656 Wisconsin Academy of Sciences, Arts, and Letters. 
2 Ascochyta achlyicola Ell. & Evht. 
Proc. Acad. Nat. Sci. Phila. 1894, p. 364. 
Spots suborbicular or irregular with a sordid more or less 
deciduous center and a broad, shaded, purple margin, 3-15 mm. 
in diameter; pycnidia few, epiphyllous, innate-prominent, 75/* in 
diameter; sporules elliptical, hyaline, binucleate soon becoming 
uniseptate, 5-8 x 2%-3^. On Achlys triphylla. 
3 Ascochyta actaeae (Bres.) Davis. 
Actinomena actaeae Allesch. Stagonosporopsis actaeae Died. 
Marssonia actaeae Bres. 
On indefinite, blackened, dying areas of the leaves, the cuticle 
on the upper surface of which is sometimes wrinkled in dendritic 
lines; pycnidia mostly epiphyllous, scattered, succineous, globose, 
100-130/* in diameter, the walls at first hyphal but at maturity 
formed of flat polygonal cells, without ostiolar thickening; 
sporules hyaline, cylindrical with rounded ends, straight or 
somewhat curved 1- (1-2) septate, 17-24x5-6/* (12-28x6-7^). 
On leaves of Actaea rubra. 
4 Ascochyta ampelina Sacc. Mich.l :158. 
Spots epiphyllous, angular, dark bordered, becoming whitish; 
pycnidia scattered, punetiform, lenticular, ostiolate, 70/* in dia¬ 
meter; sporules oblong-fusoid, pale olivaceous, uniseptate, not 
constricted, 10 x 3/*, rarely 12-15 x 3-3^2/*, 2-3 septate. On Vitis. 
5 Ascochyta asclepiadis Ell. & Evht. 
Proc. Acad. Nat. Sci. Phila. 1894, p. 364. 
Spots amphigenous, suborbicular, grayish with darker zones 
and a shaded dark brown border, %-l mm.; pycnidia epiphyl- 
lous-innate, ostiolate, black, 100-110^ in diameter; sporules 
oblong-elliptical to ovate-elliptical, hyaline, becoming faintly 
uniseptate, 6-8 x 3/*. On Asclepias syriaca. 
6 Ascochyta aspidistrae. Massee. 
Diseases of Cultivated Plants (1910) p. 431, fig. 133. 
Spots large, irregular, bleached; pycnidia grouped in blackish 
streaks which run across the leaf and not along its length; 
sporules narrow-fusiform, uniseptate, 10-11 x 3-4^. On leaves 
of Aspidistra lurida. 
