Eutrema Labradoricurn, Turcz. 

 Lepidium Groenlandicuni, Hornem. 



integrifolium, Nutt., var. keterophyllum, Watson, 

 oxycarpuin, T. & G. 

 ruder ale, L. 

 Lyrocarpa Palmeri, Watson. 

 Nasturtium tracnycarpum, Gray. 

 Parrya arctica, E. Br. 



arenicola, Hook. f. 

 Physaria, Geyeri, Gray.,/?. 

 Selenia dissecta, T. & G. 



Sisymbrium cauescens, Nutt., var. brachycarpum, Watson, 

 humile, C. A, Meyer., /h 

 pauciflorum, Nutt. 

 salsugineuin, Pall. 

 Stanleya toinentosa, Parry. 

 Streptanthus diversifolius, Watson, 

 flavescens, Hook. 

 Howellii, Watson, fr. 

 Streptanthus rnaculatus, Nutt. 

 niger, Greene. 

 peramo3nus, Greene, 

 repandus, Nutt. 

 Synthlipsis Berlandieri, var. hispida, Watson. 

 Thelypodium Cooperi, Watson,/?. 

 flavesceus, Watson, 

 neglectum, Jones. 

 Thlaspi Californicum, Watson. 

 Thysanocarpus erectus, Watson. 

 Vesicaria argentea, Schauer. 



auriculata, Engelm. & Gray. 

 Berlandieri, Gray. 

 Kingii, Watson, 

 lasiocarpa, Hook.,//. 

 Lindheimeri, Gray. 

 Nuttallii, T. &. G. 

 pallida, T. & G. 



purpurea, Gray, var. albiflora, Gray,/r. 

 Warea amplexifolia, Nutt. 

 Cleome sparsifolia, Watson, fl. 

 Cleomella oocarpa, Gray. 

 Oxystylis lutea, Torr. 

 Lechea Torreyi, Leggett. 



Yiola blanda, Willd., var. palustriformis, Gray, 

 hasta, Miclix., var. tripartita, Gray, 

 prsemorsa, Dougl. 



