PLANTS OF ILLINOIS. 



15 



HIPPURIS 



vulgaris, L. 



Wabash county, Schneck : McHenry. Vasey. 



Very rare. 



ONAGRACE.E. 



CLRCiEA 



Lutetiana, L. 



Rich woods. Common. 

 GAURA 



biennis, L. 



Dry places. Common. 

 EPILOBIUM 



angustifolium, L. N. 



Low places. Winnebago and McHenry counties. 



palustre, L.. 



var. lineare, Gray. 0. & N. 



Low grounds. Menard county, Hall ; and north- 

 ward. Frequent. 



molle, Ton-. C. & N. 



With the last. 



coloratum, Muhl. 



Low grounds. Common. 

 OENOTHERA 



biennis, L. 



Dry copses, fields, &c. Common. 



Varieties m oricata, grandiflora, parvoxora 

 and CRUCIATA are found in the State. 



rhombipetala, Nutt. 



Sandy prairies and barrens. Menard county, 

 Hall : frequent in Henderson : near Chicago, 

 Babcock, Vasey ; Ogle county, Bebb. Scarce. 



fruticosa, L. 



Low prairies, &c. Frequent. 



linearis, Michx. S. 



Carbondale, Jackson county. Forbes. 



Missouriensis, Sims. S. 



Near Nashville, Washington county, Vasey. 

 JUSSLEA 



repens, L. S. 



Jonesboro, Union county, Miss Boluaes : Mound 

 City, Vasey. 



decurrens, DC. S. 



Perry and Union counties. Forbes. 

 LUDWIGIA 



alternifolia, L. 



Low grounds. Frequent. 



sphaerocarpa, Ell. 



Chicago, Dr. Scammon, in herb. M. S. Bebb : 

 Menard county, Hall ; Union, Forbes ; Mound 

 City. Miss Holmes. Rare. 



polycarpa, Short & Peter. 



Wet places. Common. 



cylindrica, Ell. S. 



Mound City, Vasey. 



palnstris, Ell. 



Ponds and ditches. Common. 



MELASTOMACE.E. 



RHEXIA 



Virginica, L. 



Lee county, Vasey : Kankakee, Hill ; Mason. 

 Bebb ; Cass, Mead ; and probably southward. 



Rare. 



LYTHRACEiE. 



AMMANNIA 



humilis, Michx. 



Margins of ponds, <fec. 



latifolia, L. 



Scarce. 



c. & s. 



Wet places. Henderson county : Peoria, Mun- 

 roe, Brendel : Kankakee, Hill : and southward. 



Nuttalliij Gray. 



Frequent. 



In ponds, and rooting in their margins as the 

 water evaporates. Henderson county ; Hancock. 

 Mead ; Menard, Hall. Rare. 



LY THRUM 



alatnu 



Wet places 



Pursh. 



Common. 



NES^IA 



vertieillata, H. B. K. 



Low grounds. Near Chicago, Vasey : Wabash 

 county, Schneck ; Franklin, Forbes. Rare.. 



CUPHEA 



viscosissiraa, Jacq. C. & S. 



Dry places. Hancock county. Mead ; Peoria. 

 Brendel ; and southward. 



LOASACE.E. 



MENTZELIA 



oligosperma, Nutt. W. 



Prairies. Pike county, Mead. 



