288 



BRASSICACEAE 



2042. Dentaria pachystigma 



2043. Dentaria californica 



2044. Idahoa scapigera 



2045. Tropidocarpum gracile 



2046. Tropidocarpum capparideum 



2047. Lyrocarpa Coulteri 



2048. Dithyrea californica 



2049. Physaria didymocarpa 



2050. Physaria Geyeri 



