Sumstine: North American Hyphomycetes 
61 
1880. Saccardo has placed this in the genus Oviilaria and made 
it synonymous with O. isarioides. 
10. Thaxter, Jour. Mycol. 7 : 280. 1893. The 
first report of this species was in 1891.^® It very evidently does 
not belong to the genus Oospora as defined in this paper. I have 
not seen authentic specimens, but from the description it would 
seem better to establish a new genus for this species. 
Peabody High School, 
Pittsburgh, Pa. 
Explanation of Plate LXXXII 
AH the figures on this and the following plates were drawn with the aid 
of the camera lucida and are highly magnified. The drawings show the 
mycelium, sporophores and spores. 
1. Oidium aureum Link. 
2. Oidium simile Berk. Reproduced from Jour. Bot. 4: 310. PI. J2, 
fig. a, b. 
3-4. Oidium simile Berk. 
5. Oidium megalosporum Berk. & Curt. 
6. Oidium Murrilliae Sumstine. 
7—9. Acrosporium sp. 9 shows leaves of Platanus orientalis. 
lo-ii. Acrosporium Gossypii Sumstine. 
Explanation of Plate LXXXIII 
I. Oospora fructigena (Pers.) Wallr. 
2-3. Oospora Linhartiana (Sacc.) Sumstine. 
4. Oospora cinerea (Bon.) Sumstine. 
5-7. Oospora Martinii (Ellis & Sacc.) Sumstine. 7 reproduced from Fungi 
Ital. 849. 
8. Oospora Arthuri Sumstine 
9. Oospora fungicola (Ellis & Barth.) Sumstine. 
10. Oospora Cerasi (Tracy & Earle) Sumstine. 
Explanation of Plate LXXXIV 
1. Tortiloidea effusa Sumstine. 
2. Toruloidea Unangstii Sumstine. 
3. Toruloidea Tulipiferae (Ellis & Mart.) Sumstine. 
4. Toruloidea candidula (Sacc.) Sumstine. 
5. Malbranchea pulveracea (Ellis) Sumstine. 
6. Geotricimm candidum Link. 
7. Geotrichum cuboideum (Sacc. & Ellis) Sumstine. 
Ann. Rep. Conn. Agric. Ex. Station 8i. 1891. 
