286 TRIANDRIA DIGYNIA, Panicum. 
er, and woolly from the middle down, the other sort are small- 
er, and: without wool or hair. Calyx one or two-flowered, 
as in'the last; exterior valve minute, the other two as long as 
the corol, of which the apex of the exterior one is somewhat 
three-toothed. Seed smooth, very like common oats, but 
smaller, i 
Obs, It differs from P. Polystachyon in having the invo- 
lucels scattered round the pedicels and flower. It may there- 
fore be Rumph’s gramen caricosum, vol. vi. t. 7. f. 2. Aco 
7. P. interruptum, Linn, sp. pl. ed. Willd. i. 341. 
Culms above water erect. Spikes simple, cylindric ; —_ 
crowded, smooth, Cigar seed smooth, ack RY 
Benq. Nardula, ED 
Teling. Wolam. : econ Re 
A very large species, grows in deep lings water. - 
Culms ramous, those parts under the water swelled, as_ 
thick as the little finger, with many fibres from the joints; the 
parts above the water erect, about as thick as a common 
‘quill, from two to four feet high, smooth, involved in the ~ 
sheaths of the leaves, Leaves, sheaths longer than the joints, 
smooth. Racemes or spikes simple, erect, columnar, from” 
four to six inches high, Flowers small, oval, pedicelled, nu- 
merous, generally many, from nearly the same place. Jn- 
volucre entirely wanting. Calyx two, inner glumes striated, _ 
a 
from six to seven-nerved. Corol, the small flower is a oa 
here. Seed oblong, smooth, — nape : 
8. P. eurvatum. nian sp. pi = Willd. i. 952, 
Culms erect. Spikes curved; flowers crowded, smooth, a os 
hermaphrodite ; seed smooth. 
Grows about the borders of lakes, 
© Culms numerous, ramous, erect, as thick as a crcmtitgaily! oe 
frome to te feet high, smooth, » Leaves nUMerous,, Ee oe 
