26 C. K. Dodge 



CKUCIFERAE 



Alyssiun ah'ssoidcs L. Yellow Alyssum. — Dry ground in and about 

 cities and villages. Frequent throughout. 



Lepidmm virginicuin L. Wild Peppergrass. — A common weed in culti- 

 vated grounds, on roadsides, and in and about cities and villages. 



Capsella Bursa-pastoris (L.) Medic. (Bursa bursa-pastoris L., Britton). 

 Shepherd's Purse. — A common weed in cultivated grounds and in and about 

 cities and villages. 



Cakile edentiila (Bigel.) Hook. American Sea Rocket. — On and near 

 sandy beach of Lake Superior near Huron Mountain Club. Common on 

 the sandy beaches of the Great Lakes. 



Brassica arzrusis (L.) Ktze. (Sinapis arvensis L.). Wild Mustard,. 

 Common Mustard. — A bad weed in grain fields, and frequent about cities 

 and villages. 



Sisviiibriinn officinale Iciocarpiim DC. Smooth-podded Hedge Mustard. 

 — A common weed on roadsides and in waste places of cities and villages 

 throughout. Included in Brysimwn officinale L. in Britton & Brown. 



Sisymbrium altissimmn 1.. (Norfa altissima L., Britton). Tumble ]\Ius- 

 tard. — A weed about cities and villages and along railroads throughout. 

 Plentiful. 



Erysimmn cheiranthoides L. (Cheirinia chciranthoides L., Link.). 

 Wormseed Mustard. — A weed along railroads, in fields, and waste places of 

 cities and villages. Frequent. 



Radicula Nasturtium-aqiiaticnm (L.) Britton & Rendle. (Sisymbrium 

 nasturtimu-aquaticum L.). True Water Cress. — Creeks and ditches about 

 Marquette and Big Bay. Plentiful. 



Radicula palustris (L.) Moench. Marsh Water Cress. — Wet open 

 places or in shallow water near Huron Mountain Club. Frequent through- 

 out. 



Radicnla Armoracia (L.) Robinson. {Armoracia armoraciah.,Br\X.ion)^ 

 Horseradish. — Noted throughout in damp open ground about and in cities 

 and villages. 



Dentaria diphyUa Alichx. Two-leaved Toothwort, Crinkle-root. — Rich 

 shaded ground near Big Bay. Probably frequent throughout. 



Dentario laciniata Muhl. Cut-leaved Toothwort- — Rich shaded ground 

 along Salmon Trout River near Huron Mountain Club. Probably frequent 

 throughout. 



Cardamine parvifiora L. Small-flowered Bitter Cress. — Rocky summit 

 of Huron Mountain. Probably to be found in similar situations throughout. 

 Noted by B. Gladewitz. 



Cardamine pennsylvanica Muhl. Pennsylvania Bitter Cress. — Along 

 Salmon Trout River near Huron ]\Iountain Club. Apparently infrequent. 



Arabis lyrafa L. Lyre-leaved Rock Cress. — On sandy beaches and 

 shores, and on rockv hills about Huron Mountain Club. Probably plentiful 

 throughout. 



