Davis—Notes on Parasitic Fungi in Wisconsin—VI. 707 
ADDITIONAL HOSTS. 
Albugo Candida (Pers.) 0. Kuntze. On Arabis canadensis . 
Friendship. 
Plasmopara halstedii (Farl.) Berl. & DeToni. On Ambrosia 
psilostackya. Adams. 
Peronosporai trifoliorum D By. On Lupinus perennis. Mill- 
ston. 
Lophodermium pinastri (Schrad.) Chev. On Finns resinosa. 
Black River Falls. 
Pseudopeziza autumnalis (Fckl.) Sace. On Galium Claytoni. 
Shioeton. This fnngns was erroneously listed as Ps. repanda 
in the provisional list. 
Exoascus communis Sadeb. On fruit of Prunus pumila. 
Two Rivers. 
Phyllosticta cruenta (Fr.) Kickx. On Polygonatum com - 
mutatum. Darwin. In this collection the sporules are 13-21 x 
A-6/x. The spots appear to have been caused by leaf miners and 
have a very narrow border. 
Phyllosticta decidua Ell. & Kell. On Galeopsis Tetrahit ac¬ 
companying Septoria galeopsidis. Kewaunee. That this is dis¬ 
tinct from species that have been described as occurring on 
Labiates in Europe seems open to question. In this collection 
the sporules are 6-9 x 2^-3^ often contain 2 or 3 guttulae and 
not infrequently there is a median division of the cytoplasm. 
On Humulus Lupulus. Black River Falls. 
Ascochyta thaspii. E. & E. var. lycopina* 
Spots suborbicular to angular, blackish brown above, lighter 
below, becoming paler in the center, immarginate, 3-10 mm. in 
diameter; pycnidia few, scattered, usually innate, ostiole di¬ 
rected toward the upper surface of the leaf, very inconspicuous; 
sporules hyaline or smoky tinged, cylindrical with rounded ends, 
uniseptate, not constricted, 16-24 x 7-9^. On leaves of Lycopus 
uniflorus. Two Rivers, July, Shioeton, August, 1917. 
Darluca filum (Biv.) Cast. In telia of Kuehneola uredinis 
on Rubus hispidus, Millston and those of Puccinia curtipes Howe 
on Heuchera hispida. Hixton. These are the only exceptions 
* Duplication of v. 700. 
