28 BOTANY OK MADISON, LINCOLN, GARRARD, 



Genus Cardamins, Bitter Cress. 



53. Spring Cress, Cardamine rhomboidea (DC-) 

 Genus Arabis, Rock Cress. 



54- » Arabis Ludoviciana (Meyer). 



55. , A. lyrata (L.) 



56. , A. patens (Sulliv.) 



57. t a. laevigata (DC.) 



58. Sickle Pod, A. Canadensis (L.) 



59- . A. hesperidoides (Michx.) 



60. Tower Mustard, A. perforata (Lam,) 

 Genus Sisymbrium, Hedge Mustard. 



61. Hedge Mustard, Sisymbrium officinale (Scop.) 

 Ge?ius Brassica, Mustard. 



62. White Mustard, Brassica alba (L.) 



63. Black Mustard, B. nigra (Koch.) 

 Genus Draba, Whitlow Grass. 



64. 1 Draba ramosissima (Desv.) 



65. , I), cuneifblia (Nutt.) 



66. Whitlow Grass, D. verna (L.) 

 Genus Capsella, Shepherd's Purse. 



67. Shepherd's Purse, Capsella Bursa-pastoris (Mcench ). 

 Genus Lepidium, Pcpperwort. 



68. Wild Peppergrass, Lepidium Virginicum (L.) 



ORDER VIOLACE/E— VIOLET FAMILY. 

 Genus So lea, Green Violet. 



69. Green Violet, Solea concolor (Ging.) 

 Ge?ius Viola, Violet. 



70. Round-leaved Violet, Viola rotundifolia (Michx.) 



71. Lance-leaved Violet, V. lanceolata (L.) 



72. Sweet White Violet, V. blanda (Willd.) 



73. Common Blue Violet, V. cucullata (Ait.) 



74. Hand-leaved Violet, Var. palmata (Gray.) 



75. Bird-foot Violet, V. pedata (L.) 



76. Long-spurred Violet, V. rostrata (Pursh.) 

 77- , Var. bicolor. 



78. Pale Violet, V. striata (Ait.) 



