110 BOTANY OF MICHIGAN 



Epilobium adenocaulon Haussk. Northern willow-herb. Rich damp 

 open or partially shaded ground, throughout. Plentiful. 



Oenothera biennis L. Common evening primrose. Dryish open 

 ground and on sandy shores. Frequent. 



Oenothera pumila L. (Kneiffia pumila (L.) Spaeh.). Small sun-drops. 

 Dry open ground near Manistique. Apparently infrequent. Prof. C. A. 

 Davis, 1905. 



Circaea lutetiana L. Enchanter's nightshade. Open hardwoods. 

 Frequent. 



Circaea alpina L. Smaller enchanter's nightshade. Damp places in 

 hardwoods. Frequent and often plentiful. 



HALORAGIDACEAE. Water Milfoil Family 



Myriophyllum spicatum L. Spiked water milfoil. In stagnant water 

 or on margins of slow streams. Apparently infrequent. 



Hippuris vulgaris L. Mare's-tail. Ponds and slow streams. Fre- 

 quent. Noticed in particular near Manistique in mud and shallow water 

 of small streams. 



ARALIACEAE. Ginseng Family 



Aralia racemosa L. American spikenard. In rich woods and thickets. 

 Frequent. 



Aralia hispida Vent. Bristly sarsaparilia. In sandy open or partially 

 shaded giound. Abundant on burned over areas. 



Aralia nudicaulis L. Wild sarsaparilia. In hardwoods and generally 

 in rich shaded ground. Often very abundant. 



Panax quinquefolium L. Ginseng. Reported but not seen growing 

 wild. At Rexton in the western part of Mackinac Comity, this and 

 golden seal are successful^ cultivated by Christian Hansen. 



UMBELLIFERAE. Parsley Family 



Sanicula marilandica L. Black snakeroot. Rich shaded ground. 

 Plentiful. 



Osmorhiza claytoni (Michx.) Clarke. (Washingtonia claytoni (Michx.) 

 Britton). Woolly sweet-cicely. Common in hardwoods. 



Osmorhiza longistylis (Torr.) DC. {Washingtonia longistylis (Torr.) 

 Britton). Smoother sweet-cicely. In hardwoods throughout. Common. 



Osmorhiza longistylis villicaulis Fernald. Hairy-stemmed sweet- 

 cicely. Rich hardwoods near Lake Michigan shore. Apparently infre- 

 quent. 



Osmorhiza divaricata Nutt. Western sweet-cicely. Occasional in 

 hardwoods. 



