360 HEXANDRIA. MONOGYNfA. juncus. 



shorter than the perianth ; anthers yellow. Style scarcely any; 

 stigmas filiform, spreading. Cafisule triangular. Seeds mi- 

 nute, very numerous, yellow, attenuate at each extremity. 

 Hab. In low wet grounds ;** very common. 



Bog-riish or Bull-rush, 



2. J. setaceus Rostk.: scape filiform, striate; umbel 

 lateral, compound, few-flowered; peduncles many-flowered; 

 leaflets of the perianth subulate. Ro s t k. June. 13. t. 1. f. I. 

 Pers. Syn. I. p. 383. Pursh Fl. I. p. 236, Muhl. 

 Gram, p. 236. Elliott SL I. p. 404. J. Jiliformis 

 Mich, Fl. I. ^.Idt. Pursh \.c? IVal t. Car. p. 12A. 



Root fibrous, creeping, cespitose. Scafie very slender, about 2 

 feet high, a little curved above, terete, deeply striate, sheathed 

 at the base. Panicle scarcely more than an inch long, 20 — 30- 

 fiowered ; fieduncles compressed* Leaflets of the perianth 

 vt-ry acute ; the 3 exterior ones about as long as the capsule. 

 Stamens 6. Style short; stigmas filiform, brown. Capsule 

 triangular, acute. 



Hab. In swamps. Deerfield, Massachusetts. Cooley and 

 Hitchcock. lu Pennsylvania. Muhlenberg. 



Resembles J. Jiliformis of Europe, bvrt sufficiently distinct. 



3. J. acntus L.: scape naked, terete; panicle lateral ; 

 involucrum 2-leaved, spinous; capsule nearl)' round, mucro- 

 nate, as long a^ain as the perianth. B ic h. in Lin. Trans. 

 XII. p. 297. IV Hid. Spec. 11. p. 204. Eng. Bol. t. 1614. 

 P u r s h Fl. I. p. 235. M u.h I, Gram, p. 205. Elliott 

 Sk. I. p. 405. 



Root perennial, cespitose, forming very large tufts. Stem some- 

 times in distichous fascicles, ?. — 3 feet high, without leavesj^ 

 hard, rigid, wiih a marescent sheath at the base. Panicles 

 2 — 3 inches long, terminal, though appearing to be lateral. 

 Involucrum of 2 unequal acute and pungent leaves ; one of 

 them longer, the other shorter than the panicle. Leaflets of 

 the /zeriawfA lanceolate, acute, fuscous, membranaceous on the 

 margin ; the 3 exterior longer, acuminate, reflexed at the 

 point. Stamen's very short. Stigmas subulate, glandular. 

 Cafisule somewhat obovate, obtusely triangular, pointed with 

 the style. Seed angular. Ell. 



Hab. On the sandy sea-coast. New- Jersey, 8cc. Pursh. 



* * Lea-ves all radical ; (Jloivers terminal. J 



4. J. squarrosus L, : leaves setaceous, (rigid) gi-ooved ; 

 panicle terminal, elongated, compound; capsules elliptical. 

 Wind. Spec. U.T^.20d. Smith Fl. Brit. I. ^.318. Eng. 

 Bot. t. 933. Muhl. Cat. p. 36. 



Hab. In New-York. Muhlenberg. + 



This species is marked as a native of New-York, by Mtt h- 



