SYNOPSIS OF THE GENERA. 



nearly equal, three-flowered, the two lateral florets neuter, 

 each containing three stamens ; the terminal one perfect, 

 containing two stamens and pistils. GlumeUcs nearly 

 equal, with or without an awn. 



34. Me'lica, [Page 109.] PanicleXoose. Spikelels oue ormore 



flowered, with the rudiments of one or more imperfect 

 ones. Glumes two, nearly equal, about as long as the 

 florets. Glunielles two, unequal, awnless, becoming hard 

 and investing the fruit. 



35. TVIol'inia, [Page 110.] PaHJc^e loose. Spikelets two or more 



flowered, and sometimes with an imperfect floret. Glumes 

 two, unequal, much shorter than the florets. Glumelles 

 two, nearly equal, awnless. 



f f f Spikelels three, or mostly viany-flowered. 

 3G, Fo'a, [Page 111.] Panicle loose. Spikelels three or many- 

 flowered. G/wm^s two, shorter than the florets. Glumelles 

 two, nearly equal, awnless. . 



37. Trio'dia, [Page 122.] Panicle racemed. Spikelelsmmy- 



flowered. Glumes two, nearly equal. Glumelles two, 

 unequal ; external one with three nearly equal teeth ; the 

 middle one stiflf, straight. 



38. Bri'za, [Page ?23.] Pa 7«/c/e loose. S/??Ac/^/s many-flowered. 



Glumes t>vo, equal. Glumelles two, unequal, awnless ; the 

 onler convex, swelled at the base ; the inner smaller, flat. 

 Fruit closely invested with the glumelles. 



39. Fes'tuca, [Page 124.] PartJc/<? loose or contracted. Spikelels 



many-flowered. Glumes two, unequal. Glumelles two, 

 the outer valve acuminated or awned at the apex. 



40. Bro'mus, [Page 131.] Panicle loose. Spikelels many- 



flowered. Glumes two, unequal. Glumelles two, the outer 

 awned below the bifid apex. 



41. Ave'na, [Page 139.] Panicle \oose. Spikelels two or more 



flowered. Glumes two, nearly equal. Glumelles two, 

 lanceolate, nearly equal ; the ottter bifid at the apex, and 

 bearing a twisted dorsal awn. 



42. Dactt'lis, [Page 144.] Pa?j?c/e loose or contracted; branches, 



solitary, the lower ones long, the upper very short. Spike- 

 lets clustered, three or four-flowered. Glumes two, unequal, 

 Glumelles two, lanceolate, nearly equal, the outer with a 

 short awn. 



