172 



541. Carex ampullacea, Good. Along Missouri. 



542. Carex monile, Tuckerman. Along Missouri. 



543. Carex curia, Good. YelloAvstone river. 



544. Carex Ja.custris, Willd. 



The folhivinfj sjxcies seem to be new : 



545. Carex Nebrascensis, Dew. Missouri river, near Fort Pierre. 



546. Carex Haydeni, Dew. Missouri river, near Fort Pierre. 



547. Carex Bleehii, Dew. Yellowstone river. 



548. Carex leavi-comca, Dew. Yellowstone river. 



549. Zlzania aquatica, Linn. Along Missouri, wet ponds near Coun- 



cil Bluffs. 



550. Alopccurus geniculafm, Linn. Near low wet spots on Missouri 



near Big Sioux and mouth of Loup Fork. 

 55L Vilfa cuspidafa, Torr. Along Missouri river; also on high hills 

 along White river. 



552. Sporobalus heterolepis, Gray. Along Shyenne river in Missouri. 



553. Agrostis micliauxiana, Torr. Bottoms of Kansas, also on James 



and Shyenne rivers, upper Missouri. 



554. Agrostis cryptandra, Torr. Banks of Little Sioux river. 



555. Middenbergia glomerata, Linn. Abundant on prairies of upper 



Missouri; wood lands, &c. 



556. Calamagrostis Canadensis, Beauv. Lower Missouri. 



557. Calamagrostis longifolia, Henk. Sandy bottoms. 



558. Calamagrostis stricta, Nutt. Along Missouri, moist places. 



559. Stipa spartea,' Linn. Prairies of upper Missouri. 



560. StijM capiUata, Linn. 



56L Stipa memhranacea. Pursh. Sandy banks of Shyenne river. 



562. Aristida jxdlens, Nutt. Sterile liills along Missouri: also on 



the Platte. 



563. Spartina cynosuroides, AVilld. Low situations on Missouri. 



564. Bouteloua oUgostachya, Torr. Upland prairies of Missouri. 



565. Sesleria dactyloides, Nutt. This is one of the most abundant 



as well as useful grasses on the Upper Missouri. It grows 

 in low matted tufts, covering the prairies oftentimes for many 

 miles, and furnishing a most nutritious and palatable food 

 for the buffVilo, deer and other game: also for the horses of 

 the Lidian and voyageur. 



566. Festuca tenella, Willd." Yalley of the Missouri. 



567. Festuva nidans, Willd. Along bottoms of Kansas. 



568. Kaleria cristata, Linn. 



569. Eatonica Pennsylvanica 



570. Poa pratensis, Linn, 



571. Poa annua, Linn. Sandy bottoms along Missouri. 



572. Poa nervata, Willd. On the Kansas. 



573. Poa nemoralis, Linn. Shady woods and ravines on Missouri. 



574. Arnndo phragmifes. Abundant in moist places around Council 



Bluffs. 



575. Ehjynus Canadensis. Linn. Wooded banks to mountains. 



