PANICUM. 25 
marginibus postice approximatis, interior ovato acutiuscula, 7- 
nervis ; palea exteriori floris neutrius exterioris sub acuminati 
5-nervis brevior. Palea interior hujusdem lanceolata mem- 
branacea, marginibus incurvis, nervis indistinctis. Flos. inte- 
rior hermaphrodit. extrorsum convexus introrsum concavus 
(quoad floris axin) Palee membranacee? (sub immature,) 
acute mutice exterior 5-nervis, interior binervis, marginibus 
inflexis membranaceis. ! Stamina 3. Lodicule cuneate, mar- 
gine superiore lunulato. Styli 2. Stigmata plumosa ratione 
stili aequalia. 
Erectum, asperum ; fol. lanceolatis utrinque acuminatis, pli- 
catis, vaginarum collis barbatis: ligulis ciliatis. Panicula ef- 
fusa nutante, ramis filiformibus, floribus inferioribus germi- 
natis, reliquis solitariis ; rachilla ultra flores quemque £ermi- 
nalem in aristam producta, gluma interiore flosculis breviore. 
Floris solitarius pedicellus raro apicem paulo infra in aristam 
product ; terminalis cujusque ramuli ut etiam rachille commu- 
nis semper. 
P. costatum Roxb. anne P. plicatam Lam ? Mauritii in- 
digenum. 
Situation and alternation of parts Pl. CXXXIX Fig. 229. 
a. Gluma exterior. 
bó. ,, interior. 
c. Palea exterior glumacea floris neutrius. 
d. ,, interior. 
e. Palea exterior floris hermaphr. 
.,, interior. 
Bengal. Circa tecta ad margines fluminis Barak Hubbe gunge 
prope: September lst, 1835. 
11. Panicum fluitans, Roxb. Fl. Ind. 1 296. Kunth Agr. 
1,78. Proximum P. mucronata Roth. 
Gramen paludosum basi decumbens, culmis compressis va- 
ginisque folia superantibus glabris, collo barbatis ligulis O- 
folia linearia acuta. 
D 
