

THE FLORA OF IOWA. 31 



ALISM.VC E E. 



W ATE K-PLAXTAIN FA M I LY. 



Allsma 



Water-Plantain. 



785. Plantago, L., var. Ameri- 

 canum, Gray. 



785. Water- P. 



Eehinodorns 



Eehinodorns. 



786. parvulus, Engelm. 



786. 



Sagittaria 



Arrow-head. 



787. variabilis, Engelm. 



788. graminea, Michx. 



787. Common A. 



788. Arrow-head. 



H YDROC HA i; 1 1) AC 1 S - K. 



FROGS-BIT FAMILY. 



Anacharis 



Water-weed. 



789. Canadensis, Planchon. 



789. Water-weed. 



Yallisneria 



Tape-grass. Eel-grass. 



790. spiralis, L. 



790. Eel-grass. 



OKCHIDACE-1-:, 

 Orchis 



ORCHIS FAMILY. 



Orchis. 



791. spectabilis, L. 



791. Showy O. 



Habenaria 



Rein-Orchis. 



792. viridis, R. Br., var. bracte- 



ata, Reich. 



793. leucophrea, Gray. 



792. Rein-O. 

 793- 



Spiranthes 



Ladies' Tresses. 



794. cernua, Richard. 



794. Ladies' T. 



Pogonia 



Pogonia. 



795. pendula, Lindl. 



795. Pogonia. 



Calopogon 



Calopogon. 



796. pulchellus, R. Br. 



796. Calopogon. 



Liparis 



Twayblade. 



797. liliifolia, Richard. 



797. Twayblade. 



Aplectrum 



Putty-root. Adam-and-Eve. 



798. hyemale, Nutt. 



798. Putty-root. 



Cypripedinm 



Ladv's-Slipper. 



799. candidum, Muhl. 



800. pubescens, Willd. 



801. spectabile, Swartz. 



799. Small White L. 



800. Large Yellow L. 



801. Showy L. 



AMAKYLLIDACE^G. 



AMARYLLIS FAMILY. 



Hypoxys 



Star-grass. 



802. erecta, L. 



802. Star-grass. 



IKIDACE/E. 

 Iris 



IRIS FAMILY. 

 Flowcr-de-Luce. 



803. versicolor, L. 



803. Common Blue Flag. 



Sisyrinchinm 



Bine-eyed Crass. 



804. Bermudiana, L., var. an 



ceps, Gray. 



805. var. mucronatum, Gray. 



806. var. albidum, Gray. 



804. Blue -eyed G. 



805. 

 806. 



DIOSCOKEACE/E. 

 Dioscorea 



YAM FAMILY. 



Yam. 



807. villosa, L. 



807. Wild Yam-root. 





