13, Amcromeee provincialis Lam. (A. Pt at oc Muhl.) ae BLUE- 
STEM.—a, A sessile file and pedicellate s) ixelete: rst glume of the sessile spike- 
let: ¢, second lume ~ the same; d, third Bays , fourth, or flow rering glume, 
which isawned; f, Pasa ea; HO lodicules. oe hse ‘of this genusare illustrateds 
by figures 8-17 in and 309-323 in 
3. ANDROPOGON Linn. Sp. Pl. 1045, 1753. Spikelet ts heterogamous, in pairs 
(or the terminal ternate) ny each joint of the articulate and usually hairy 
fo prom 2 but more e pointed 
and keslod: 2 rid ume empty ‘and | usually ee tg yoo or flow 
hyaline, awned. Stamens 3, Styles distinct; stigmas plumose 
rowed; free where the Pesened outer F giames. » Slender or rather 
ennials with so ry, Sandy, or sterile soils, 
especially in the 
tropical and subtropical sesions. About forty species in the United States, 
chiefly in the South an 
ies abc / i aed pring zy 
