112 



AGRICULTURAL COLLEGE. 



[No. 17 



Culver's Physic. Veronica Virginica, L. 



Ames ; Grinnell ; Charles City. 

 Water Speedwell. y eronica Anagallis, L. 



Ames. 

 Purslane Speedwell. y eronica pel . egl . ina) L . 



Ames. 



Purple Gerardia. Gerardia purpurea, L. 



Ames ; Grinnell. 

 Slender Gerardia. Gerardia tennifoliaj V flbl. 

 Ames ; Grinnell ; Burlington. 



Gerardia quercifolia, Pursli. 



Burlington. 



Gerardia auriculata, Miclix. 



Ames; Grinnell. 



Castilleia coccinea, Spreng. 



Grinnell ; Charles City ; Fayette ; Burlington. 



Castilleia sessiliflora, Pursli. 



Ames ; Fayette, 



Pedicularis Canadensis, L. 



Ames ; Indianola ; Grinnell ; Charles City ; Fayette ; Burlington. 



Pedicularis lanceolata, Miclix. 



Ames; Grinnell; Charles City. Seems to vary from the typ- 

 ical form. 



ACAETIIACE.K. 



Kuellia ciliosa, Pursh. 



Indianola. 



VERBENACE^. 



Scarlet Painted 

 Cup. 



Louse-wort. 



Blue Vervain. 



White Vervain. 



Hoary Vervain. 



Low Vervain. 



Yerbena hastata, L. 



Ames; Grinnell ; Charles City ; Burlington, 



Verbena urticifolia, L. 



Ames ; Grinnell ; Charles City ; Burlington. 



Yerbena stricta, Vent. 



Ames ; Charles City ; Burlington. At Ames ilowers not " blue," 

 but decidedly purple. Stem occasionally branched, and 

 leaves Fometimes dentate. 



Yerbena bracteosa, Miclix. 



Ames ; Grinnell ; Charles City. 



