50 Muhlenbergia, Volume 9 
CUSCUTA INDECORA Choisy? Pretty dodder. 
Parasitic on various plants of the dry soils; (Washabaugh 
county). 
GILIA LONGIFLORA (Torr.) Don. White flox. 
Abundant on pure sand; (Bennett county). 
HELIOTROPIUM SPATHULATUM Rydb. Heliotrope. 
Abundant in deserted fields; (Washington county). 
LITHOSPERMUM MANDANENSE Sprengl. Puccoon. 
Common on the sand hills of Washington county. 
VERBENA AMBROSIAEFOLIA Rydb. Showy Phlox-vervain. 
Quite abundant on the plains throughout, especially along 
roads; (Washabaugh, Washington, Shannon counties). 
HEDEOMA LONGIFLORA Rydb.  Penneroyal. 
Rather frequent on hillsides; (Washington county). 
Lycopus COMMUNIS Bicknell. Water hoarhound 
Universal on such banks of streams as have vegetation; 
(Washabaugh county). Lycopus untflorus Michx. 
SOLANUM INTERIOR Rydb. Western nightshade. . 
Common in shaded valleys in the sand hills; (Bennett county). 
GERARDIA PAUPERCULA (Gray) Britton 
Common along permanent streams, especially in the sand 
hills; (Bennett county). 
PENTSTEMON ACUMINATUS Doug. 
Abundant on the plains; (Bennett county). 
VERONICA XALAPENSIS H. B. K. Purslane speedwell. 
In cultivated and wet places, infrequent; (Washabaugh 
county). 
PLANTAGO SPINULOSA Dene. 
Infrequent on the prairies; (Washabaugh county). 
GALIUM SUBBIFLORUM (Wiegand) Rydb. Small bed-straw. 
Frequent along the margin of La Creek; (Bennett county). 
AMBROSIA MEDIA Rydb. Sand ragweed. 
Abundant on sand; (Shannon county). 
