28 
EIGHTH REPORT. 
Peronospora myosotidis DeBary. On .My oho ( is verna L. Ann Arbor, 
May-June, fide L. N. J. 
Peronospora parasitica (P.) DeBary. On Dentaria laciniata Mulii. 
et Lepidium Virginicum L. May-June, fide Merrow. 
Peronospora potentillae DeBary. On Potentilla Norwegica L. Ann 
Arbor, May, fide Spalding. 
Phytophthora infestans (M.) DeBary. On Solanum tuberosum. 
Plasmopora Halstedii (Farl.) Berl. On Eupatorium purpureum, 
L., etc. July-Sept., fide Spalding. 
Plasmopora pygmaea (Unger) Scliroet. On Anemone Pennsyl- 
vanica L. et A. nemorosa L. May 13-18, fide Spalding. 
Plasmopora vitic-ola (B. C.) Berl.'& Detoni. On cult. Yitis sp. 
Mich. Agr. College, fide Wheeler & Beal. 
Plasmopora obdueens Schroet. On Impatiens fulva Muhl. May 13. 
Plasmopora nivea (Ung.) Scliroet. var. Geranii. Farlow. On 
Geranium sp., fide Farlow. 
Mucoraceae. 
Mucor ambiguum Yuill. On mummied plums. Ann Arbor, Mar., 
fide Pollock. 
Mucor mucedo Linnd. Laboratory cultures. Ann Arbor, fide C. H. K. 
Mucor mucilagineus Bref. Probably a variety of the type from 
which it differs slightly. On decaying fungi. Summer, fide C. 
II. K. 
Mucor spinosus Van Tiegh. On rat dung. Holland, Mich., fide 
A. J. Pieters. 
Rhizopus nigricans Ehr. On cultures in Laboratory. 
Sporodinia grandis. Lk. On decaying fungi. Summer, fide C. 
H. K., etc. 
Thamnidium elegans Lk. On rat dung. Dec., fide L. K J. 
Entortyophthoraceae. 
Empusa muscae (Fr.) Cohn. On house flies. Ann Arbor, fide C. 
H. K. 
Empusa sphaerosperma (Fres.) Thax. On clover weevil. Ann Ar¬ 
bor, May 10, fide L. N. J. 
ASCOMYCETES. 
Greoglossaceae. 
Geoglossum ophioglossides (Linnd) Sacc.= (G. glabrum Pers.) 
Ground in hemlock woods. Emmet County, July 28,* fide Durand. 
Geoglossum fallax Durand (in ed.). Ground in hemlock woods. 
Emmet County, July, fide Durand. 
Geoglossum hirsutum Pers.— (Trichoglossum americanum (Cke.) 
Durand (in ed.). Ground, hemlock woods. Emmet County, Sept. 
4, fide Durand. 
Spatlmlaria velutipes. Cke et Farlow. Ground, in hemlock woods. 
Emmet County, Aug., fide Durand. 
Helvellaceae. 
Cudonia circinans. (Pers.) Fr. In hemlock swamp. Emmet 
County, Aug. 4, fide Durand. 
* The specific dates refer to the first collection of that particular fungus during the season. Often 
this is approximately the earliest date, rarely the fungus may have been common before. 
