208 MISSOURI BOTANICAL GARDEN. 
USTILAGINACEAE. 
Ustivaeo Reriana, Kuehn.— Sacc. Syll. 7: 471. 
Flores (1540,—on Zea Mays). 
TILLETIA DECIPIENS, Koern.— Sace. Syll. 7: 482. 
Flores (1540, 6). San Miguel (1540, c; Car- 
reiro).— On forms of Agrostis Castellana. 
ENTOMOPHTHORACEAE. 
Empusa Muscaz, Cohn ?.— Sacc. Syll. 7: 281. 
Flores.— On house flies. 
Though numerous dead flies were observed adhering to the walls 
as is usual with those attacked by this fungus, my one collection 
(1540, a) does not show the latter. 
MUCORACEAE. 
Ruizorus nigricans, Ehrenb.— Sacc. Syll. 7: 212. 
Flores (1540, c,— on cooked corn). 
PERISPORIACEAE. 
SPHAEROTHECA PANNOSA, Lévy. ? — Sacc. Syll. 1: 3. 
San Miguel (1543,— conidia only, on cultivated 
Rosa). 
ErysIPHe communis, Fr.? —Sacc. Syll. 1: 18. 
Flores (1542, 1542, a). Sta. Maria (1542, > ).— Ce- 
nidial stage only, all on Rumex Acetosella. 
E. tamprocarPaA, Lév., f. NicorranaE ? — Sacc. Syll. 1: 16. 
Corvo (1542, c,— conidial stage only — Oidium. 
Tabaci, Thuem.,— on Nicotiana Tabacum ). 
E. necator, Schw ?— Sacc. Syll. 1: 22. 
Flores (1541,— conidia only, on berries of culti- 
vated Vitis vulpina). 
SPHAERIACEAE. 
METASPHAERIA NOBILIS, Sacc.— Sacc. Syll. 2: 169. 
San Miguel (1541, c,— on Viburnum Tinus, var. 
