361 



Tri folium hybridum L. Alsike Clover 



Melilotiis alba Desr. White Sweet Clover 



Amorpha canescens Pursh. (2894) Lead Plant 



Petalostemtim piirpiireum (Vent.) Rydb. (2872) Purple Prairie 



Clover 

 Petalostemum purpureum f. arenarium Gates, forma nova (2922) 



Sand-Prairie Clover 

 Petalostemum candidum Michaux. (2832, 2871) White Prairie 



Clover 

 Astragalus canadensis L,. (3042) Milk Vetch 

 Desmodium illinoense A. Gray. Tick Trefoil 

 Lespedeza capitata Michaux. (2962) Bush Clover 

 Vicia americana Muhl. Vetch 



Lathyrus palustris myrtifolius (Muhl.) A. Gray. (2822) Vetchling 

 Lathyrus maritimus (L.) Bigel. (3157) Beach Pea 

 Lathyrus venosus Muhl. (3016) 

 Apios tuberosa Moench. (2946) Wild Bean 

 Amphicarpa monoica (L.) Ell. Hog Peanut 



Linaceae. Flax Family. 



Linuni virginianum L. (2833, 2845) Flax 

 Linum sp. 



Oxalidaceae. Wood Sorrel Family. 

 Oxalis stricta L. (3230) Wood Sorrel 



Geraniaceae. Geranium Family. 



Geranium maculatum L. (3044) Wild Geranium 

 Geranium carolinianum L. (3152) 



Rutaceae. Rue Family. 

 Ptelea trifoliata L. (3229) Hop Tree 



Polygalaceae. IMilkwort Family. 

 Polygala polygama Walt. (2768) Milkwort 

 Polygala sanguinea L. (2948) 

 Polygala verticillata L. (2883) 



Euphorbiaceae. Spurge Family. 

 Euphorbia polgygonifolia L. (2967) Seaside Spurge 

 Euphorbia maculata L. (3258) Milk Purslane 

 Euphorbia corollata L. (2852, 2892) Flowering Spurge 



