit Hook., Montana. 
Acer glabrum Torr., Colorado, Nebraska, Wyoming. 
Acer pennsylvanicum L., New York, Pennsylvania. 
Acer saccharinum \,., Wisconsin. 
TYPE LocaLiry: Sioux County, Nebraska, on Acer glabrum. 
Disrrisution: New York and Pennsylvania to Montana and Colorado. 
Exsiccati: Ellis & Ev. Fungi Columb. /244; Barth. Fungi Columb. 2251, 3735, 4340, 
276. Phyllosticta Starbaeckii Sacc. & Syd. in Sacc. 
Syll. Fung. 14: 865. 1899. 
Sphaeria Corni Schw. Trans. Am. Phil. Soc. II. 4: 225, in part. 1832. : ; 
Piollosticte Corni Starb. Bih. Sv. Vet.-Akad. Handl. 19 (3)?: 46. 1894. Not Phyllosticta Corni 
Westend. 1867. 
Spots large, irregular, indeterminate, violaceous-cinereous or cinereous-brown; pyc- 
nidia occurring on the under side of the leaf, densely crowded, cespitose, mostly 2-3 con- 
fluent, globose or subglobose, reaching a diameter of 75-125 «; spores very minute, ellipsoid, 
hyaline, 0.5-1 X 1.5-2 u. 
On CoRNACEAE: : . 
Cynoxylon floridum (L..) Raf. (Cornus florida I,.), Pennsylvania. 
Type LOCALITY: Pocono, Pennsylvania, on Cornus florida. 
DIstRIBUTION: Known only from the type locality. 
