438 



STATE HORTICULTURAL SOCIETY. 



Hairy Rock 

 C. 



Smooth Rock 

 C. 



Canada Cress. 

 Sickle- Pod. 



Tower Mus- 

 tard. 



Drummond's 

 M. 



Yellow Rock- 

 et. Winter 

 Cress. 



68. hirsuta, Scop. 



69. laevigata, Poir. 



70. Canadensis, L. 



Fields and rocky woods. 



71. perfoliata, Lam. 



72. Drummondii, Gr. 



Hubbardston(!); Flint; Macomb Co.; etc. Dry banks. 

 BARBAREA 



73. vulgaris, K. Br. 



Th. 



Frequent. 



Th. 



Infrequent. 



c. &s. 



Common. 



Th. 



Not rare. 



Th. 



Not com. 



Th. 



So. Haven; Ann Arbor— AUmendinger Cat.; Macomb Co.; Hubbardston(I); 

 and N. into the U. P., where it is indigenous and frequent. 



White Mus- 

 tard. 



Charlock. 



Black Mus- 

 tard. 



Sea Rocket. 



Shepherd's 

 Purse. 



Spring Cress. 



Purple Spring 

 C. 



Cuckoo 

 Flower. 



Small Bitter 

 Cress. 



Woodland B. 

 C. 



Crinkle-root. 

 Pepper-root. 



Tooth-wort. 



Whitlow- 

 grass. 



Whitlow- 

 grass. 



Whitlow- 

 grass. 



Whitlow- 

 grass. 



BRASSICA 



74. alba, Gr. (*) 



75. Sinapistrum, Boiss. 



76. nigra, Koch. (*) 



CAKILE 



77. Americana, Nutt. 



Shores of the Gr. Lakes. 

 CAPS ELLA 



78. Bursa-pastoris, Moench. (***) 



The commonest of weeds. 

 CARDAMINE 



79. rhomboidea, DO. 



80. purpurea, Cham. & Schlecht. 



An early spring flower. 



81. pratensis, L. (***) 



Bogs. Rare S., frequent in C, and common N. 



82. hirsuta, L. 



83. hirsuta, L., var. sylvatica, Gr. 



Ann Arbor,— Winch. Cat.; and Flint. 

 DENTARIA 



84. diphylla, Mx. (***) 



85. laciniata, Muhl. 



Probably occurs farther north if not throughout. 

 DRABA 



86. arabisans, Mx. 



Shores of the Gr. Lakes. 



87. nemorosa, L. 



C. &S. 



Infrequent. 



Th. 



Not com. 



c. & s. 



Common. 



Th. 



Common. 



Th. 



Th. 



Common. 



Th. 



Common. 



Th. 

 Th. 



Common. 



c. &s. 



Infrequent 



Th. 



Common. 



c. & s. 



Common. 



Th. 



Infrequent. 



Th. 



"Fort Gratiot and northwestward,"— Gray. Collected by Dr. Pitcher. 



Infrequent. 



c. & s. 



Rare. 



s. 



Rare. 



88. Caroliniana, Walt. 



Ionia Co. (!), and southward. 



89. verna, L. 



Dr. Lyons. 



