(2) Andropogon scoparius Michx., blue-stem grass. 

 (2*) " /wrcaiw^Muhl., blue-stem grass. 



(i) Sorghastrum nutans Nash., Indian grass. 

 (2*) Panicum virgatum L., switch grass. 



(2) Sporobolus heterolepis Gray, drop-seed grass. 



(2) Agrostis alba L., red top grass. • 

 (i*) CalamagrosHs canadensis Beauv., blue-joint grass. 



(2) Koeleria cristata Pers. 



(2) P^iwi/foma 5 j^zcato Beauv., wild oat grass. > 

 (i*) Spartina Michauxiana Hitch., cord grass. 

 (2*) Poa compressa L., Canada blue grass. . 



(2) " ^m^ew^w L., Kentucky blue grass, 

 (i*) Glyceria nervata Trin., fowl meadow grass, x-"'"'''^ 



(2) Festuca elatior L., meadow fescue grass. :- 



(2) Bromus Kalmii GiSiy, wild chess. — 



(2) Hordeum juhatum L., squirrel-tail grass. --^ 



(2) Elymus canadensis L., wild rye. 

 (i*) Eleocharis palustris R. & S., spike rush. 



(i) Cyperus strigosus L. 



(i) Fimhristylis castanea Vahl. 



(i) Scirpus lineatus Michx. 



(i) " fluviatilis Gray, bulrush. 



(i) Car ex scoparia Schkuhr. ' 



(i) " cristata Schwein. 



(i) " Sartwellii Dewey. ' 



(i) " stricta Lam. 



(i) " lanuginosa Michx. 



(i) " straminea Willd. 



(i) J uncus nodosus L., rush. 



(i) " Torreyi Coville, Torrey's rush. 



(i) " acuminatus Michx., rush. 

 (2*) Allium cernuum Roth., wild onion. 



(2) Liliwn philadelphicum L,, orange lily. 



(2) " canadense L,, wild yellow lily. 



(2) Camassia esculenta Robinson, wild hyacinth. 



(i) Iris versicolor L., blue flag. 



(2) Sisyrinchium angustifolium Mill., blue-eyed grass. 



(2) Comandra umbellata Nutt., bastard toad-flax. 



(2) Silene antirrhina L., sleepy catchfly. 



(2) Heuchera hispida Pursh, alum root. 



(2) Stellaria longifolia Muhl., long-leaved chickweed. 



(2) Thalictrum dasycarpum Fisch & LalL, meadow rue. 



(2) Potentilla canadensis L., Canada cinquefoil. 



(2) " argentea L., silvery cinquefoil. 



(2) " arguta Pursh, rough cinquefoil. 



(2) Fragaria virginiana Duchesne, wild strawberry. 



(2) Amorpha fruticosa L., false indigo. 



(2) " canescens Pursh, lead-plant. 



(2) Petalostemum purpureum Rydb., purple prairie clover. 



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