juNcws. HEXANDRIA. MONOGYNIA. 363 



9. bulbosus L. : stem simple, leafy, compressed ; leaves 

 linear-setaceous, canaliculate ; panicle terminal, compound, 

 subcymose, shorter than the involucrum ; lealkts of the pe- 

 rianth incurved, obtuse or acute, generally shorter than the 

 ovate subglobose capsule. (V i 1 1 d. Spec. II. p. 213. Bich, 

 in Lin, Trans, XII. p. 307. Eng. Bot. t. 934. Pursh Fl. 

 I. p. 237. M u h L Gram. p. 201 . J. dichotomus Elliott 

 SJc. I. p. 406. excl. syn, M i c h. 



Itoot perennial, fibrous, forming large tufts. Stem erect, simple, 

 leafy, compressed, tough and wiry. Leaves very narrow, an- 

 gular beneath, but channelled above, short. Panicle small, 

 terminal, subtrichotomnus. Involucrum of 2 unequal setace- 

 ous leaves, the longer of which is shorter than the panicle. 

 Flowers mostly by threes, with obtuse scarious bracts at the 

 base. Leaflets of the fierianth lanceolate, incurved over the 

 capsule, generally acute. Stafnens 6. Cafisule dark brown, ob- 

 tusely triangular, rather longer than the perianth. Seeds fus- 

 cous, oblong, acuminate at each extremity, distinctly striate. 



Hab. In salt marshes, along the borders of creeks and ditches ; 

 very distinguishable at a distance by its dark green colour. 

 Common in the vicinity of New-York. Near New-Haven, 

 Connecticut. Mo nso n. August — September. 



10« J. hxifonius L. : stem dicliotomous above, panicu- 

 late ; leaves filiform-sietaceous, canaliculate; flowers subsoli- 

 tary, sessile, unilateral ; leaves of the perianth very acu- 

 minate, much longer than the elliptical-ovate capsule. B ic h. 

 inLin. Trans. X\\.^. 311. W'llld. Spec.W.^.'iXA. Eng. 

 Bot, t. 802. M ich, Fl. I,p.l9\. P ursh FL l.p. 238. 

 M u h i. Gram, p. 203. Elliott Syfc. I. p. 407. 



Root fibrous, annual, cespitose. Stem 3 — 6 inches high, dicho- 

 tomously branched a little above the base, terete, smooth. 

 Leaves few, shorter than the stem> with membranaceous 

 sheaths. Panicle large, loose, few-flowered. Involucrum re- 

 sembling the leaves. Flowers pale green ; bracts large and 

 membranaceous, white. Leaflets of the fierianth linear-lan- 

 ceolate, nearly as long again as the capsule. Stamens 6. Cafi- 

 sule obtuse, subtriangular. Seeds yellow, ovate, obtuse, striate. 



Hab. In low overflowed places ; very common on the borders 

 of salt marshes. June — August. 



t t Leaves rounded or subcomfiressed, nodose-articulate. 



1 1, J. acuminatui' M i c h. : stem leafy, erect; leaves te- 

 rete, nodose-articulate ; panicle terminal, compound ; heads 

 3 — 6-flowered, pedunculate and sessile; leaflets of the peri- 

 anth linear lanceolate, subaristate, shorter than the acute 

 capsule. M ic h. Fl, 1. p. 192. Pursh Fl. I. p. 237. 



