114. 
3B. verna (Mill.) Aschers. Winter Cress 
Java Farm and Ivy Neck. Moderately abundant. Associated with 
B. vulgaris above. Higman 575, 617, 1082. 
Sisymbrium 
Sisymbrium officinale Scop., var. leiocarpum DC, Hedge Mustard 
Ivy Neck. One station: pasture behind mule shed, north of 
Cheston Creek drainage. Higman 724, 
Dentaria 
1. Bracts of inflorescence more or less’ hirsute; 
flowering stem usually without a basal leaf........... D. laciniata 
1. Bracts of inflorescence glabrous (occasionally 
densely hirsute); flowering stem with basal 
leafs, leaves violet beneaths. .cicteuinesseciyeice sosceeccoves D. heterophylla 
NOTE: These species are difficult to distinguish. may hybridize. 
Dentaria laciniata Muhl. Toothwort 
Java Farm. Infrequent, along old entrance road under mature 
canopy of Fagus grandifolia, Quercus alba, Liriodendron tulipifera, etc. 
Associate species: Claytonia virginica, Sanguinaria canadensis, Viola 
papilionacea, Smilacina racemosa, etc. Higman 1081. 
D. heterophylla Nutt. ‘Toothwort 
Java Farm. Infrequent, associated with D. laciniata. Higman 561. 
Draba 
Draba verna L. Whitlow Grass 
Ivy Neck. Abundant in cultivated fields and along tractor trails. 
Associate species: Cerastium vulgatum, Barbarea vulgaris, Arabidopsis 
thaliana, etc. 
Java Farm. Infrequent to moderately abundant. Roadsides and 
open fields. Higman 555, 
