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Order 67. ASCLEPIADAOEiE.— Milkweed Family. 



AscLEPiAS. — Milkweed, Silkweed. 



Asclepias Cornuti Common milkweed. 



Asclepias phytolaccoides Poke milkweed. 



Asclepias quadrifolia Milkweed. 



Asclepias incarnata Swamp milkweed. 



Asclepias tuberosa Butterfly weed. 



Asclepias verticillata Milkweed. 



ACERATUS. 



Aceratus viridiflora Green milkweed. 



ViNCETOXICUM. 



Vincetoxicum r.igrum Climbing poison. 



Order 69. GENTIAN A.CE.E.— Gentian Family. 



Frasbira. 



Frasera Carolinensis American Columbo. 



Qentiana. 



Gentiaua criaita Fringed gentian. 



Gentiana serrata Small fringed gentian. 



Gentiana Andrewsii Closed gentian. 



Gentiana Alba White closed gentian. 



Order 70. POLEMONIACE^.— Polemcnium Family. 



POLEMONIUM. 



Polemonium reptans Greek valerian. 



Phlox. 

 Phlox divaricata Wild phlox. 



Order 71. HYDROPHYLLACE^.— Waterleaf Family. 



• Hydropayllum. 



Hydrophylluni Virginicum Waterleaf. 



Hydrophyllum Canadeuse Waterleaf. 



4' 



