WEED MIGRATION 719 



UmbelUferae. 



Conium maculatum, Poison hemlock. 

 Caeum carvi, Caraway. 

 Pastinaca sativa. Wild parsnip. 

 Daucus caeota. Wild carrot. 



Primulaceae. 

 Anagallis arvensis, Pimpernel. 



Apocynaceae. 



Apocynum ANDEOSAEMiFOiiiuM, Spreading dogbane. 

 A. cAnnabinum, Indian hemp. 



Asclepiadaceae. 



AscLEPiAs SPECiosA, Showy milkweed. 

 A. STEiACA, Milkweed. 



Gonvolvulaceae. 



Convolvulus sepium. Wild morning-glory. 

 C. AEVENSis, European bindweed. 

 CusouTA EPiTHTMUM, Clover doddcr. 

 C. AEVENSiSj Field dodder. 



HydrophyUaceae. 

 Ellisia ntcteleAj Waterleaf. 



Boraginaceae. 



Ctnoglossum officinale, Hound's tongue. 

 Lappula echinata, Stiekseed. 

 Symphytum officinale, Comfrey. 

 Echium vulgare, Blue weed. 



Terhenaceae. 



Veebena bracteosa, Bracted vervain. 

 V. HASTATA, Blue vervain. 

 V. STEiCTA, Hoary vervain. 



LaMatae. 



Nepeta cataeia. Catnip. 

 N. HEDEEACBAj Grouud ivy. 

 Lamium amplexicaule, Dead nettle. 



