216 IOWA ACADEMY OF SCIENCES. 



Vagnera Adans. 



173. T^ racemom (L.) Moron^ii^. {Smilaclna rareiuosa. 



Desf.) Common in the woods. 



174. r. stellata (L.) Morong. {SinUac'uKi siellata Desf.) 



Common in woods. 

 PoLYGONATUM Adans. 



175. P. comnnitntniii (R. k S.) Diet. (P. (//(/((Hteinn 



Diet.) Frequent in low woods. 

 Trillium L. Wake-robin. 



176. T. nivale liiddell. Very rare in the woods north 



of Estherville. 



177. T. crectum L. Rare in woods; Iowa Lake, and 



Armstrong Grove. Oar form always has de- 

 clined flowers. 



SMILACE^. 



Smilax L. Smilax; Green-brier. 



178. S. herhacea L. Common in woods. 



179. >S'. hispida Muhl. Frequent in woods. 



AMARYLLIDACE^. 



Hypoxis L. Star-c^rass. 



180. H. hirsuta (L.) Coville. (//. ererta L.) Very 



common on low prairies. 



IRIDACE^. 



Iris L. Blue Flag. 



181. I. versicolor L. Common in low ground and 



marshes. 

 SisTRiNCHiuM L. Blue-eyed Grass. 



182. S. a mj list I folium Mill. Very common on low 



prairies. 



orchidace^. 



Cypripedium L. 



183. C. candidum Willd. Small White Lady-slipper. 



Frequent on low prairies. 



