IOWA ACADEMY OF SCIENCE 
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161. Ueocystis anemones (Pers.) Winter. 
On Anemone quinquefolia L., and Hepatiea acutiloha DC. (H. acuta Britton.) 
Abundant in early spring. On Anemone frequently associated with other 
fungi. 
162. Entyloma austeale Speg. [E. Physalidis (Klachb. & Cooke) Winter, 
E. Besseyi Farl.] 
On Physalis pruniosa L. ^ 
Abundant throughout the summer, partially defoliating the host. 
163. Entyloma compositaeum Farl. 
On Ambrosia art emisiae folia L., A. trifida L., A. trifida integrifolia (Muhl.) 
T. & G. Bidens frondosa L., and Lepachys pinnata (Vent.) T. & G. (Ratbida 
Barnh.) 
Common and abundant throughout the summer. 
164. Entyloma Menispeemi Farl & Trel. 
On Menispermium eanadense L. 
Rare, in late autumn. 
165. Entylona Nymphaeae (D. D. Cunn.) Setch. 
On Castalia tuber osa (Paine) Greene. 
Not common. Collected in late July. 
166. Entyloma polyspoeum (Peck.) Farl. 
On Ambrosia trifida L. 
Not common, throughout the summer. 
167. Entyloma Saniculae Peck. 
On Sanicula sp. 
Not common on the root leaves in early spring. 
168. Doassansia defoemans Setch. 
On Sagittaria latifolia Willd, 
Common and rather abundant on scapes, peticles, and leaves producing very 
prominent hypertrophy of the host. Late summer and autumn. 
OEDEE UEEDINIALES 
Family Goleosporiaceae. 
169. CoLEOSPOEiuM SoLiDAGiNis (Scliw.) Thuem. 
On Aster cordifolius L., A. punieeus L., A. sp. indet., Solidago eanadensis L., 
S. latifolia L. (>S'. flexicaulis L.), and S', serotina Ait. 
One of the most abundant of our rusts, and one with an exceptional range of 
hosts. Midsummer and autumn. 
Family Melampsoraceae. 
170. Melampsoea Btgelowii Thuem [M. farenosa (Pers.) Schroet.] 
On Salix amygdaloides Anders., S. humilis Marsh., /S', interior Rowlee, B. 
longifolia Muhl. (S. fluviatilis auth., not Nutt.), and 8. lucida Muhl. 
Common during summer and autumn on willows. 
