100 BOTANY OF MICHIGAN 



Actaea rubra forma neglecta (Gillman) Robinson. White-fruited red 

 baneberry. Frequent with the preceding. Fruit white, pedicels capil- 

 lary. 



Actaea alba (L.) Mill. White baneberry. Frequent in rich woods, 

 pedicels not capillary, but thickened in fruit. Berries white. 



BERBERIDACEAE. Barberry Family 



Caulophyllum ihalictroides (L.) Michx. Blue cohosh. In hardwoods 

 near Indian Lake and at Floodwood. Apparently infrequent. 



PAPAVERACEAE. Poppy Family 

 Sanguinaria canadensis L. Bloodroot. In open rich woods. Frequent. 



FUMARIACEAE. Fumitory Family 



Dicenira cucullaria (L.) Bernh. (Bicuculla cucidlaria (L.) Millsp.). 

 Dutchman's breeches. Rich woods. Frequent. Cornell. 



Dicenira canadensis (Goldie) Walp. (Bicuculla canadensis (Goldie) 

 Millsp.). Squirrel corn. Rich woods. Frequent. 



Corydalis sempervirens (L.) Pers. (Capnoides sempervirens (L.) Bork.) 

 Pale corydalis. Common and often abundant on burned over dry 

 ground. 



CRUCIFERAE. Mustard Family 



Alyssum alyssoides L. Yellow alyssum. In dry open ground as a weed 

 about cities and villages. Apparent^ not common. 



Thlaspi arvense L. Field penny-eres^. Occasional as a weed about 

 cities and villages. Apparently infrequent. 



Lepidium virginicum L. Wild peppergrass. A weed in waste places, 

 gardens and on roadsides. Frequent. Much resembling the following. 



Lepidium apetalum Wilkl. Ape^alous peppergrass. In cities, villages, 

 and cultivated grounds. Frequent. Described under L. densiflorum 

 Schrad. in Britton and Brown's " Illustrated Flora", Second Edition, 

 Vol. II, page 166. 



Capsella bursa-pasioris (L.) Medic. (Bursa bursa-pastoris (L.) 

 Britton). Shepherd's purse. A common weed in gardens, fields and 

 waste places. 



Camelina sativa (L.) Crantz. Gold-of-pleasure. False flax. Occa- 

 sional in cities, villages and along railroads. 



Cakile edeniula (Bigel.) Hook. American sea rocket. Sandy beach 

 of Lake Michigan. Frequent. 



Brassica arvensis (L.) Ktze. (Sinapis arvensis L.). Common mus- 

 tard. Charlock. A weed about cities and villages, and in cultivated 

 grounds. Often too abundant. 



