FOLTGALACEJE ; LEGUMINOS.E. 



355 



L \tin Names. 



Poly gala, Tour., 1 . 

 *P. purpurea, L., . 

 P. lutaea, 



*P. incarnata, L., . 

 P. verticillata, L., . 

 P. fastigiata, Nutt.. 

 Krameria, Loefl., . 

 *K. lanceolata, Tor., 



English Names. Geolog'l Station. 

 Polygalacese. Milkwort Family. 

 Milkwort. 



Natural Habitat. 



Sand, 



Sand, 



Sand, 



"Wet meadows, prairies. 



Barren. 



Dry soil, prairies. 



Fields and barren. 



Prairies and barren. 



Barren. 



Legummosae. 2 



Pulse I 



amity. 





Lvpinus, Tour., . . Lupine, 









? L. villosus, Willd., 



Sand, 



. 



Barren. 



Crotolaria, L., . . Rattle-box. 









C. sagittalis, L., 



Cherty 



Limestone 



, Barren. 



Trifolium, L., 3 . . Clover. 









T. arvense, L., . . Stone clover, . 



Sandy, 





Fields and barren. 



T. pratense, L., . . Red clover, 



. 





Cultivated. 



T. reflexum, L., 4 . . Buffalo clover, 



Alluvii 



1, . . 



Woods and meadows. 



T. repens, L., . . White clover, . 







Old fields. 



*T. Carolinianum, Mich., 6 .... 



Sandy, 





Fields. 



Hosackia, Doug. 









*Purshiana, Bent., 



. 



. 



Prairies. 



Psoralea, L. 









*P. linearifolia, T.&Gr. 









*P. digitata, Nutt., 



Sand, 



. 



Hills of Arkansas River. 



*P. floribunda, Nutt., 



. 



. 



Prairies. 



*P. cryptocarpa, T. & Gr. 









*P. eglandulosa, Ell., 



. 



. 



Dry soil. 



*P. simplex, Nutt., ..... 





. 



Plains of Red River. 



P. melilotoides, Mich., 



Sand, 



. 



Prairies and barren. 



JJalea, L. 









*D. laxiflora, Pursh., 



. 





Prairies. 



*D. lanuginosa, Nutt., ..... 



Sand, 





Banks of Arkansas River. 



*D. aurea, Nutt., ...... 



. 





Prairies. 



D. alopecuroides, Willd., .... 



Sand, 



• 



Banks. 



1 Roots bitter, astringent, tonic ; employed against the lite of snakes, against dysentery, &c. Pro- 

 perties not well known. 



a Properties different. Some species are strongly purgative, some vermifuge, most of them nutritive, 

 either for man by the seeds like the beans, or for cattle by the stems and leaves like the clover. Some 

 species give a blue color used for dyeing ; some are most useful gums. Gum Arabic, Copabes, Balm of 

 Peru, &c. 



3 Some species, especially Red clover, are introduced for cultivation. Benefiting the soil, espe- 

 cially when turned in. 



4 An American species. Flowers as large as the Red clover. Merits to be tried for cultivation. 



* Species of sweet clover (Melilotus) and of Lucerne (Medicago) are numerous and much cultivated 

 in Europe ; but our American climate is too dry for such culture. 



