136 Triandria. 
branaceam muticam obtegens. Cal, cf 2florus : cor, altera 2- 
altera lvalvi. 
317. Cenchrus. Racemus Ipicatus. Involucrum lub -4partitum, 
calyces quaternos continens. Cal, 2florus. Cor. altera ^ 2-, 
altera <$ lvalvis. 
318. Permijelurn Rich. Perl. Spica racemofa, Involucrum multi- 
letum 1-aut Sflorum. Cal. 2florus, corollis altera §,> neutra 
altera brevior. 
319. Tripfacurn , Spica flosculis monoecis, Calyces $ fuperiores 
Svalves 2fiori : § inf. 2valves 2flori , rhacheos articulis incraffa- 
tis finuatis immerfi: in his praeter cor. § 2valvem neutra lval- 
vie. 
320. Hilaria Humb. Spica. Involucrum 6partitum ariffcatum an- 
drogynum, Calyces <$ feni laterales, feminea centralis folita- 
ria. Cor. 0. 
321. Setaria P. B. Panicula fpicata. Involucrum 2- vel multife-. 
tum. Cal. 2florus , valva ext. minima, Cor. § 2valvis, valva 
inferiore fuperiorem involvente. Cor. neutra 1- aut 2valvis. 
322. Orthopogon R. Br. Spica compofita. Cal. 2valvis fubaequa- 
lis 2floru$ , valvis inaequaliter arihatis. Flosculi disfimiles, ex- 
terior cf vel neuter, 1- yel 2valvis, interior § femen inclu- 
dens, 
323. Panicum , Spica, racemus vel panicula. Cal. 2florus valva 
altera plerumque minima aut obloleta. Cor. § 2valvis, $ vel 
neutra 1- vel 2valvis, utraque mutica. 
324. Gynerium W, Flores paniculati dioeci. Cal, 2florus, flos^ 
culo altero feffili, altero pedicellato : cf corolla brevior, $ lon- 
gior. Cor. § lanuginofa fubulata. 
325. Bechrnannia Hoft. Flores racemofo - paniculati llaterales, 
Cal. 21'lorus , valvis fornicati?, corollas roftrato-^ mucronatas 
aequans. 
326. iSecale , Spica. Involucrum 2valve 2florum. Cor. valva inf, 
fetigera, fuperior conduplicata. Squamae hypogynae. Semen 
liberum. * 
327. Tetrapogon Desf. Spica flosculis 4fariam difpofitis. Cal. 3flo- 
rus, flosculis brevior. Cor § 2 inferiores, valva inf, fetigera, 
Cor, abortienti? valva utraque fetigera, 
*** Calyces, multiflori , 
328. Triticum , Spica aut racemus, Cal. 2- vel multiflorus, valvis 
muticis vel mucronatis. Cor, valvae muticae vel ariftatae. 
329. Lolium , Spica compofita, fpiculis rhachi appreffis. Cal. 
lvalvis multiflorus. Cor. 2valvis fubmutica, Semen cortica-? 
tum. 
$30, Aegilops , Spica compofita, fpiculis rhachi infculptis. Cal, 
cartilagineus 3 -multiflorus flosculis longior arihatus. Cor. 
valva inf. ariftata, 
331, Elymus , Spiculae fpicatae aggregatae involucratae fubmul- 
tiffcrae. Cor. mutica vel arihata, 
332, Pommereula , Spica. Cal. 2valvis turbinatus 3 - multiflorus, 
valvis cuneiformibus 4fidis fetigeris dorfo ariftatis. Cor. 2val- 
vis, valva ext. 4fida fetigera dorfo ariftata, inter, mutica. 
