PLANTS OF NORTH ELBA 97 



ONAGRACEAE 



Isnardia palustris L. 



Ludwigia palustris L. 



Water purslane 



Wet places. Rare. Woods between the south end of Lake Placid 

 and Newman. 



Chamaenerion angustifolium {L ) Scop. 



Epilobium angustifolmm L. 



Great willow herb. Fireweed 



Recent clearings and specially in places recently overrun by fire. 

 Common. July and August. A form sometimes occurs in which the 

 flowers are white, 



Epilobium lineare Muhl 

 Linear leaved willow herb 

 Bogs and swamps. Wood farm swamp. June and July. 



Epilobium adenocaulon Haussk. 



Northern willow herb 



Moist or wet ground. Common. July and August. Hornemann's 

 willow herb, Epilobium Hornemanni Reich., occurs along the trail to Mt 

 Marcy not far beyond the ea^t line of the town and may yet be found 

 within the town limits. 



Onagra biennis (Z.) Scop. 



OEnothera biennis L. 

 Common evening primrose 

 Pastures and clearings. . Common. August. 



Onagra cruciata {Nutt.) Small 



OEnothera biettnis var. cruciata T. & G. 



Small flowered evening primrose 



Roadsides. Rare. Near Brewster's mill. August. Separated from 

 the preceding species by its much shorter and narrower petals. 



