SYNOPSIS OF THE GENEIIA. 







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

 each containing three stamens ; the terminal one perfect, 

 containing two stamens and pistils. Glumelles nearly 

 equal, with or without an awn. 



34. ME'LICA, [Page 109.] Panicle loose. Spikelets one ormore 



flowered, with the rudiments of one or more imperfect 

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

 florets. Glumelles two, unequal, awnless, becoming hard 

 and investing the fruit. 



35. MOL'INIA, [Page 110.] Panicle loose. Spikelels two or more 



flowered, and sometimes with an imperfect floret. Glumes 

 two, unequal, much shorter than the florets. Glumelles 

 two, nearly equal, awnless. 



ttt Spikelels three, or mostly many-flowered. 



36. Po'i, [Page 111.] Panicle loose. Spikelets three or many- 



flowered. Glumes two, shorter than the florets. Glumelles 

 two, nearly equal, awnless. 



37. TKIO'DIA, [Page 122.] Panicle racemed. Spikelets many- 



flowered. Glumes two, nearly equal. Glumelles two, 

 unequal ; xternal one with three nearly equal teeth j the 

 middle one stiff, straight. 



38. Bai'zA, [Page 123.] Panicle loose. Spikelets many-flowered. 



Glumes tvo, equal. Glumclles two, unequal, awnless ; the 

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

 Fruit closely invested with the glumelles. 



39. FES'TUCA, [Page 124.] Panicle loose or contracted. Spikelets 



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

 the outer valve acuminated or awned at the apex. 



40. BRO'MUS, [Page 131.] Panicle loose. Spikelets many- 



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

 awned below the bifid apex. 



41. AVE'NA, [Page 138.] Panicle loose. Spikelels two or more 



flowered. Glumes two, nearly equal. Glumelles two, 

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

 bearing a twisted dorsal awn. 



42. DACTT'LIS, [Page 144.] Panicle 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. 



