3PARTINA. TRIANDRIA. MONOGYNIA. 71 



1. p. 54. Big. Bast. I). ]7, E I lio 1 1 Sk. I. ^. 95. Dac- 



lYLis maritima IV a 1 1, Car. p. 77. 

 Root perennial. Culm 3 — 5 feet high, terete, a little succulent, 

 and very smooth. Leaves about 2 feet long, gradually taper- 

 ing to a long point, about half an inch wide, at length convo- 

 lute. Sheaths somewhat open. Sfiikes 8 — 14, closely ap- 

 pressed to a triangular rachis. Calyx appearing ciliate on 

 the keel under a lens ; inferior glume very narrow, half the 

 length of the other; superior glume mucronate by a continua- 

 tion of the callous keel beyond the tip. Corolla with unequal 

 linear-lanceolate valves, a little rough on the keel near the 

 apex, as long as tlie superior glume of the calyx ; the inferior 

 valve shorter. Stamens 3 ; anthers yellow. Style filiform ; 

 stigmas feathered. Seed oblong. 

 Hab. Common along the borders of salt-marshes, and on the 

 muddy shores of salt-water rivers. August — September. 

 Mr. N'u tt all found this species as high up the Missouri as 

 Fort Mandan, so that it is not confined to the vicinity of the 

 sea. 



44. ORYZOPSIS. Micha-ux, 



Calyx 1 -flowered, 2-valved ; valves membranaceous, 

 nearly equal, loose, obovate, awnless. Corolla 2-valved, 

 coriaceous, cylindric-ovate, hairy at the base ; the in- 

 ferior valve avvned at the tip. Nectaries linear, elon- 

 gated. Mich. Fl. I. p. 51. t. IX. {opt.) Nutt. 

 Gc«. I. p. 39. Roem.^ Schul t. Ge?i. 205. Tr i ;z. 

 Jgrost. 28. P.de Beau v. Agrost. t. VI. f. 5. Nat. 

 Ord. Gr a m I n EiE Juss. Flowers panicled. 



O, asperifulia M ich. : culnn nearly naked ; leaves erect- 

 rigid, pungent at the point ; flowers in a racemose panicle, 

 Mich. l.^c. Vahl Enum. 11. p. 397. Pursh Fl. L 

 p. 60. Roem. ^ Schnlt. \\.}^.'2QA. 



Root perennial. Culm about a foot and a half high, purple at 

 the base. Radical leaves nearly equalling the culm, acumi- 

 nate, glaucous beneath, scabrous on the margin ; culm-leaves 

 about 2, seldom exceeding an inch in length, and generally 

 much shorter. Sheath swelling, a little rough. Stifiule short, 

 truncate, ciliate. Panicle very simple, flexuous; branches 

 1 — 2-flowered ; fiowers all pedicellate. Glumes of the calyx 

 nearly equal in length ; the superior broader, abruptly acumi- 

 nate, a little larger than the corolla, 5 — 7-nerved. Corolla 

 with a bearded ring at the base, white, hairy ; inferior valve 

 involute and surrounding the inner valve, abruptly awned at 

 the apex ; anon bent, about 3-fourths of an inch long ; supe- 

 rior valve villose at the apex. Stamens 3 ; anthers linear. 

 Style 2-cleft; stigmas 2. (Style 3-cleft ; stigmas 2. Fa hi.) 

 Seed oblong, large, white. 



