1^2 



Graminece. 



\Panicum. 



L. base broad, cordate. 

 Gl. IV shortly awned. 

 Spikelets xo-f in. 

 Spikelets f-£ in. . 

 Gl. IV muticous 

 Spikelets distant, mostly long- 

 pedicelled. See also P. 

 ramosum. 

 Gl. IV stoutly stipitate . 

 Gl. IV subsessile . 

 Infl. panicled, panicle spiciform or 

 effuse. See also P. ramosum. 

 Glume II half as long as IV (Brevz- 

 ghimce). 

 Panicle very narrow, branches 

 very short .... 

 Panicle very broad, branches 



long 



Glume II as long as IV or longer. 

 Panicle narrow, spiciform, rarely 

 effuse, glumes II and III 

 very strongly veined, glume 

 IV very thin. 

 Glumes II and III 3-5 -veined 

 {Hymenachne). 

 Infl. panicled 

 Infl. spiciform 

 Glumes II and III 7-9-veined 

 (Vilfoides, Stapf.). 

 Infl. spiciform. 

 Glume I minute, spikelets 



lanceolate . 

 Glume I 5 as long as III, 

 spikelets gibbous. 

 Panicle 5-3 in. 

 Panicle 4-6 in. 

 Infl. an effuse panicle, spike- 

 lets gibbous . 



13. P. SETIGERUM. 



14. P. JAVANICUM. 



15. P. DISTACHYUM. 



16. P. SEMIVERTICILLATUM, 



17. P. REMOTUM. 



18. P. CANALICULATUM. 

 NODOSUM. 



19. P. 



23. 



24. 



AURITUM. 

 MYURUS. 



22. P. INTERRUPTUM. 



INDICUM. 

 MYOSUROIDES. 



25. P. 



Panicle broad, effuse (Effusa) 

 L. flat, not plicate. 



Glume I nearly as long as III 26 

 Glume I shorter than III. 

 Annual. 



Glume I not \ III. 

 Spikelets \-\ in. 

 Spikelets £$-$ in. 

 Nodes of stem gla- 

 brous 

 Nodes of stem 

 bearded . 

 Glume I=f III. 



Glume III 7-9-veined 30. P. 

 Glume III 3-5-veined 31. P. 

 Perennial. 



Glume IV rugulose . 32. P. 



CURVATUM. 

 See also P. curvatum. 



P. OVALIFOLIUM. 



27. P. MILIACEUM. 



28. P. MILIARE. 



CAESIUM. 



29. P. 



TRYPHERON. 

 HUMILE. 



MAXIMUM. 



