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IOWA ACADEMY OF SCIENCE 
209. PucciNiA Claytoniata, (Schw.) Arth. 
I, III on Glaytonia virginica L. 
Common and abundant, the secia appearing with the flowers and the telia 
with the ripening seeds. Uredinia wanting. 
210. PucciNiA Convolvuli (Pers.) Cast. 
I, II, III on Convolvulis sepium L. 
The secia appear in early summer, while the telia persist till frost. Common. 
211. PucciNiA Eatoniae Arth. 
I on Ranunculus ahortivus L. 
Not common, but the infection usually abundant. 
212. PUCCINIA Eleochaeidis Arth [Aecidium tenue Schw.] 
I on *Eupatorium purpureum L. 
Only a few sori found and these in a comparatively dry woods. 
213. PucciNiA EMACULATUM Schw. 
II, III on Pa7iicum capillare L. 
Common and abundant. 
214. PUCCINIA EPIPHYLLA (L.) Wettst. 
II on Poa pratensis L. 
Pound in but one locality, but quite abundant there. 
215. PucciNiA FEAXiNATA (Schw.) Arth. [P. arundinariae Schw., Aecldtum 
Fraxini Schw.] 
I on Fraxinus americana L. 
III on Spartina cynosuroides (L.) Willd. 
A single sorus of the secial stage found and only a scant infection of telia, 
216. PUCCINIA Helianthi Schw. 
I on Helianthus tracJieliifolius Mill., and H. strumosus L. 
II, III on Helianthus annuus L., H. decapetalus L., H. doronicoides Lam., and 
H. grosseserratus Martens. 
Abundant throughout the summer. 
217. PUCCINIA Hydeophylli Cooke & Peck. 
Ill on Hydrophyllum virginicum L. 
Collected in but one station in early spring. Probably the other spore forms 
are wanting. 
218. PucciNiA Impatientis (Schw.) Arth. .[Aecklium Impatientatum Schw.'] 
I on Impatiens aurea Willd. 
Ill on Flymus canadensis L. 
Neither collection of this species represented an abundant infection. 
219. PUCCINIA Kuhniae Schw. 
II, III on Kuhnia eupatorioides L. 
Not abundant. Aecia wanting. 
