Setaria.} GRAMINACEAE. — 503 
oret oblong- pointed, chartaceous. Anthers and stigmas Pap 28 the 
ee elongate, long-exserted from the apex of the floret. — O. Oahuensis, 
Nees. — Panicum compositum, L. — Trin. Icon, ene 188. — Orthopogon 
aS R. Br. — Hook. & Arn. in Beech. 1 
Common in the outskirts and open glades of forests. Na «Hon — The 
species is found in most tropical and subtropical relink genes of ong old World. 
4. SETARIA, Beauv. 
Spikelets as in Panicum proper and awnless, but the short Eaten 
either lateral on a long bristly axis, or terminal and armed below with 
one or several long bristles. Panicle contracted, cylindrical, ar -like. 
Suncexus DISSOCHONDRUS, Hillebr. 
Fertile florets 2, both hermaphrodite, with hardened glumes and paleae, 
raised on a distinct callus. Leaves stipitate on a biauriculate sheath. 
relation to Setaria copes that of Isachne to the Miliaria section 
ars of Pan 
but in pba the pedicels are continuous with the spikelet. Stipitate and diacedmaane 
t id pi if. 
Geographical range of Panicum, the subgenus limited to our species. — & quite recent 
pelea is S. verticillata, a small annual with interrupted spike and retrorsely barbed 
1. S. biflora, s sp. 0. — Erect, branching, l'/2—3 ft. hi gh, the s 
gradually acumi a contact at the base into a aoe: Hageaesenee 
and prominently ribbed, glabrous, rough at t 
end of the rib; the sheaths much longer than their internodes, glabrous, 
compressed, carinate, open, drawn out into two narrow lanceolate auricles 
of '2—1‘ in length. Ligule short ovate, searious. Panicle cylindrical, 
spike-like, 6—9‘ long, 2!/2“ thick, its short flexuose branches crowded 
arel 
Spik lets Ls old: soikbed, peneceery Empty ees two, thin, cast 
than the next and faintly nerved, the 
a 
as in Isachne, their glumes concave, 
long, clasping the ovary and stamens. 
pale sagittate anthers. Ovary glabrous. 
in the upper 
Lanai! 
Styles cae below, penicillate 
