Appendix. 8g 



Brassica Sinapistrum, Boissier, Geol. Surv,, i860. 



Brassica Alba, Geol. Surv., i860. 



Brassica nigra, Geol. Surv., i860. 



Camelina satina, Crantz, Road side Ann Arbor. 



Capsella Bursa-pastoris, Atench. 



Thlaspi arvense, L. under the Papaws. 



Lepidurm Virginicum, L., Prof. M. W, Harrington. 



Lepidurm intermedium. Gray, not common. 



VlOLACE^E. 



Solea concolor, Ging, one locality two miles up the river. 



Viola blanda, Willd. 



Viola cucullata, Ait. 



Viola cucullata, var palmata. West of Ann Arbor, 1861 ; 

 not seen since. 



Viola sagittata, Ait, damp ground East of cemetery ; on 

 Campus ; now exterminated. 



Viola pedata, L., Geol. Survey, 1S60. 



Viola canina, L., var sylvestris, Regel. 



Viola rostrata, Pursh. 



Viola striata. Ait, Under the Papaws. 



Viola Canadensis, L., Under the Papaws. ■ 



Viola pubescens, Ait. 



Viola var eriocarpa, Nutt. 



ClSTACE^. 



Helianthemum Canadense, Michx. 

 Leehea major, Michx. 



Droserace^. 



Drosera rotund i folia, L., Peat-bogs around the lakes West 

 of Ann Arbor. 



Drosera longifolia, L., Peat-bogs around the lakes West of 

 Ann Arbor. 



Hypericace^. 



Hypericum pyramidatum. Ait, Bank of the Huron River, 

 near the second R. R. bridge east, 1866. 

 Hypericum prolificum, L. 



