POACEAE 49 
Spikelets in groups of 2—5, the groups falling entire, the spikelets sessile on a 
short zigzag axis, the upper 1-3 reduced and sterile, the lower perfect, 1-flowered: 
first glume small and thin, or wanting: 
second glume of the two lower spikelets 
Three species, natives of the tropics, and 
more widely naturalized. 
N. racemosa (L.) Kuntze. Stem usually 
branching at the base and decumbent, 30 
em. long or ie leaf- ‘blades ciliate, mostly 
less than 5 em. long: spike 8 em. lo r 
less: spikelets n o mm. long, the acuminate 
aces, especially ballast, coast region of 
, and at more northern seaports; p in Tex. and Ariz. Nat. of Eu. 
18. ANTHAENANTIA Beauv. Erect perennials, with short creeping 
rootstocks, narrow, firm flat leaf-blades, the uppermost much reduced, and nar- 
= Tow panicles, the slender branches ascending or appressed. Spikelets obovoid, 
villous: first glume wanting: second glume and sterile lemma subequal, broad, 
fertile lemma cartilaginous, boat-shaped, 3-nerved, subacute, chestnut-brown, as 
long as the none the pale margins very narrow.—Two species, natives of the 
S United States 
Een Drones erect, or spreading at the apex, linear, folded at base: pane rd 
purple r 
Leaf-blades R or spreading (on the average shorter and broader 
an in si rh tapering to the apex, rounded at base: panicle 
usually pal 2. A. villosa. 
. A. rufa (Ell) Ee Stem d 
mid 0.6-1.2 r 
crowded, keeled, often art deaf blades 
apa tly 20-50 em. long, 2-4 wide: 
panicle 8-15 cm.. lon ng, 1.5- 3 wide, 
brownish at maturity, the e erect 
rol ee panne ape spike- 
let ous pubescence 
in pee ; do own middle of the inter- 
nerves,— Moist pu Coastal Plain, Fla. 
to Tex. and N. C. 
2. - Manes sa (Michx.) Beauv. Differs fro 
A. rufa in the short lower ids. “shorter, 
wider leaf- blades and paler, open 
aee ——Dry pinelands, Coastal Plain, Fla. 
o E Tex. and N. C. 
19. VALOTA Adans. Perennials from knotty pubescent crowns, the 
slender racemes erect or nearly so, aggregated along the upper part of the main 
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4 
