STATE GEOLOGIST. 



251 



Mustard. 



'•'.uStar.l. 

 Whito M 



oefc. 



Whitlovs 

 Whitlow 



Wild i 



Shepherd's purse 



Anvri<"an sca- 

 r(K. 



ium officinale, Seep. 



Lrbor. 



mbriom caneacene, Nutt. 



mi's alba, I.. 



A-bor. 



Sinapifl arvensis, L. 



Ann Arbor. 



Sinapifl nigra, L. 



Ann Arbor. 



Draba arabisans, Michx. 



" Upper Michigan," (Gray). 



Draba hemoroaa, L. 



Kt. Gratiot, (Gray). 



Lepidium Virginicum, L. 



Ann Arbor; Saginaw Bay, 14 June. 



Lepidinm intermedium, Gray. 



X W. (Gray). 



Capaella Bnrsa-pastoris, Moencb. 



Ann Arbor; Saul Bt Marie, 30 July. Abundant tverwherc. 



Ie Americana, Nutt. 



It. an Ch"ii<\ L. Mich.. 18 Aug.; frequently seen on sanf'y beaches; rare- 

 D With both joints uf the pod containing a perfect seed. 



CAPPARIDACK^l. 



MnWi 



Polanisia graveolens, Raf. 



l.igan, (Wright). 



VIOLA* 



leaved 



%VliiU5 



Common Blue 

 • 





Arrow leaved 



. rotundifolia, M.'clix. 



Sugar Island. 



Viola bland*, WilM. 



Anii Arbor; North shore L. Mich. 



Viola cncullata, Ait. 



Ann Arbor; Saginaw B. ; I)rummond'6 I.; Ft. Gra'.iot. 



palmafa. 



Ann Arbor, (Miss Clark). 



Vi >l.i sijfitt.tta Ait. (V. ovata — W.) 



An;: ^rk). 



■ ■ v; | a peda 





itrata, Pureh. 



At:; May. 



Miihlenbergii, T< it 



Arbor. 



