46 FLORA OF MISSOURI. 



694. trifida, L. ' Great Ragweed. 



Common everywhere. 



695. var integrifolia, T. & G. 



Jackson, (Bush). 



696. artemisisefolia, L. Bitterweed. 



Common. 



697. psilostachya, DO. 



Common Southward. 



698. Xanthium Canadense, Mill. . Oocklebur. 



Common everywhere. 



699. var. echinatum, Gray. 



Boone, (Tracy), Cass, (Broadhead), Jackson, (Bush). 



700. spinosum, L. 



Perry, (Demetrio). 



701. Heliopsis Isevis, Pers. Ox-eye. 



Miller, (Winick), St. Louis, (Tracy). 



702. gracilis, Nutt. 



Wright, (Bush). 



703. scabra, Dunal. 



Jackson, (Bush). 



704. Eclipta alba, Hasskarl. 



Jackson, (Bush), Pettis, (McCluney), Pike, (Pech), 

 St. Louis, (Kiehl). 



705. Echinacea angustifolia, DC. Purple Cone-Flower. 



Common everywhere. 



706. purpurea, Mcench. 



Common. 



707. Rudbeckia bicolor, Nutt. Cone-Flower. 



Wright, (Bush). 



708. fulgida, Ait. 



Common. 



709. hirta, L. 



Common. 



710. laciniata, L. 



Common everywhere. 



711. speciosa. Wend. 



Jackson, (Bush), Pettis, (McCluney), St. Louis, 

 (Riehl). 



712. subtomentosa, Pursh. 



Jackson, (Bush), Pike, (Pech), 



713. triloba, L. 



Common, 



