16 



Carex pseudocyperus amerioana Hochst. 



Grant county. (4120) 

 Carex scoparia Schkur. 



Thedford. (4117) 

 Scirpus lacustris occidentalis Watson. • 



Thomas and Hooker counties. * (4121) 



Lemna gibba L. 



Plummer Ford, Thomas county. (4130) 



Lemna perpusilla Torr. 



Plummer Ford, Thomas county. (4119) 



Heteranthera diibia, (Jacq.) Morong. 



Kearney. (^998) 

 Juncus alpinus insignis, Fries. 



Pishelville. (2247) 

 Leptorchis loesilii (L. ) MacM. 



Thedford. (4134) 

 Salix cordata angustifolia (Pursh) Anders. 



Thomas and Hooker counties. (4118) 

 Boehmerta cylindrica (L.) Willd. 



Halsey (4122), Fremont (3348), Pishelville (2768), Endi- 



cott, (2169) 

 Polygonum Morale Lk. 



Mullen. (4136) 

 Polygonum punctatum leptostachyum (Meisn. ) Small. 



Thomas, Hooker, and Grant counties. (4136) 

 Chenopodium rubrum L. 



Grant county. (4129) 

 Salsola kali tragus Oeder. 



Aten (2646), Eepublican City. (2102) All localities 

 heretofore given for S. kali should be transferred to the 

 var. tragus. All material in the Survey Herbarium is to 

 be referred to the variety. 



