i6 
TRIANDRIA. DIGYNIA. 
BRIZA. CaL bivalvis* Cor. ventricosa, valvis cor- 
datis, obtusis. Semen corollse adnatum. 
BRIZA. Cal. 2 valves, Bloss. heart-Piaped^ valves 
blunt^ bellying, 
POi\. Cal, bivalvis. Cor. valvis ovatis, acutiuscu- 
lis, muticis. 
POA. Cal. 2 valves, Bloss. egg-Jkaped^ valves 
fharpiJJi, 
FESTUCA. CaL bivalvis. Spicula oblonga, tcrctl- 
uscula; glumis acuminatis. 
FESTUCA. Cal. 2 valves, Bloss. oblong: valves 
Jharp’pointed. 
BROMUS. bivalvis. Spicula oblonga; glumis 
sub apice aristatis, imenore ciliata. 
BROMUS. Cal. 2 valves. Bloss. oblong] outervalve 
with an awn fixed below the point. 
A VENA. Cal. bivalvis. Cor. gluma teretiuscula, 
dorso aristata. Arijia contorta. • 
A VENA. Cal. 2 valves, Bloss. oblong ; valves with 
a jointed awn upon the back. 
ARUNDO. Cal, bivalvis. Flosculi lana persistente 
cincti. 
ARUNDO. Cal. 2 valves. Bloss. awnlessy woolly 
at the baje. 
# » * * Spicati, receptaculo commani scrobiculato, 
4. Grasses. Flowers forming a spike y on a long and 
slender receptacle, 
LOLIUM. Cal, monophyllus, fixus, multiflorus. 
LOLIUM. Involucrum i leafy containing 1 many^ 
floweredfpiket. 
