17 



Acnida tamariscina (Niitt. ) Gray. 



- Thomas county. 4138. This has been confounded with ^. 

 tuberculata Moq. which is common in eastern Nebraska. 

 (Eydberg. ) 

 Talinum calycinum Engelm. 



Specimens collected in Nebraska, probably at Fort Eobinson, 

 by Dr, Wilcox are in the National Herbarium at Wash- 

 ington. (Eydberg. ) 

 Arenaria michauxii Hook.f. 



Franklin. (2089) 

 Ranunculus multifidus terrestris Gray. 



Fremont. (3349) 

 Ranunculus septentrionalis Poir. 



Emerson. (2510) 

 Sanguinaria canadensis L. 



Bellevue. (3116) 

 Cardamine hirsuta L. 



Grand Eapids. (2851) 

 Lepidium draba L. 



Wymore. (3393) Introduced. 

 Crataegus coccinea L. 



Forks of Dismal Eiver, Hooker county. (4128) 

 Crataegus coccinea macracantha Dudley. 



Grand Eapids. (2850) 

 Geum japonicum Thurber. 



Natick. (4123) 

 Amorpha nana Nutt. 



Aten. (2653) 

 Psoralea cuspidata Pursh. 



Grand Eapids. (2946) 

 Euphorbia heterophylla graminifolia (Michx. ) Engelm. 



Cams. (2710^) 

 Euphorbia serpens H. B. K. 



Lincoln. (3375) 



