21 



one side of a flattened rhachis, as in Paspalnm, but with a small lower 

 glume. 



10. P. platyphyllum, Munro, 



17. P. plantagineum, Link. 



Section V. — Brachiaria. Branches erect, or somewhat spreading, 

 not appressed, mostly approximate and sessile. 



18. P. prostratum, Lam. 



19. P. ca3spitosum, Swz. 



20. P. fasciculatum, Swz. 



21. P. grossariura, TAnn. 



Section VI. — Polystachya.— Branches of the panicle numerous, 

 spreading, single or subfasciculate, simple, or with some short branch- 

 lets, flowering to the base (except in P. Mans), spikelets sessile or very 

 short pedicelled. 



22. P. barbinode, Trin. 



23. P. gymuocarpon, Ell. 



24. P. repens, Linn. 



25. P. anceps, Mich, (some forms). 

 2G. P. laxum a Swz. 



27. P. hians, Ell 



Section VII. — Eupanicum. — Branches of the panicle subdivided, 

 single or fascicled, spreading and usually naked below, with the spike- 

 lets pedicelled, sometimes long-pedicelled. 



Panicle small, narrow; branches few, erect. 



28. P. ciliatissimum, BucTcl 



29. P. xanthophysum, Gray. 



30. P. pedicellatum, Vasey. 



31. P. depauperatum, Muhl 



32. P. angustiiblium, Ell, non Chapman. 

 Panicle small but diffuse, oval or oblong : 



3 >. P. nitidum, Lam. 



34. P. laxiflorum, Lam. 



35. P. dicliotomum, Linn. 



36. P. ueuranthum Oris. 



37. P. Joorii, Vasey. 



38. P. nudicaule, Vasey. 



39. P. consanguine am, Kth. 



40. P. scoparieum, Lam. 



41. P. Wilcoxianam, Vasey. 

 Panicle larger, oval, or oblong: 



42. P. spgerocarpon, Ell 



43. P. microcarpon, Muhl 



44. P. viscidum, Ell. 



45. P. commutatum, Schultz (P„ nervosum, Ell). 

 4G. P. clandestinum, JAnn. 



