6p | TRIANDRIA. DIGYNTA. 
— Corolla 1 or 2-valved, with or without a termi= 
_ nal awn. Stamina 1 to 3. eS 
_- -“ §re Erganruus, vlichaux. ck 7 od oa al- 
- most in the form of a spike; terior glume of the corolla . 
always terminated by along awn, Stamina 2. (Nearly al- 
lied to Andropogon.) re se ee 
Culm tall and solid, terminated by an appressed spike- = 
like panicle; involucrate villus, of various lengths; inner © 
glume of the corolla always awned, awn straight; (in E. 
contortus spirally twisted, and the flowers alternately pe- 
dicellate: perhaps an Andropogon;) leaves expanding; calix 
Species. 1. ecurotdeum. ~(The trivial name of gi+ . 
_ganteum given by Walter and retained by Persoon, can 
only be ised with propriety relative to the genus with | 
which Walter at first associated it;as a Saccharum, which 
it is, although indeed tall, it is almost every way inferior 
in size to the other species of the genus.) 2. brevibarbe. 
3. strietum, Ex. 4, contortum, Ku. 3 
This genus, with the exception of the North American 
S€ction, is confined to the tropics. There is 1 species in 
Teneriffe, 1 in Japan; the S. offcinarum or true sugat- 
cane, with four other species are natives of India; there 
is another species in the West Indies, tin Guinea, and 1 
in Italy, with the §. cylindricum common to the South of 
Europe and Barbary. 
$8. ANDROPOGON. L. (Beard-grass.) 
Flowers in pairs, polygamous; the herma- 
phrodite sessile; the masculine or neutral flow- 
er, without awn and pedicellate-—HerMAPHRO- 
pire. Calix 2-valved, 1-flowered. Corolla of 3 
_ valves; the second valye smaller and awned, tie 
third interior minute. Stamina 1 to 3. Recepta- 
r- 
cle or rachis mostly villous. Jnvolucrum, a fas- 
__, Ciculate villus at the base of the flowers. (In 
___- Many species the leaves are boat-shaped, or like 
_tumid sheathes.) * ' : 
ally cleft into numerous flat branches, 
ally in proliferous or concatenated branch- _ 
;, spikes), disposed by pairs, by threes, or 
‘igitate arising from the summit of sin- 
om 
cn 
