PLANTS OF IOWA 2$ 



216. M. syzygites, D. Bg. 



On decaying toad-stools. 



217. M. racemosus, Fres. 



On decaying plums and fermenting liquor. 



218. M. mucedo. 



Common on decaying vegetable matter. 



PILOBOLUS. 



219. P. cr-ystallinus, Tode. 



Common on horse dung in mid-summer. 



RHIZOPUS. 



220. R. nigricaus. 



Common mould on bread. 



EUTOMOPHTKOREA FAMILY. INSECT FUNGL 



EMPUSA. 



221. E. muscea, Fres. 

 Common on flies in autumn. 



EUTOMPHOTHORA. 



222. E. radicaus. 



On cabbage butterfly. 



223. E. calopteus, Bessey. 



On Rocky Mountain locust. 



SAPROLEGNIACE.& FAMILY. WATER MOULDS. 



SAPROLEGNJA, Nees (Esenb.) 



224. S. ferix, (Gruith) Thuret. 



On Algse and dead fish. 

 ACHLYA, Nees ab Esenb. 



225. A. amcricana, Sp re. (A. prolefera.) 

 On dead insects in water. 



LEPTOMITUS, Agardth. 



226. L. lacteus, (Roth) Ag. 



On decaying animal and vegetable matter in water. 



PERONOSPOREJE FAMILY. DOWNY MILDEWS. 

 PHYTOPHTHORA. 



227. P. infestans, DeBy 



The "potato rot." Destructive in wet seasons. 



