PLANTS OF IOWA 57 



669. U. pyriformis, Cke. 

 On Acorus calamus, L. 



670. U. rudbeMce, Arthur and Hoi way. 

 On Eudbeckia laciniata, L. 



671. U. sparganii, C. & P. 



On Sparganium eurycarpum, Engelm. 



672. U. toxidendri, R. & R. 



On Rhus toxicodendron, L. 



673. U. trifolii, (Hedw.) Lev. 



Abundant in September on TrifoUum pratense. 



674. U. appendiculatus, (Pers.) Link. 



Abundant on Strophostyles angulosa. Bean rust. 



675. U. digitalus, Halstead. 



On leaves of Leersia virginica. 



676. U. cephulce, Farl. 

 Smut on onions. 



PUCCINIA, Pers. 



677. P. amorplice, Curtis. 



On Amorpha fruticosa, L. ; A. canescens, Nutt; A. mi- 

 cropliylla, Pursh. 



678. P. andropogi, Schw. 



On Andropogon furcatus, Muhl. ; A. scoparius, Michx. 



679. P. anemones-virginiance, Schw. 



On Anemone cylindrica, Gr. ; A. virginiana, L. 



680. P. angustata, Peefl. 



On Cyperus strigosus, L. 



681. P. asteris, Duby. 



On Aster novce-anglice, L. ; A. azureus, Lind. 



682. P. arundinarlce, Schw. 



On Spartina cynosuroides, Willd. 



683. P. calthae, Link. 



On Caltha palustris, L. 



684. P. caricis, (Schum) Wint. 



On Car ex strieta, Lam,; C. adusta, Boott., and C. stra- 

 minae, Schk. 



685. P. circcece, Pers. 



On Circaea lutetiana, L. 



