9?2 (76) 'GRAMINEAE. 
Mas. DIPLOPOGON. 
Gluna wniflora, bivalvis, laxa, membranacea, aristata.  Pe- 
LI 
rianthium bivalve; valvula exterior apice triaristata, arista | 
ántermedia dissimili tortili: interior biaristata, Spica ca- 
/»$— pituliformis, 
Oss. Habitus et inflorescentia penitus 4mphipogonis lagu- 
roidis, floribus extimis pariter sterilibus involucrumque 
- . efformantibus. 
D. setaceus. (M.) v. v. 
ANISOPOGON, 
, . . . " » s 
Gluma. uniflora, bivalvis, aequalis, membranacea, laxa, ner- 
: osa. Perianthium pedicellatum, bivalve; valvula exte- | 
rior cylindraceo-involuta , apice triaristata, arista inter- 
media dissimili tortili, lateralibus setaceis: interior lon- 
ior, mutica. 
, 
Gramen tripedale, forma Avenae. Culmi simplices. Folia 
involuta , ligula ciliata. Panicula effusa, Glumae magnae. — 
Perianthii valvula exterior sericea cum arista obsolete 
" articulata, : 
Setula ad basin valvulae interioris arctiorem affinitatem — 
cum Danthonia, quam cum Aristida, indicat. 
.AÀ. avenaceus (L) v. v. 
DANTHONIA.  Decand. flor. franc. 5. p. 5a. 
Gluma bi-multiflora, bivalvis, membranacea , laxa , perianthio 
longior. Perianthium bivalve; valvula exterior inferne 
definite barbata, superne imberbis, apice triaristata, 
arista intermedia dissimili tortili quandoque abbreviata: E 
interior mutica. 
Gramina forma et similitudine Avenae, cui certe quam — 
mazime affinia, 
. Oss. In Africa Australi species ultra decem legi, quarum 
plures gluma biflora flosculo altero pedicellato, habita — 
etiam, a plantis Novae. Hollandiae parum diversae, vix ^g 
tamen separandae: an potius segregandae species aristis 
 abbreviatis , nempe D. paradoxa et decumbens? 
1, D. longifolia , panicula effusa, spiculis subquadrifloris | 
gluma laevi brevioribus, perianthii valvula exteriori ad 
medium villosa villis supremis elongatis valvulam occul- 
EL. MOONNOURR 
