622 CLXI. GRAMINEZ. ZAZANIA. 
4, A. macrourus. Michx. Indian Grass. .. 
St. suleate on one side, much branched above, 2—3f high; Js. linear, 
rough, lower ones very long, upper ones erect; sheaths hairy; spikes conjugate, 
4—1’ long, in dense lateral and terminal, fastigiate panicles, partly concealed ; 
abortive spikelet without palee; § monandrous, with a straight awn.—2| 
Swamps, Mid. States to Car. Sept. 
5. A. nurans. Beard Grass. 
*Glabrous; st. terete, simple, 3—5f high; lws. glaucous, lance-linear, 
rough, 4’ broad ; panicle oblong, branched, nodding, 6—10' long; abortive spike- 
let without palez ; glwmes of the § hairy, ferruginous, shining; awn contorted. 
—2 Sandy fields, U.S. and Can. Oct. 
57. SORGHUM. 
Formed from sorghi ; the Asiatic name of one of the species. 
Spikelets in 2s or 3s, abortive ones pedicellate, awnless, with 2 
paleze, the perfect, sessile, 1-flowered; glumes 2, coriaceous ; paleve 3, 
the upper one awned. 
1. S. saccnHaritum. Broom Corn.—St. thick, solid with pith, 6—10f high ; 
lvs. lanceolate, acuminate, pubescent at base; panicle large, diffuse, with long, 
verticillate, at length nodding branches; glumes of the perfect spikelet hairy, per- 
sistent—@ From the E. Indies. The uses of this fine, cultivated plant are 
doubtless well known to our readers. + 
2. S. vutGare. Indian Millet.—St. erect, round, solid with pith, 6—10f high ; 
ls. carinate, lanceolate; panicle compact, oval, erect until mature; fs. pubes- 
cent; pale@ caducous; fr. naked.—Q) From the E. Indies. Rarely cultivated 
-as a curiosity, or for the seed as food for poultry. + 
Trize 11. ORYZE#.—Inflorescence panicled or spiked. Spikelets, solitary, 
1—3-flowered. Flowers perfect or diclinous. Stamens 1—6. 
58. LEERSIA. 
c In honor of John Daniel Leers, a German botanist. 
Spikelets 1-flowered, compressed ; glumes 0; palez 2, compressed, 
carinate, awnless; scales 2, membranaceous. 
1. L. oryzéipes. Swartz. Cut Grass. 
St. retrorsely scabrous, 3—5f high; dvs. lanceolate, carinate, the margin 
very rough backwards; sheaths also very rough with retrorse prickles; panicle 
much branched, diffuse, sheathed at the base; spikelets spreading; palee ciliate 
on the keel, white, compressed and closed; sta. 3—2, Avery rough grass, com- 
mon in swamps, by streams, &c., U.S. and Can. Aug. 
2. L. Vireinica. Willd. White Grass. 
St. slender, branched, geniculate or decumbent at base, 2—3f long, nodes 
retrorsely hairy; lvs. lance-linear, roughish; sheaths roughish backwards, 
‘striate ; panicle simple, at length much exserted, the lower branches diffuse; ls. 
pedicellate, in short, appressed, flexuous racemes ; lower palea boat-shaped, mu- 
¢ronate ; sta. 1—2.—2| Damp woods, U.S. and Can. Aug. | 
3. L. LENTIcULARIS. Michx. Catch-fly Grass. 
St. erect, 2—4f high; panicle erect; fls. large, roundish, imbricated ; sta. 
2; palee with the keel and veins ciliate——2 Wet places, Ohio, Frank, Ct., 
Eaton. 
59. ZIZANIA. 
& Glumes 0; spikelets 1-fiowered ; paleze 2, herbaceous. do Palez 
subequal, awnless; stamens 6. @ Spikelets subulate; pales un- 
equal, linear, lower one with a straight awn; styles 2; caryopsis 
enveloped in the plicate pales. 
1. Z. aquatica. Lamb. (Z. clavulosa. Michz.) Indian Rice. : 
St. 3/ in diameter, fistular, smooth, 6f high; Jvs. lance-linear, 2—3f long, 
an inch wide, smooth, serrulate; p-nicle a foot or more long, pyramidal, the 
