56 
Cheney and True—Flora of Madison and Vicinity.. 
Cardamine, Tourn. Bitter-cress. 
39. C. rhomboidea , DC. Spring cress. 
Common in marshy pasture land. 
Arabis, L. Rock cress. 
40. A. hirsuta , Scop. 
Rocky bluffs about the lakes. Not common.. 
41. A. confnis, Watson. 
Dry hills. Local. 
42. *A. lyrata, L. 
Growing on rocky or gravelly points. Local. 
43. A. dentata , Torr. & Gray. 
Rich woodlands. Not abundant. 
Draba, Dill. Whitlow-grass. 
44. D. Caroliniana, Watt. 
Growing on sandy ridges and slopes about the 1 
lakes. Local. 
Camelina, Crantz. False flax. 
45. *C. sativa, Crantz. 
Found occasionally along railroad tracks. Not 
common. Introduced. 
Nasturtium, R. Br. Water-cress. 
46. *N. officinale, R. Br. True water-cress. 
Common in all springs and spring branches in the 
region. 
47. *W. palustre , DC. Marsh cress. 
Found with JV. officinale . Not common. 
48. *N. Armoracia, Fries. Horseradish. ( Cochlearia 
Armor acia, L.) 
Throughout the region. Becoming very abundant 
in some places. Escaped from cultivation. 
Barbarea, R. Br. Winter cress. 
49. *B. vulgaris, R. Br. Common winter cress. Yellow 
rocket. 
Found growing near the Fuller and Johnson Plow 
Works in the eastern part of the city of Madison* 
Introduced. 
