TKIANDRIA. i3 
hermaphroditi; s glumis 2 coriaceo -induratis persistenti- 
bus. - Injlorescentia varia . 
( 07 ) DfGlTAHJ d . Calix 2-v alvis , i-J!.orus , valvis concavis j 
ad exterioris husirn extus valvula accessoria minima aut 
obsoleta. Corolla 2,-valvis. Semen corolla corticatum. - Spi- 
cra digitatae , rachi lineari , Jloiibus uni-lateralibus du- 
plici serie . 
( 08 ) CYNODON. Calix 0.-V alvis , 1 -florus ; valvis naviculari- 
bus. Corolla ii-valvis ; valvula interiore angustissima, in- 
clusa. Semen corolla corticatum .-Spicre di g itat ce, rachi li- 
neari , fl.oribus uni-lateralibus duplici serie. 
Scct y.FJores panicuhili . Sjiicnlx 2 -mnll i-florne . 
(og) AIR A . Calix o-v alvis , ‘2-Jlorus , flosculis scepius longior. 
Corolla 2 ,-valvis , mutica , aut supra basim aristata . Se- 
men Uberum, corolla tectum. 
(4o) HOLCUS . Calix ‘2-v alvis, 2 -o~fl.orus , flosculo unico herma- 
phrodito sessili mutico ; masculo solitario : ( raro gemi- 
no') , pedicellato , gluma altera aristata : arista genicu- 
lata , vel hamata . 
(40 TdJiLJCA . Calix 2 -valvis ; valvis incrqualihus , laxis , ob- 
tusis , 2-3 vel I^-florus : flosculi 1-2 hermaphroditi , abor- 
tivo pedicellato accessorio unico, vel geminato . Corolla 
2-valvis, mutica. Semen liberum corolla tectum. 
( 42 ) ARUNDO . Calix 2 -valvis, multi-florus , nudus . Corolla 
2-valvis, basi luna persistente cincta . 
<43) A TENA. . Calix 2-valvis , 2-multi-floras . CoroUce gluma 
exterior apice bifida vel erosa, dorso aristata : arista con- 
torta, vel geniculata . ■ 
(44) festuca . Calix 2 -valvis, valvulis inaequalibus , multi- 
florus , flosculis brevior . Spicula oblonga , disticha. Co- 
rollae gluma exterior acuminata , aut arista terminali in- 
structu , interior apice bifldo acuto, margine nudo . (.Fi 
quibusdam; exterior paulo infra apicem bidentatum seti- 
’ ^^Herior margine scabra) . - Panicula composita . 
< 4 ^) EOA. Calix 2-valvis , multifl-orus , flosculis brevior. Spi- 
cula ovata . Corolla hivalvis ^ valvulis ovatis acutiusculis , 
margine scariosis . 
(i6) BRIZA . Calix 2-v alvis , multiflorus . Corolla 2 -valvis p, 
valvis ventricosis , cordato-obtusis , muticis ‘, interior mi- 
nuta . Semen coroUce adriaturn . 
(iy) BROMUS . Calix 2 -valvis , multiflorus. Spicula lanceolaia , 
disticha . Corullce gfnna exterior injra apicem aristata , 
interior nervis marghialihiis pectinato-cillatis vel serratis.- 
Floies paniculati ( aai spicati, arista exterioris glunice 
\ terminali . ) 
I |C4^) liOELEBlA . Calix 2 -valvis , 2-5~florus ; valvis compresso- 
J , ultci Q spiculam suhciqiuintv . Corolla 2 -valvis •, 
