826 BULLETIN UNITED STATES GEOLOGICAL SUEVEY. 



*565, Veratrum album, var. EschschoUzii, Gray. 



*o66. Xerophyllum tenax, Pursb. 



*5G7. Tofieldia glutinosa, Willd. 



568. Prosartes trachycarpa, Watson. 



1874. August. Eocky Mountains. 



569. CUntonia uniflora^ Meuz. 



1874. August. Rocky Mountains. 

 *570. Smilacina bifolio, Ker. 



571. Smilacina trifolia, Desf. 



1873. July. Pembiua, in woods. 



572. Smilacina racemosa, Desf. 



1874. August. Eocky Mountains. 



573. Smilacina stellata, Desf. 



1873. July. Pembiua. 



1874. June. Fort Buford. 



574. Polygonatum giganteum, Dietrich. 



1873. July. Pembina, shady bank of the river. 



575. Lilium Fhiladelphicum, L. 



1873. June, July. Pembina. Very abundant on the prairie. 



570. Galochortus JHuttalUi, T. & G. 



1874. June. Fort Buford. 



577. Alli^im cernuum, Hoth. 



1874. August. Base of Eocky Mountains. 



578. Allium Schwnoprasum, L. 



1874. August. Eocky Mountains. 



579. Allium stellatum, Nutt. 



1873. August. Mouse Eiver Plain. Very abundant. 

 *580. Allium reticulatum, Frazer. 



581. Yucca angustifolia, Nutt. 



1874. July. Missouri Biver. 



JUNOACE^. 



*582. Juncus acuminatus, Mx. 

 *583. Juncus alpinus, var. insignis, Fries. 

 584. Juncus Balticus, Deth. 



1873. July. Pembina. 

 *584^. Juncus Balticus, Deth., var. montanus. 

 *o85. Juncus Blertensianus, Doug. 

 *5S6. Juncus nodosus, L. 

 *587. Juncus xiphioides, E. Mayer. 

 *588. Luzula parviflora, Desv., var. melanocarpa, 



COMMELYNACE^. 



589. Tradescantia Virginica, L. 



1874. , June. Prairies near Fort Buford. 



