25 



Cam A. Liniuriis. 



palustris, Linn. 



TVPHACE/E The Cat-Tail Family. 



Tyfha, Touruefort. Cat-tail Flag. 



laiifolia. Limi. Kced Mace. 

 SiMK(tAXir.M, Toimierort. Bur-Uet'il. 



simplex, Iludsou. 



naiHtis, Linn. 



aniiiistifoliinn, Michx. 



LEMNACK.i: TiiK Dit k-wkki. Famii.v 



Lkmna, LinniL'Us. Duck's meat, 

 trisulra. Linn, 

 minor, Linn, 

 polyrrhiza, Linn, 



NAIADACE^E. Tub PoNi>-WKKn Familv 



PoiAMotiKir.M, Touruefort. Ponilweed. 

 pusilliis, Linn, 

 pancitlorus, Tur-li. 

 eH>mpres*sus, Linn, 

 lucens, Linn, 

 natans. Linn. 



ALISMACE.E. Tmk Watkk Plantain Family. 



Trioluchin, Linna'Us. Arrow Grass. 



maritlinum, Linn. 

 SCHKUCiiZEKiA, Linn. 



palustris, Linn. 

 Alis.ma. LinnieuM. Water-Plantain. 



Plantago, Linn. 

 Sagittakia, Linna'us. Arrow-Heail. 



subulaius, Enirelraann. 



variabilis, Engelmanu. 



OKCHIDACE.E. Thk Orchis Family 



Okchis, Linnieus. 



Spectabilis. Linn. Showy Orchis. 

 Gy'.mnadknia, H. Brown. 



tridentata. Lindl. 

 Platan'tiikua, Richard. False Orchis. 



Ilookeri, Lindl. 



bract«*ala, Torr. 



hyptrborea, Lindl. 



dilalata, Lindl. 



l»-ucopha.'a, Nutt. 



psy codes. Gray. 

 .-.iMK knthks, KIchard. Lady's Tres.ses, 



gracilis, Bi^elow 



luliiolia, Torr. 



cernuu, KIchard. 

 PoGONiA, .lussieu. 



ophiotflossoides, Nutt. 

 Calopogon, Kobert Brown 



polchellus, K. Br. 



