[_Actinomeris a._ (L.) DC.] wingstem _encelioides_ (Cav.) B. & H. (_Ximenesia e._ Cav.) golden c. _virginica_ L. white c. _Vernonia_ Schreb. ironweed _baldwini_ Torr. var. _baldwini_ baldwin i. _baldwini_ Torr. var. _interior_ (Small) Schub. inland i. _crinita_ Raf. bur i. _marginata_ (Torr.) Raf. plains i. _Veronica_ L. speedwell _arvensis_ L. common s. _peregrina_ L. purslane s. _polita_ Fries (_V. didyma_ Ten.) wayside s. _salina_ Schur. (_V. connata_ of manuals) cupleaf s. _serpyllifolia_ L. thymeleaf s. _Veronicastrum virginicum_ (L.) Farw. culversphysic _Viola_ L. violet _eriocarpa_ Schw. woolpod v. _kitaibeliana_ R. & S. var. _rafinesquii_ (Greene) Fern. (_V. rafinesquii_ Greene) johnnyjumpup _missouriensis_ Greene Missouri v. _nuttallii_ Pursh nuttall v. _papilionacea_ Pursh butterfly v. _pedata_ L. birdsfoot v. _pedatifida_ G. Don prairie v. _sororia_ Willd. sister v. _Xanthium strumarium_ L. (including _X. chinense_ Mill., _X. globosum_ Shull, _X. italicum_ Moretti, _X. pensylvanicum_ Wallr., and _X. speciosum_ Kearney) cocklebur _Ximenesia_ (see _Verbesina_) _Zinnia grandiflora_ Nutt. Rocky Mountain zinnia _Zizia aurea_ (L.) W. D. J. Koch golden zizia FOOTNOTES: [43] _Asclepiodora_ is included in _Asclepias_ in some manuals. [44] From Gray: spelled _syphilitica_ in some manuals. [45] The word “plantain” may be omitted from the common name of this species, calling it simply “buckhorn.” [46] From Gray: spelled _Sabbatia_ in some manuals. =WOODY PLANTS=