GRAMINEAE juss. (Rottbo^llia.) 467 



Coelorachis, a Rottboelliis nonnisi spiculis rhachi applicatis (nec 

 immersis) diversum. 



4. R. F0RM0SA Brown. Prod. 1. 206. Kunth. Gram. 1.355, 

 t. 91. Spica teretip undique flosculosa; articulis glumisque ex- 

 terioribus hermaphroditi sericeis, neutris glabriusculis^ vacuis. 

 Brown. — Nova Hollandia. 



5. R. hirsuta Vahl. Symb. 1. 11. Willd. Spec. 1. 465. 

 Delile, Aeg. 32. t. 14. /. 1. Spica subulata, hirsuta; flosculis 

 hermaphroditis patentibus 5 sterilibus pedicellatis, adpressis. Vuhl. 

 Triticum aegilopoides ForsTc. Descr. 26. • — Aegyptus. 2fi 



6. R. villosA Poir. Encycl. 6. 313. Foliis margine sca- 

 bris; gluma calycina bitfalvi, biflora; flosculis sterilibus pedicel- 

 latis; fertilibus sessilibus, aristatis ; rhachi basi articulorum vil- 

 losa. Poir. — India orientalis. — R. hirsutae affinis. 



7. R. muricatA Betz. Obs. 3. 12. Willd. Spec. 1. 466. 

 Spreng. in Act. Petrop. 1810. 2. /. 7. Spicis teretibus, pluri- 

 bus, longe pedunculatis ; calycibus ciliato-aculeatis, neutris bifi- 

 dis. Betz. Aegilops niuricata Betz. Obs. 2. 27. Coelorachis 

 muricata Brongn. in Duperrey, It. bot. 65. t. 14. — India orien- 

 talis, Amboina, Insula Bournou. ( M oluccae. ) — Brongniart 

 huc ducit cum? Ischaemum rottboellioides Brown. 



8. R. FASCICULATA Brongn. in Duperrey, It. bot. 63. /. 14. 

 f. a. Culmo vaginisque striatis, glabris ; foliis planis, nervosis, 

 linearibus, basi cordatis, margine vaginisque rigide ciliatis; spi- 

 cis cylindricis, bipollicaribus , simplicibus , pedunculatis ; pedun- 

 culis fasciculatis , vagina spathacea ciliata semiinvolutis ; spicu- 

 lae fertilis gluma exteriore oblonga, obtusa, rhachi excavatae 

 arcte applicata, laevi; spicula abortiva fertili quadruplo minorc, 

 eadem foveola racheos inclusa. Brongn. — lnsula Bourou. (Mo- 

 luccae.) 



Species dubiae. 



9. R. CILIATA Nutt. Gtn. 1. 83. Culmo erecto, gracili; 

 spicis teretibus, longe pedunculatis ; floribus pedicellatis , uni- 

 lateralibus ; pedicellis rhachique margine villosis ; calyce et co- 

 rolla bivalvibus. Nuit. — Georgia. — Habitus et character An- 

 dropogonis. (Nutt.) 



10. R. glabrA Boxb. Flor. Ind. 1. 353. Versus basim re- 

 pens, extremitatibus erectis, glabris ; foliis bifariis ; floribus om- 

 nibus hermaphroditis ; calyce unifloro; corolla trivalvi. Boxb. — 

 Bengalia. 



11. R. PILOSA Both. in Boem. et Schult. Syst. 2. 785. Ca- 

 lyce bivalvi; spiculis subtrifloris, submuticis ; flosculis basi pilo- 

 sis; foliis convoluto-setaceis vaginisque pilosis; culmo setaceo. 

 Both. R. trichantha Both. Nov. Spec. 43. — India orientalis. 



12. R. biflorA Boxb. Flor. Ind. 1. 357« Setacea; spicis 

 simplicibus, subulatis ; rhachi non articulata, bifariam excavata 

 pro receptione flosculorum biflororum. Boxb. R. Roxburghiana 



[30«] 



