394 97. geaminejSE. 



[2. EcHiNOCHLOA. Spikes . Gompound, secunij in the whole 

 and in each part. Spikelets on one side ofi the flattened 

 partial fachis, • 2-flowered, inferior fli rudimentary. Ol, 2, 

 lower 8-veined, upper equalling fl. S-veined mucronate or 

 awned. Lowei* pale of sterile fl. like and equalling upper 

 giume;] ' ' 



3. Setabia, Spike cylindrical, compound. Spikelets sur- 

 rounded bffan involucre of bristles, 2-flowered; inferior fl. 

 rudimentary. 'O-l. 2, lower 3-veined, upper equalling fl. 

 many-TBiued. ' Sterile fl. of 1 pale,'like and equalling upper 

 glume. ''' "■■!'■ 



Tr. II. CHLOlltDEJE. .Spikelets laterally compressed It^ofe- 

 ered in our plants and sometimes with a superior rudiment j 

 placed in 2 rows on one side of a flattened rachis, or alternate 

 and unilateral. 



4. Cynodon.; ( Spikes ,fing?red, spreading. Spikelets 1- 

 flowered, awnless, with a superior rudiment. Gl. nearly 

 equal, patent. Pales equal ; loWe* hoatshaped, compressed, 

 embracing the. inner. Styles long, distinct. , Stigmas fea- 



! theiy. , 



5. Spaetin^. Spikes umiffht, in a raceme. Spikelets 1- 

 flowered,_awnl^as. Gl. unequal; upper lanceolate. ' Pales 

 imequal ; lower , hoatshaped, compressed. Styles long, 

 united halfway up. Stigmas feathery. 



6. MiBORA. Inflorescence a somewhat \-sided ' rnceme.' Gl. 

 not keeled, Munt. Fl. 1. Pale 1, soarious, very hairy, 

 blunt, not awned.; •'] y i . \ ) i ■,.!,.. . 



Tr:III. PHALARIDEuE. Eanioled. Spikelets laterally coin- 

 pressed, 1-Jlowered, with 1 or 2 giumelike in frn-ior rudiments, 

 or 1 or 2 inferior mEile, flowers. Gl. equal, ooyering the 

 flowers.' Styles long. Stigmas filifoi-m. 



7. P&ALAHis, Gl. 3, boatshaped, keeled/membrandtis, nearly 

 equal, ebiceeding- th'fe'flWer. Pales 'coriaceous, unequal, 

 closely investing the' frUit. Rtidimfentary fl. 1 — 2, scale- 

 lil^S' , ,!■ i 



, 8. ANTHoxASTTHtiM. Gl. 2, uneqitftl, membranous ; lower small, 

 - ■ 1-veined; iippel' exceeding the! ft, 8-veined.' Pales scarious. 



Stain. 2. ' Eudilnentary fl.' 2, scalelike, bifld, awned on the 



back. 



9. HiEKOCHLOE. GL S, nearly equal, membranous, about 

 equalling the spikelet. Fl.- 3 ; 2 lower male, S-andious, 



