var. hydrida, Gray. 

 var. angusti folia, Gray, 

 longifolia, Pursh. 



LENTIBULACE/E. 



Utricularia vulgaris, Linn, 

 minor, Linn, 

 intermedia, Hayne. 

 purpurea, Walt, 

 cornuta, Michx. 



OROBANCHACE^. 



Epiphegus Virginiana, Birt. 

 Conopholis Americana, Wallr. 

 Aphyllon uniflorum, Torr. & Gray, 

 fasciculatum, Torr. & Gray. 



SCROPHULARIACE^E. 



Verbascum Thapsus, Linn. 



Blattaria, Linn. 

 Linaria Canadensis, Spreng. 



vulgaris, Mill. 

 Scrophularia nodosa, Linn. 

 Collinsia verna, Nutt. 



parviflori, Dougl. 

 Chelone glabra, Linn. 

 Pentstemon pubescens, Solander. 



grandiflorus, Fraser. 

 Mimulus ringens, Linn. 



Jamesii, Torr. 

 Gratiola Virginiana, Linn. 

 Ilysanthes gratioloides. Benth. 

 Synthyris Houghtoniana, Benth, 

 Veronica Virginica, Linn. 



Anagallis, Linn. 



Americana, Schweinitz. 



scutellata, Linn. 



serpyllifolia, Linn. 



peregrina, Linn. 



arvensis, Linn. 

 Seymeria macrophylla, Nutt. 

 Gerardia purpurea, Linn. 



aspera, Dougl. 



tenuifolia, Vahl. 



setacea, Walt. 



grandiflora, Benth. 



pedicularia, Linn, 



auriculata, Michx. 

 Castilleia coccinea, Spreng. 



sessiliflora, Pursh. 

 Pedicularis Canadensis, Linn. 



lanceolata, Michx. 

 Melampyrum Amencanum, Michx. 



