+ 
| 
TRIANDRIA. DIGYNIA. a ee 
ae 
- Panicles lateral and terminal, spikelets often crowded, _ 
wers numerous; stipula obsolete, densely ciliate. 
* Flowers entirely deciduous. 
19. conferta, Eu. (panicles long and very erect, axil- 
liary and terminal; branches in conglomerate sessile clus- 
ters, crowded with membranaceous flowers, spikelets 
appearing pectinate or serrate.) 20. nitida, En 
** Diner valve of the corolla and rachis persistent. 
. 21. parviflora, (branches of the panicle dichotomously. 
divaricate; flowers distant, terminal, approximating b 
pairs upon unequal pedicells, inner valve of the coro : 
and rachis persistent; seed nearly spherical, rugose. The — 
"spikelets of this plant are somewhat glutinous. This is cer- 
| ‘tainly not the P. striata of Lamark.) 22. tenella. (Culm 
| slender, leaves short and subulate, panicle somewhat ver= 
be Aicillate, erect, branches capillary, flexuose and appres- 
_ sed, flowering towards their extremities. Spikelets few, 
r, somewhat acute, closely and incumbently imbri- 
cated. Calix unequal and very short; flowers erect, ap- 
pees pearing ng alternate, short evate, with an oblique apex, 
and almost obtuse,. obscurely neryed, ag a purple 
margin, and a whie scariose tine att € point. Pose 
- 
t Panicle elongated, almost haply branched at rs 
. branches erect; spikelets compressed, oblong-ovate, obtuse, up- 
on very short peduncies, 8 to 15-flowered; valves of the calix 
acute, nearly the length of the 3-nerved flowers, inner valve with — 
1nerve, the outer with 3; culm rather weak and compressed? _ 
leaves flat and smooth, stipula obsolete, softly bearded. a 
Ons. Culm simple, about 18 inches high; leaves few, rather . 
; long, flat, and smooth, a little asperate on the margin; panicle 
+. about 4 or 5 inches long, simply branched near the base, run- i 
Cred ang. out almost into a raceme above; flosculi closely imbricated, 3 
outer valve 3-nerved, truncate at wee pany St 
mina 3, short; styles slender, simply pennate. oasis 
mel Ss \ Briza virens? Walter. Flor. Car. 79. : 
eens Closely allied to the B. Eragrostis, (Poa wchainaiens but a4 
Boot readily distinguished by its unbranched, weak, and compressed _ 
, stem, the length of its leaves, which are not involute and rigid, 
: the scattered few-flowered panicle, and particularly the obtuse 
a * points of the flower glumes, and lastly by the calix, in which. 
‘- the larger valve is 3-nerved, and conse eaety similar to. 
: corolla, while the calix glumes of the Poa meg 
_each-but a single nerve, a character which not 
= from the pean speee, bens 
