409 



. HYDRO OARDI ACE /E. The Frog's-Bit Family. 



Udoua, Nutt. Water Weed. 

 Canadensis, Nutt. 



Vallisneria. Mitchell. Tape Grass, 

 spiralis, Linn. 



ORCHIDACE^E. Tuk Orchis Family. 



MrCROSTYLIS, Nutt. 



monophylla?, Lindl. St. Croix, Dr. Parry, 

 ophioglossoidos, Nutt. 



Liparis, Richards. 



liliifora, Ricliards. 



Lceselii, Richards. Waukesha, Mr. G. H. Cornwall. 



Corallorhiza, Haller. 



multifiora, Nutt. Waukesha. Mr. G. H. Cornwall. 



Aplkctrum, Nutt. Putty Root. ^ 



hyemale, Nutt. 



Orchis, Linn. 



spectabilis, Linn. 



Platantiiera, Richards. 



orbiculata, Lindl. 



Hookeri, Lindl. 



bracteata, Torr. 



dilatata, Lindl. St. Croix, Dr. Parry. 



hyperborea, Lindl. 



leucophcoa, JNutt. 



psycodes. Gray. 0. fimbriata Pursh. 



AjiETUusA, Gronov. 



bulbosa, Linn. Lemonwier River. 



PoGONiA, Juss. 



ophioglossoides, Nutt. Waukesha, Mr. G. H. Cornwall. 



Calopogox, R. Brown. 

 pulchellus, R. Br. 



Spiranthes, Richards. Lady's Tresses, 

 gracilis, Bigelow. 

 cernua, Richards 



GooDYERA. R. Brown, 

 pubescens, R. Brown. 



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