HITCHCOCK — PLANTS OF AMES, IOWA. 495 



R. FLORIDUM, L'Her. Stirp. i. 17S4. 

 Woods; not uncommon. 



CRASSULACEJE. 



Pentiiorum sedoides, L. Spec. 

 Wet places ; common. 



JfALORAGEA!:. 



Myriophyi.lum spicatum, L. Spec. 

 Ponds; scarce. 



Rig Prairie; abundant at Cairo lake and all tlie hirtfer ponds in the county. 



Prosrrpinaca palustris, L. Spec. 



Ponds; scarce. 



LTTHKACE.E. 



Ammannia coccinea, Rottb. PI. Hort. lar. 1773 (fide Koehne). 

 Sloughs and river banks; scarce. 



Lythruini ALATu:\r, Pursh, Kl. 



Low ground ; abundant. 



ONAGRACE^E. 



LuuwiGiA POLYCARPA, Short & Petei-, PI. Ky. 2d suppl. 1835. 

 ^^'et places; frequent. 



Epilobium lineare, Mnhl. Cat. 



Wet places; scarce. 

 E. COLORATUM, Muhl. ill Willd. Euura. 



Low ground; abundant. 



E. ADENOCAULON, Hausskii. in Oesterr. bot. Zeitschr. xxix. 1879. 

 Wet places ; frequent. 



GUnothera biennis, L. Spec. 



Neglected ground ; abundant. 

 <E. rhombipetala, Niitt. in Terr. & Gray, Fl. i. p. 493. 



Sandj soil; abundant along sand-hills south of Northwest School. 

 <IE. SERRUIiATA, Nutt. Geu. 



Drv clay soil ; infrequent. 



CiRC.E.A LuTETiANA, L. Spec. 



Woods ; abundant. 



C UC UR I'.ITA CE-E. 



EcHiNOCYSTis ECHINATA (Mulil.) B. S. P. C^t. — Mornordicci echl- 

 nata, Muhl. Ind. Fl. Lane 1793. 

 Banks of streams; frequent. 



FICOIDE^. 



MOLI.UGO VERTTOII.LATA, L. SpeC. 

 Sandj places; common. 



