Part 1, 1922] PHYLLOSTICTACEAE 67 
263. Phyllosticta livida Ellis & Ev. Bull. Torrey Club 
24: 285. 1897. 
; Spots indefinite in outline but reaching a diameter of 1-2 cm., blackish on the upper 
side of the leaf and brownish below; pycnidia very numerous, covered by the epidermis which 
is raised into small pustules and occasionally ruptured; spores very minute, about 1 X 3 u. 
ON FaGackakE: 
Quercus Douglasit H. & A., California. 
Quercus macrocarpa Michx., Wisconsin. 
Quercus nigra L,. (Quercus aquatica Walt.), Florida. 
TYPE LOCALITY: Amador County, California, on Quercus Douglasii. 
DistRIBuTION: Wisconsin, Florida, and California. 
264. Phyllosticta castanicola Ellis & Ev. Proc. Acad. Phila. 
1895: 431. 1895. 
Spots circular or subcircular in form but rather indefinite in outline, reddish-brown, 
the color gradually blending off into the healthy tissues of the leaf, reaching a diameter of 
5 mm. to 1 cm., scarcely visible on the under side of the leaf; pycnidia immersed, erumpent 
through the epidermis, single or in clusters or rows, surrounded by the upturned edges of 
the broken epidermis, reaching a diameter of 100 », the pycnidial wall thick and tough; spores 
numerous, rod-like or allantoid, about 1 * 3-7 un. 
On FaGaceak: 
Castanopsis chrysophylla (Hook.) DC. (Castanea chrysophylla Hook.), California. 
TYPE LocaLity: Sisson, California, on Castanea chrysophylla. 
DisTRIBUTION: Known only from the type locality. 
265. Phyllosticta confertissima Ellis & Ev. Proc. Acad. Phila. 
1893: 455. 1893. 
Spots orbicular, definite in outline, of a uniform dark brick-red color, reaching a diameter 
of 4-6 mm.; pycnidia occurring on the under side of the leaf only, numerous, minute, reach- 
ing a diameter of 75 u, opening above, scarcely visible without the lens; spores allantoid, 
about 1 X 3-44. 
On ULMACEAE: 
Ulmus fulva Michx., Kansas. 
Type LocaLity: Louisville, Kansas, on Ulmus fulva. 
DistRisuTIon: Known only from the type locality. 
266. Phyllosticta melaleuca Ellis & Ev. N. Am. Phyllost. 43. 1900. 
?Phyllosticta ulmicola Sace. Michelia 1: 158. 1878. 
Spots irregular or subangular, often bounded by the veins and veinlets of the leaf, reach- 
ing a diameter of 4-8 mm., cinereous in the center, darker around the outer border, visible 
on both sides of the leaf, rusty-brown on the under side; pycnidia sparingly scattered over 
the infected spot, erumpent, reaching a diameter of 100-120 u; spores subglobose to ellip- 
soid, 3 » in diameter, or 2-2.5 X 3-4 un. 
On ULMACEAE: 
Ulmus americana \., Alabama. | 
Ulmus racemosa Thomas, Wisconsin. : 
Type LOCALITY: Tuskegee, Alabama, on Ulmus americana. 
DISTRIBUTION: Known only from the type locality. 
267. Phyllosticta Celtidis Ellis & Kellerm. Jour. Myc. 4: 27. 1888. 
?Phyllosticta destruens Desmaz. Ann. Sci. Nat. ITI. 8:31. 184. 
Spots subcircular or more or less irregular, pale yellowish-brown or cinereous, reaching 
a diameter of 5 mm. to 1 cm., the main spot surrounded by a pale yellowish area, about equally 
visible on either side of the leaf; pycnidia numerous, minute, black, evenly distributed over the 
infected spot, restricted to the under side of the leaf, reaching a diameter of 80»; spores 
abundant, about 1-2 X 3-4. 
