GRAMINE. (GRASS FAMILY.) 561 
panicle. Rachis jointed. Glumes membranaceous, obtuse, persistent. Palew 
nearly equal, somewhat chartaceous, obtuse, early falling away with the separat- 
ing joints of the rachis; the lower one naked, convex, 7-nerved. Stamens 2-3. 
Grain free, oblong. 
1. G. nervata, Trin. Culms erect; panicle diffuse, the capillary branches 
at length drooping; spikelets purplish, very numerous, ovate-oblong, 5— 6-flow- 
ered, nearly terete; lower palea oblong, obtuse, 7-nerved. (Poa parviflora, Pursh.) 
—Wet swamps, West Florida, and northward. July.— Culms 29-39 high. 
Spikelets 2” long. 
2. G. pallida, Trin. Culms erect or ascending; panicle narrow, nearly 
simple, with the capillary branches erect; spikelets pale, oblong-linear, 5 —9-flow- 
ered, nearly terete; lower palea oblong, minutely 5-toothed, 7-nerved. — Shallow 
water, North Carolina, and northward. J sir. — Culms 19-3? long. Spikelets 
y loe. —* 
3. G. fluitans, R. Brown. Culms thick, 'ascendiug from a creeping base; 
leaves long, broadly linear; panicle long, narrow, racemose; spikelets linear, te- 
rete, pale, loosely 7-13- Howered (i Lough lower palea obtuse, or slightly 3- 
lobed at the scarious apex, roughish, 7-nerved. (Poa fluitans, EU.) — Shallow 
water in the upper districts, and sth ea gene. sad on t Calms. 19-59 
long. Panicdlel?long. = 
4. G. rigida, Smith. Culms low (ar -4! high), A rigid; leaves 
subulate, }' - 13* long, involute and rigid when dry; panicle 1/—11' long, lance- 
olate, dense, 1-sided; spikelets linear, acute, 5-11-flowered, short-pedicelled ; 
glumes serrulate on the keel; paleæ obtuse, emarginate or mucronate. (Poa 
rigida, L.) — Dry soils, around Beaufort, South Carolina, Elliott. April and 
May. 
29. ARUNDINARIA, Michx. Cane or REED. 
Tall woody grasses, with clustered spreading branches, broad and flat persist- 
ent leaves, and racemose or panicled many-flowered spikelets. Glumes unequal, 
concave, membranaceous, awn-pointed. Pales rather loosely imbricated on the 
bearded and jointed rachis, nearly equal; the lowest one ovate-lanceolate, con- 
cave, many-nerved, awn-pointed; the upper roni 2-keeled. Stamens 3. 
Stigmas 3. Grain oblong, free. 
1. A. gigantea. (Cawr.) Culms arborescent, 10° -200 high, rigid, si sim- 
ple the first year, branching the second, afterwards at indefinite periods fruiting, . 
and soon after decaying ; leaves lanceolate (1'—9' wide), acuminate, smoothish ; 
panicles lateral, composed of few simple racemes; spikelets purple, erect ; lower 
palea lanceolate-ovate, pubescent, fringed (8// long), awn-pointed. (Arundinaria 
macrosperma, uuu of the larger rivers, Florida to North. Ciel 
February. 
Soie o Mall (RzE».) Culms slender, 29 - 10° high, branching ; leaves 
ol: Barsinets, rotghibh, aleae bnicded st dinis spike 
