486 



HISTORY OF 



857 Deschampsia, Beauv. 



cespitosa, Beauv 

 859 Aira, L. 



flexuosa, L 



863 Trisetum, Kiinth. 

 Pennsylvanicum, Trin 



864 Aveiia, L. 

 sativa, L. Common Oats 

 palustris, Mx 



865 Arrhenatherum, Beauv.] 

 avenacevm, Beauy. Oat-Grass 



871 Danthoiiia, DC. 

 spicata, Roem & Schult 



872 Uralepis, Nutt. 

 cuprea, Kunth 



Tribus X. Festucaceae. 

 876 Poa, L. 



pilosa, L 



hirsLita, Mx 



capillaris, L 



Eragnjstis, L 



re plans, Mx 



annua, L [Grass 



trivialis, L. Rough Meadow 



pratensis. L. Green Grass 



compressa, L. Blue Grass 



pungens, Nutt 

 878 Giyceria, R. Br. 



fluitans. H. Br 



Michauxii, Kunth 

 880 Eatonia, Raf. 



truncata, [cfr Trisetum] 

 883 Briza, L. 



merlia, L 



Cana iensis, Mx 

 S87 Meiica, L. 



speciosa, Muhl 

 892 Di'Ctylis, L. 



ghmerata. L. Orchard Grass 

 899 Fe tiica, L. 



Tenella Willd 



di^riuscula, L 



Pratensis, Herds, Fescue 



elatior. L 



iiuians, Spreng 

 goo Broiiius, L. 



secalinus, L. Cheat. Chess 



arvensis, LI (cfr. mollis) 

 purgans, L 

 ciliatus, L 

 pubescens, Muhl 

 902Uniola, L. 

 latifolia, Mx 



Tribus XT. Hordeaceae. 



912 Lolium, L. 

 perenne, L. Rye grass 



913 Triticum, L. 



vnlgare, YiW. Wheat. (Several 



varieties cultivated) 

 Spelta, 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 

 Virginicus, L 



916 Gymnostichum, Scbreb. 

 Hystrix, Schreb 



917 Hordeiim, L. 

 vulgare, Li. Barley \Jey 

 distichum, L. Tico-roiced Bar- 

 Tribus XII. Rottboelliaceae. 



930 Tripsacum, L. 



dactyloides, L. Gama Grass 

 Tribus XIII. Andropogoneae. 

 950 Aiidropogon, L. 



scoparius. Mx. Indian Grass 



furcatus, Muhl 



macrourus, Mx 



Virginicus. L 



Sorghum, Brot. Indian Millet 



cernuus, E-oxb. Guinea Corn 



bico/.or, Hoxb. Chocolate Corn 



saccharatus, Roxb. Broom 

 Corn 



avenaceus, Mx, Indian Grass 



ORPO XLIII. CYPERACEAE. 

 Tribus I. Cariceae. 

 957 Carex, L. Secke. 

 rosea, Schk 

 cephalophora, Muhl 

 sparganioides, Muhl 



