FESTUCEZ 223 
Nn. Lemmas papery, 8ca- 
rious-margined, nar- 
row and awned or 
acuminate, or broad 
and obtuse (the up- 
per lemmas then re- 
duced to a club- 
shaped rudiment 
enfolded by the up- 
per broad lemmas); 
spikelets tawny or 
purplish, not green.. MELIca. 
NN. Lemmas not scarious- 
margined, or if 
slightly so, only at 
the tip, the lemma 
green (Poa). 
o. Lemma _ obscurely 
nerved, rounded on 
back, obtuse, awn- 
less; glumes small, 
much shorter than 
lemmas. Low plants 
of the seashore and 
of alkaline soil ....PUCcCINELLIA. 
oo. Lemma distinctly 
nerved; glumes 
nearly as long as 
the first lemma. 
p. Nerves of lemma 
prominent, paral- 
lel; lemma broad, 
obtuse, awnless, 8- 
to 9-nerved......PANICULARIA. 
pp. Nerves of lemma 
evident but not 
prominent. 
q. Lemmas obtuse 
or acutish, awn- 
less, somewhat 
searious at tip, 
5-nerved, some- 
times cobwebby 
af, DARE ..s%.% «>» Pos (Par. 251): 
aq. Lemmas acute or 
awned. 
R. Lemmas entire, 
often awned, (Par. 254). 
rounded below. FESTUCA 
