jo. PANICU-VÎ. . . '. Cal. gluma * trivalvis , val-
- vula exteriore minima , ba-
si includence valvas majores ;
sæpius.uniflpra.
51. PASPALUM. . . Cal. gluma bivalvis , valvules
tteqdalibu^: cor. uni-bi-
valv.is, calyci æqualis- : flores
se'cundi, rachi submem-
branacea.
j i . ROTTBÔLIA. . . Spica teretinscula , articulata
: flosculi rachis sinubus
cavis appressi : calyx gluma
univalvis, simplex aut bipar-
tita , uniflora : corolla bival*
vi9v
53. HORDEUM.. . , Cal. glumæ duæ tresve in sin-
, -. . gulo rachis dente, bivalves,
involucriformes , unifloræ :
cor. bivalvis , vaivula exteriore
aristata (1).
j 4. STIPA. , . > . . .’ Cal. gluma bivalvis, laxa :
cor. bivalvis , vaivula exterior
, aristâ terminaliJongis-
sima , tortili , basi articu-
lata, instructa.
j j . CALAMAGROSTIS. Cal. gluma glabra , bivalvis
, non cari nato-al ata :
cor. bivalvis , basi pilosa,
semini adnata.
j6. SACCHARUM. . Cal. gluma bivalvis, basi lanugine
longa cincta : cor. bivalvis
, glabra , semini adnata.
57. LAGURUS. . ... Cal. gluma bivalvis , valyu-
( 1 ) Valvul» interior corollina basi s*pe appendiculam aetaceam
liabet.
TRIANTHERIA. MONOSTYLIA. 41
lis apice aristatis, arista vil-
losa : cor. bivalvis, vaivula
exteriore triaristata , aristis
duabus apice, tertia dorso.
(B ) Floribus polygamis.
r8. ANDROPOGON. Cal. gluma bivalvis: cor.bi- 7 valvis , vaivula exteriore ad
basin aristata, arista tortili.
Muse. Flos saspius muticus.
Hermaph. Flos aristatus, ap-
proximatits in eadem pani-
cula aut spica.
Faspalum-sanguinak-dactylon.
** Gluma calycina hi aut triflora*
( A ) Floribus bermaphroditieis.
jp. A I R A . ................Cal. gluma bivalvis, valvulis
acutis , aequalibus : cor.
bivalvis , valvulis calyci si-
millimis : nullum corpuscu-
lum , sive floris rudimentum
inter duos flosculos.
6c. MELICA...............Cal. gluma bivalvis : cor.
bivalvis: corpusculum pedi-
cellatum inter duos flosculos
: nectarium monophyl-
lum gcrmen artibiens : fila-
F men