486 



HISTORY OP 



857 Descliampsia, Beauv. 



cespitosa, Beauv 

 859 Aira, L. 



flexuosa, L 

 863 Trisetum, Kuiith. 



Pennsyivanicum, Trin 

 S64 Aveua, L. 



sativa, L. Common Oats 



palustris, Mx 

 865 Arrheiiatherum, Beauv. 



avcnaceum, Beauv. Oat-Grass 



871 Danthoiiia, DC. 

 spicata, Roein & Schult 



872 Uralepis, Nutt. 

 cuprca, Kunth 



Trihus X. Fcstucaceae. 

 876 Poa, L. 



pilosa, L 



hirsuta, Mx 



capillai-is, L 



Eragrostis, L 



reptans, Mx 



annua, L [Grass 



trivialis, L. Rough Meadow 



p rale n sis. L. Green Grass 



compressa, L. Blue Grass 



pungens, Nutt 

 878 Glyccria, R. Br. 



fluitans. H. Br 



Miehauxii, Kunth 

 880 Eaton ia, Raf. 



truncata, [ci\ Trisetum] 

 883 Briza; L. 



media, L 



Canadensis, Mx 

 887 Melica, L. 



speciosa, Muhl 

 892 J)actylis, L. 



glomcrnta, L. Orchard Grass 

 899 Fc-tuca, L. 



Tenella Willd 



duriuscula, L 

 Prate nsis, Herds, Fescue 

 clatior, L 

 nuians, Sprcng 

 eOO Jiroiuiis, T^. 

 secalinus, L. Cheat. Chess 



arvensis, LI (cfr. mollis) 

 purgans, L 

 ciliatus, L 

 pubescens, Muhl 

 902 Uniola, L. 

 latifolia, Mx 



Trihus XI. Hordeaceae. 



912 Lolium, L. 

 perenne, L. Rye grass 



913 Triticum, L. 



vulgare, Vill. Wheat. (Several 



varieties cultivated) 

 Spelt a, L. Spelt 

 Polnnicum, L. Polish Wheat 

 repens, L. Couch grass 



914 Secale, L. 

 cereale, L. Rye 



915 Elymus," L. 

 Canadensis, L 

 striatus, Willd 

 villosus, Muhl 

 Virgin icus, L 



916 Gymnosticlium, Sclireb. 

 Hystrix, Schreb 



917 Hordouin, L. 

 vulgare, L. Barley \ley 

 distichum, L. Two-rowed Bar-' 

 Trihus XII. Rottboelliaceae. 



930 Tripsacum, \j. 



dactyloides, L. Gama Grass 

 Trihus XIII. Andropogoneae. 

 950 Aiidropogoii, L. 



Kcoparius, Mx. Indian Grass 



furcatus, Muhl 



macrourus, Mx 



Virginicus, L 



Sorghum, Brot. Indian Millet 



cermnis, Roxb. Guinea Corn 



hico/or, |{oxb. Chocolate Corn 



saccharatus^ Roxb. Broom 

 Corn 



avenaceus, Mx. Indian Grass 



ORDO XLIII. CVPEllACEAE. 



Trihus I. Cariceae. 

 957 Carcx, L. Sedge, 

 rosea, Schk 

 cephalophora, Muhl 

 sparganioides, Muhl 



