CLXxiii. GBAMTNE-S. (J. D. Hooker.) 



3 



f'- .^ 



^ - 



^ 





t. 



Spikelets panicled, branches of pauicle produced beyond 

 the uppermost spikelets ; gl. I minute, hyaline . 



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

 tary .«., . ••••• 



§§ SjAlcelef^ awned, except in some sp, of Tricliolcena 

 and Arundinella. 



Spikelets of Panicim, but nerves of gl. II brondly 

 fimbriate, and palea of III deeply cleft, IV awned 



Spikelets silky; gl. I 0, or minute and distant from 11 

 and III with usually capillary awns . . • • 



Spikelets solitary or fascicled on a simple rachis or the 

 branches of a panicle ; gl. I long awned . 



Spikelets persistent on the pedicels, or gls. I and II sepa- 

 rately deciduous, IV deciduous; usually awned, awn 

 "bent 



7. Cham^raphis. 



8. Spinifex. 



9. AxoNOPrs. 



10. trichol.ena. 



11, Oplismenps. 



12. Akttndtnella 



13. Sktaria. 



5 "h , 



tt Spikelets each surrounded by an involucel of bristles . 



** Spikelets persistent on their pedicels, at least the fertile, or deciduous with 

 their pedicels. 



^ t Spilielets in involucelled deciduous fascicles, 



Involucel of bristles 



luvolucel of spines connate at the base . . . • 



; tt Spikelets not involucelled. 

 opikelets 2-seriate on a flat subarticnlate rachia 

 Spikelets (at least the fertile) 1 -seriate on an inarticulate 

 flat ra " 



14. Penntpetitm. 



15. Cenchrus. 



16. Stenotaphrum 



his, the base of which dilates and encloses a 

 fruiting spikelet 



17. Thuarea. 



. Tribe II. Oryze^. Spihelets l-fld., articulate on their pedicels and 

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



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



. .or setaceous . . ... . . - 18. Ortza. 



?pikelets 2-seTUfl] nv^rT^^oc«. »U 9. \.^.^^^ fhin . . 19. Leeksia. 



20. HYGHOttHTZA. 



21. Leptaspis. 



Tribe III. ZoTsiE^. Spikelets l-Hd.,' deciduous with their pedicels, 

 ^-sexual, or some imperfect. 



* Spilcelets fascicled. 



sJ-V ^T'^^^^^' fascicles unilateral 

 PiKes solitary; fascicles qunquaversal ; gl. Ill echinate . 



22. Teachy 

 2 J. Tragus. 



^ * Spikelets soliiaw, rarely 2-nate. 



racemes slender ; pedicels flattened; gl. 

 ^ cate . 



2i. Lattpbs. 



25. LopuoLEPis. 



26. Perotts. 



27. ZoxsiA. 



*F _ 



_ ^ L 



V ' ¥ 



V . 



gl. I and II muri- 



hSu^ *^^"^^^ ' spikelets minute, base of gl. I saecnte 

 P*^e very slender; spikelets narrow: gl- I and II 



^ fig^d ; spikelets appresscd to the rachis, not awned . 



• B^achis of inflorescence usually articulate. 

 int/'^^F- A^DRoroGONE.E. SpiJtehts nsually 2-natr, or the teminal 

 S,DtVl^- 1-""^^'' P*ir« ho«^«- or heterogamous. Fl. gl. smaller thau the 

 V 3, njalme, often awned or reduced to an awn. 



^ermnJ'V^^' 1. Matde^. Sj>ih7ets spicate, all 1 -sexual; male spikes in 

 3; ^^^ panicles, or continuous with the fem spike. 





-^ Ir 



-.-.:. ■'. 



