124 NEW YORK STATE MUSEUM 



THYMELEACEAE 

 Dirca palustris L. 

 Moosewood 

 Cold, damp woods, specially along mountain streams. Infre- 

 quent. April-May. 



ONAGRACEAE 



Isnardia palustris L. 

 Ludwigia palustris Ell. 

 Marsh purslane 

 Swamps and muddy places along brooks. Common. June- 

 October. Chamaenerion angustifolium (L.) Scop. 

 Epilobium angustifolium L. 

 Great willow herJ). Fireweed 

 Wet or dry soil. Often abundant in woodlands recently over- 

 run by fire. June- August. 



Epilobium lineare Mubl. 

 Linear-leaved willow-herh ' 



Swamps. Common. July-August. 



Epilobium color atum Mubl. 

 Purple-leaved ivillow-herh 

 Low grounds. Infrequent. July- September. 



Epilobium adenocaulon Haussk. 



Northern loilloiv-hert) 

 Moist ground. (Common. July-September. 



Onagra biennis (L.) Scop. 

 Oenothera biennis L. 

 Evening primrose 

 Eoadsides and fields. Common. June- September. 



Kneiffia pumila (L.) Spach 

 Oenothera pumila L. 

 Small sundrops 

 Fields in wet or dry soil. Common. June-July. 



Kneiffia fruticosa (L.) Raimann 

 Oenothera fruticosa L. 

 Common stmdrops 

 Dry soil. Frequent. June-July. 



