FLOWERING PLANTS. 25 



V. 



VALERIANA, Town, valerian. 



panciflora, Michx. 

 VERBASCUM, L. mullein. 



thapsus, L. common yellow mullein. 



blattaria, L. moth mullein. 

 VERBENA, L. vervain. 



hastata, L. blue vervain. 



urticifolia, L. nettle-leaved vervain. 



stricta, Bent, hoary vervain. 

 VERNONIA, Schtzb. ironweed. 



faciculata, Michx. 

 VERONICA, L. speedwell. 



serpyllifolia. thyme-leaved speedwell. 



peregrina, L. purslane speedwell. 



arvensis, L. corn speedwell. 



virginica, L. Culver's physic. 



americana, Schwein. brook-lime. 

 VIBURNUM, L. arrow-wood ; laurestinus. 



prunifolium, L. black haw. 

 VIOLA, L. violet. 



cucullata, Ait. blue violet. 



pedata, L. 



canadensis, L. 



striata, Ait. 



tenella, Muhl. 



pubescens, Ait. yellow violet. 

 VISCUM, L. misseltoe. 



flavescens, Pursh. yellowish misseltoe. 

 VITIS, L. grape-vine. 



aestivalis, Michx. summer grape. 



cordifolia, Michx. frost grape. 



X. 



XANTHIUM, Tourn. cockle-burr ; clot-burr, 

 strumarium, L. 



z. 



ZIZIA, Kooh. golden Alexanders. 



aurea, Koch, meadow parsnip, 

 integerrima, D. C. 

 cordata, Koch. 



