BEAL ON MICHIGAN FLORA. 83 



DENTARIA L. 



*108G. D. diphylla Michx. Two-leaved Toothwort. Common. Th. 



*1087. D. laciniata Muhl. Cut-leaved Toothwort. Keweenaw Co. and southward. 

 Common. Th. 



1088. D. maxima Nutt. Large Toothwort. Bluffs along Black Paver near Abbotts- 

 ford, C. K. Dodge; the only station known in the State. 



BURS A Weber. CAPSELLA Medic. 



*1089. B. Bursa-pastoris (L.) Britton. Shepherd's Purse. Capsella Bursa-pastoris 

 Medic. The commonest of weeds. Th. 



CAMELINA Crantz. 



*1090. C. microcarpa Andrz. Small-fruited False Flax. A weed which is becom- 

 ing naturalized from Europe. 



1091. C. sativa (L.) Crantz. Gold-of -Pleasure. False Flax. Pvoad-sides and waste 

 places. Flint; Ann Arbor; Maeomb Co.; Sturgis; Bay Co.; Keweenaw Co., F. Not 

 common. Th. 



DRABA L. 



1092. D. Caroliniana Walt. Carolina Whitlow-grass. Ionia Co. and southward. 

 Rare. C. & S. 



1093. D. incana arabisans (Michx.) S. Wats. Shores of Great Lakes. Mackinac, 

 G. H. Hicks. Infrequent. 



*1094. D. nemorosa L. Wood Whitlow-grass. "Fort Gratiot and northwestward." 

 A. Gray. Collected by Dr. Pitcher. Infrequent. 



1095. D. verna L. Whitlow-grass. S. W., H. S. Pepoon; Detroit, Dr. Lyons. Rare. 

 S. 



SOPHIA Adans. 



1096. S. pinnata (Walt.) Britt. Tansy Mustard. Sisymbrium canescens Nutt. 

 Shores of Great Lakes, Pitcher, Houghton, Winchell; Barry Co., L. H. Bailey. Infre- 

 quent. Th. 



1096a. S. pinnata brachycarpa (Richards) O. A. Farwell. Belle Isle, O. A. Far well. 



1097. S. Sophia (L.) Britton. Flixweed. Keweenaw Co., O. A. Farwell. 



ARABIS L. 



1098. A. brachycarpa (T. & G.) Britton. Purple Rock-cress. A. confinis Itrachycafpa 

 Watson and Coulter. Keweenaw Co., O. A. Farwell; Marquette, Alpena, Hubbardston, 

 C. F. Wheeler. Not common. 



*1099. A. Canadensis L. Sickle-pod. Fields and rocky woods. Not common. 



*1100. A. dentata T. & G. Toothed Rock-cress. Low lands along Grand River and 

 southward. Not common. C. & S. 



llOOa. A. Drummondii A. Gray. A. confinis S. Wats., in part. Keweenaw Co., 0. A. 

 Farwell. 



*1101. A. glabra (L.) Bernh. Tower Mustard. A. perfoliata Lam. Alma, Ann 

 Arbor, C. A. Davis. Fields. Infrequent. Th. 



*1102. A. hirsuta (L.) Scop. West Bay City, G. M. Bradford. 



1103. A. Holboellii Hornem. Holboell's Rock-cress. Thunder Bay, Alpena Co., 

 the most easterly known station for this western species, C. F. Wheeler. 



*1104. A. laevigata (Muhl.) Poir. Smooth Rock-cress. River banks. Infrequent. Th. 



1105. A. lyrata L. Lyre-leaved Rock-cress. Sandy fields, Hubbardston; South 

 Haven; Flint; Petoskey; U. P., Whitney Cat. Infrequent. Th. 



1106. A. lyrata occidentaliss S. Wats. Bower's Harbor, Grand Traverse Bay, Alpena, 

 C. F. Wheeler. 



ERYSIMUM L. 



*1107. E. cheiranthoides L. Worm-seed Mustard. Gratiot Co.; Grayling, G. H. 

 Hicks; Cheboygan Co., B. & K.; Keweenaw Co., O. A. Farwell; Port Huron, C. K. 

 Dodge; Alma, Ann Arbor, C. A. Davis. 



*1108. E. inconspicuum (S. Wats.) MacM. Small Erysimum. E. parviflorum Nutt. 

 Probably introduced from the west. Clifton, Keweenaw Co.. O. A. Farwell; St. Clair 

 Co., C. K. Dodge. 



