44 



EUPHORBIAOE^. 



307. Euphorbia, L. 



E. maculata, L. Roadsides. 



E. hypericifolia, L. Sandy fields. 



E. PLATYPHYLLA, L. Roadsides 



E. Cyparissias. Peacham, Blanchard. 



E. PEPLUS, L. Grand Isle. Pringle ; Wallingford, Brainerd. 



E. Helioscopia, L. Waste ground. 



308. Acalypha, L. 



A. Virginica, L. Open fields. 



EMPETRAOE^. 

 309. Empeteum, Tourn. Crowberry. 

 E. nigrum, L. Tops of higher mountains. 



OERATOPHYLLACEiE. 



310. Ceratophyllum, L. 



0. demersum, L. var. eclainatuin, Gray. Near Burlington, 

 and also at Lake Memphremagog. 



CALLITRIOHACEiE. 

 311. Callitriche, L. 



O. verna, L. Borders of ponds. 



O. autumnale, L. Borders of ponds. 



URTIOAOE^. 

 312. Ulmus, L. Elm. 



U. fulva, Mx. Slippery Elm. Damp woods. Not so common 



as the next. 

 U. Americana, L. Common Elm. 

 U. racemosa, Th. Cork Elm. River banks and damp soil. 



Not common. 



313. Celtis, Tourn. Hackberry. 



C. OCCidentalis, L. Meadows. Not very common. High- 

 gate Brainerd. 



314. MoRUS, Tourn. Mulberry. 



M, rubra, L. Red Mulberry. Thickets. Rare. 



M. alba, L. White Mulberry. Middlebury. Brainerd. 



315. Urtica, Tourn. Nettle. 

 U. gracilis, Ait. Moist ground, ('ommon. 



