CLXxiii. GBAMiNEJi. (J. D. Hooker.) 



7. Chamjjeaphis. 



8. Spinifex. 



Splkelets panioled, branches of panicle produced beyond 

 the uppermost spikelets ; gl. I minute, hyaline . 



Dioecious, male spikelets in clustered spikes, fern, soli- 

 tary 



§§ Spikelef'i awned,, emept in some sp. of THcholceiia 

 nnd ArunAinella. 



Spikelets of Panicum, but nerves of gl. II broadly 

 fimbriate, and palea of III deeply cleft, IV awned • 



Spikelets silky; gl. I 0, or minute and distant from II 

 and III with usually capillary awns .... 



Spikelets solitary or fascicled on a simple rachis or the 

 br.anches of a panicle ; gl. I long awned . 



Spikelets persistent on the pedi?els, or gis. I and II sepa- 

 rately deciduous, IV deciduous ; usually awned, awn 

 bent ....... . . 



tt Spikelets each surrounded by au involucel of bristles . 

 ** Spikelets persistent on their pedicels, at least the 



their pedicels. 



f Spikelets in involiineUecS dedduous fascicles. 



Involucel of bristles , 



luvolucel of spines connate at the base .... 



tt Spilcelets not invohicelled. 

 Spikelets 2-seriate on a flat subarticnlate rachis 

 Spikelets (at least the fertile) Iseriate on an inarticulate 

 flat rachis, the base of which dilates and encloses a 

 fruiting spikelet .... ... 



Tribe II. Ob.yze,e. Spilcelets 1-fld., articulate on their pedicels and 

 deciduous from them. Palea 1-3-nerved. Stamens 6 or fewer. 



9. AxoNOPrs. 



10. teiohol.ena. 



11. Oplismenps. 



12. AEUNDINBLtA. 



13. Setaeia. 



fertile, or deciduous with 



14. Pennipetum. 



15. Cenohrus. 



16. Stenotaphrdm:. 



17. THtTAEEA. 



Spikelets 2-sexual, awned or not ; gls. 4, I and II minute 



or setaceous ..... . . 18. 



Spikelets 2-sexual, awnless ; gls. 2, broad, thin . 19. 



S pikelets 2-spxual, awned j gls. 2, narrow, thin . . 20. 



Spikelets 1-sexual ; fruiting gl. inflated ; leaves broad . 21. 



Tribe III. Zoysib^. Spikelets 1-fld., deciduous with their pedicels, 

 2-sexnal, or some imperfect. 



* Spikelets fascicled. 

 Spikes geminate; fascicles unilateral .... 

 Spikes solitary; fascicles quiiquaversal; gl. Ill echiuate . 



** Spikelets solitary, rarely 2-nate. 

 Bacemes slender; pedicels flattened; gl. I and II muri- 

 cate .......... 



Kaceme slender ; spikelets minute, base of gl. I saccate . 



ispike very slender; spikelets narrow; gl. I and II 



awned ..... . . 



Spike rigid ; spikelets appressed to the rachis, not awned . 



II. Eachis of inflorescence usually articulate. 



Tribe IV. ANDaopoGONB^. Spikelets usually 2-nate, or the terminal 

 in the infl. 3-nate, pairs homo- or heterogamous. Fl. gl. smaller than the 

 empty, hyaline, ot'ten awned or reduced to an awn. 



Subtribe I. Maydb«. Spilcelets spicate, all 1 -sexual ; male spikes in 

 terminal panicles, or continuous with the fem spike. 



B 2 



Oetza. 



Leeksta. 



Hyoiiorhtza. 



Leptaspis. 



22. Teachts. 

 2i. Tragus. 



2i. Latipes. 

 25. LoPnoi.EPi8. 



26. Perotis. 



27. ZOYSiA. 



