Appendix. 80 



Brassica Sinapistrum, Boissier, Geol. Surv., 1860. 



Brassica Alba, Geol. Surv., 1860. 



Brassica nigra, Geol. Surv., 1860. 



Camelina satina, Crantz, Road side Ann Arbor. 



Capsella Bursa-pastoris, Maench. 



Thlaspi arvense, L. under the Papaws. 



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



Lepidurm intermedium, Gray, not common. 



VIOLACE^E. 



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



Viola blanda, Willd. 



Viola cucullata, Ait. 4 



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, 1860. 



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. 



CISTACE^E. 



Helianthemum Canadense, Michx. 

 Leehea major, Michx. 



DROSERACE^E. 



Drosera rotundifolia, L., Peat-bogs around the lakes West 

 of Ann Arbor. 



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

 Ann Arbor. 



HYPERICACEJE. 



Hypericum pyramidatum, Ait, Bank of the Huron River, 

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

 Hypericum prolificum, L. 



