278 IOWA ACADEMY OF SCIENCE Vol. XXVI, 191!) 



SMILACINA. 



S. racemosa : common in rich woods. 



S. stellata : common in rich woods. 



POLYGONATUM. 



P. biflorum : common in rich woods. 

 P. conimutatum : common in rich woods. 



TRILLIUM. 



T. grandiflorum : rich woods, rare. 

 T. cernuum: rich woods, common. 

 T. nivalc : rich woods, common. 



T. undiilatmn : Rockford, Iowa, collected by Mahlon Palmer of 

 Charles City, Iowa. 



SMILAX. 



S. herhacca : common. 



6". scirrliata : Simpson farm in Lincoln township. 



6". rotundifolia : Iron spring on the river road. 



Dioscoriaceae. 

 DISCOREA. 



D. villosa : river road ; Mitchell. 



Amaryllidaceae. 

 HYPOXIS. 



H . hirsuta : river banks. 



Iridaceas. 

 IRIS. 



/. versicolor : edge of Cedar river or bayous. 



SISYRINCHIUM. 



S. angustifoHum : Pierce's bridge. 



Orchidacese. 

 CYPRIPEDIUM. 



C. parviflorum var. puhcsccns : river road ; Riceville. 

 C. candidiim: reported by old settlers. 

 C. acaulc : reported by old settlers. 



ORcms. 



O. spcctabills: Moore's woods that formerly stood on South 7th 

 street, Osage; Pelton's woods; Spring Park. 



