Part 1, 1922] PHYLLOSTICTACEAE 15 
19. Phyllosticta astericola Ellis & Ev. Proc. Acad. Phila. 
1893: 157. 1893. 
Spots subcircular or more often irregular in form, yellowish-brown, a little paler in the 
center, the main spot surrounded by a pale-yellowish area, reaching a diameter of 2-5 mm., 
visible on the under side of the leaf as a pale-yellowish spot; pycnidia rather large, black, 
quite evenly scattered over the infected area, reaching a diameter of 150-200 u; spores abun- 
dant, fusoid or almond-shaped, 4-5 K 8-12 uw, granular within. 
On CARDUACEAE: 
Doellingeria umbellata (Mill.) Nees (Aster umbellatus Mill.), Wisconsin. 
TYPE LocALITy: Kenosha County, Wisconsin, on Aster umbellatus. 
DISTRIBUTION: Known only from the type locality. 
20. Phyllosticta Apocyni Trel. Prel. List Fungi Wis. 17. 
N 1884. 
Phyllosticta A pocyni Ellis & Martin, Am. Nat. 18: 1264. D 1884. 
Spots nearly circular in form, brown or yellowish-brown, becoming whitish with age. 
surrounded by a very uarrow, blackish, slightly elevated border, reaching a diameter of 2-3 
mm., visible on both sides of the leaf but more distinct on the upper surface; pycnidia few, 
scattered over the infected spot, black, reaching a diameter of 75-100 u, restricted to the 
upper side of the leaf; spores large, rather variable in form, ellipsoid, ovoid, pyriform, or 
subglobose, usually about 6-7 X 10 un, granular within. 
On APOCYNACEAE: 
Apocynum androsaemtfolium L., New York. 
Apocynum cannabinum L., New Jersey, Wisconsin. 
TYPE LOCALITY: LaCrosse, Wisconsin, on A pocynum cannabinum, 
DistRiButTion: New York and New Jersey to Wisconsin. 
Exsiccati: Ellis & Ev. N. Am. Fungi 2678; Ellis & Ev. Fungi Columb. 36 1, 565, 
21. Phyllosticta obscurans (Ellis & Ev.) F. Tassi, Bull. 
Lab. Bot. Siena 5:13. 1902. 
Phoma obscurans Ellis & Ev. Proc. Acad. Phila. 1894: 357. 1894. 
Spots with a ferruginous center and a broad purple border, paler on the under side of 
the leaf, reaching a diameter of 5-8 mm.; pycnidia few, scattered, prominent; spores ellip- 
soid, containing two oil-drops, 1.5-2 < 4.5-5.5 4; sporophores simple, lanceolate-fusoid, 
1.5 X& 8-12y. 
On ROSACEAE: 
Fragaria sp., New Jersey, West Virginia. 
TYPE LOCALITY: ‘Nuttailburg, West Virginia, on Fragaria sp. 
DistRIBUTION: New Jersey to West Virginia. 
Exsiccati: Ellis & Ev. N. Am. Fungi 3258. 
22. Phyllosticta Solani Ellis & Martin, Am. Nat. 16: 1002. 1882. 
Spots circular or subcircular, pale yellowish-brown, surrounded by a very narrow dark 
border outside of which is a yellowish area which gradually blends off into the healthy tissue 
of the leaf, reaching a diameter of 5 mm. to 1 cm., paler on the under side of the leaf; pyc- 
nidia rather thickly scattered over the infected spot, reaching a diameter of 90 u; spores 
numerous, ellipsoid, 2-2.5 X 9-18 nu. 
ON SOLANACEAE: 
Solanum carolinense L., Kentucky. 
Solanum Melongena I,. (cult.), Louisiana. 
TYPE LocaLity: Lexington, Kentucky, on Solanum sp. 
DIsTRIBUTION: Kentucky to Louisiana. 
23. Phyllosticta Amaranthi Ellis & Kellerm. Jour. 
, Myc. 1:4. 1885. 
Spots circular or subcircular in form, dark-brown, with a slightly elevated reddish-purple 
border, becoming paler near the center and sometimes whitish, about equally visible on both. 
sides of the leaf, reaching a diameter of 1-3 mm.; pycnidia scattered over the spot, usually 
