Davis—Notes on Parasitic Fungi in Wisconsin — X. 285 
two of the cells is divided by a vertical septum. She is quite sure 
that these are a further development of the sporules represented 
in fig. 1.] 
Fig. 2. Selected sporules from leaf of Quercus Mcolor kept in a moist cham¬ 
ber. Drawn by Helen Johann with the aid of camera lucida. 
Bamularia tanaceti Lind. On Tanacetum vulgare. Fennimore. 
Epiphyllous tufts sometimes occur. 
Cercosporella celtidis (Ell. & Kell.) n. comb. {Bamularia 
celtidis E. & K. Journ. My col. 1: 75). On Celtis occidentalis. 
Bank of Wisconsin river opposite Boscobel. Well characterized 
by the short conidiophores. The slender, filiform conidia up to 75ju, 
in length are more nearly of the Cerosporella type. To their de¬ 
scription the authors appended the statement ‘ ‘ approaches Cercos- 
pora’k 
Of a collection on ash leaves in 1921 the following notes were 
made: Spots epiphyllous, orbicular, sordid white with a reddish 
brown to black border, 1-2 mm. in diameter; conidiophores fuscous, 
single or in small fascicles, more or less irregularly undulate and 
finely denticulate toward the apex, simple, septate, 40-100x3/x; 
conidia brown, uniseptate, about 13x4/x. On leaves of Fraxinus 
pennsylvanica. Blue River. This has been provisionally labeled 
Cladosporium simplex Schw. of which I have not seen an authentic 
specimen. It may be that the Cladosporium is not the cause of 
the spots. 
Cladosporium astericola Davis. ' On leaves of Solidago serotina. 
Lone Rock. 
Cercospora moUugiiiis n. sp. Showing first small pallid spots 
but the infected leaves becoming sere and yellow before the appear¬ 
ance of the fasciculi which blacken the areas upon which they ap¬ 
pear; conidiophores amphigenous, fasciculate, fuligenous, suberect 
or sometimes curved, undulate or geniculate, simple, usually con- 
