372 MONOCOTYLEDONOUS PLANTS. 



6. J. tcnuis IFilld. : stem leafy, simple, nearly terete ; leaves seta- 

 ceous, channelled ; flowers approximate, subsesile ; periantli longer 

 than the obtuse capsule, J. bicornis Mich. 



HAB. Low grounds. Penn. to Car. June, July. 1. Stem 10 

 inches high, often naked. Panicle terminal, often proliferous, 

 with a long leafy involucre. 



*** Stems leafy. 

 t Leaves nearly plane, channelled above. 



7. J. bulbosus Linn. : stem simple, leafy, compressed ; leaves mostly 

 radical, linear-setaceous, grooved ; panicle terminal, compound, sub- 

 -cymose, shorter than the involucre ; leafets of the perianth incurved, 

 obtuse or acute, mostly shorter than the roundish ovate capsule. J. 

 dichotomus Ett. 



HAB. Salt marshes. N. Y. to Car. Aug. If. Stem 812 

 inches high. Panicle small, terminal, dichotomous. 



8. J. bufonius Linn. : stem with a dichotomous panicle ; leaves fili- 

 form-setaceous, grooved ; flowers subsolitary, sessile, unilateral ; leaf- 

 ets of the perianth very acuminate, much longer than elliptical-ovate 

 capsule. 



HAB. Moist places. Can. to Car. Aug. . Stem 3 C 

 inches high, divided towards the top. Panicle loose, few-flow- 

 ered. 



9. J. marginatus Rostk. : stem compressed ; leaves flat, smooth ; 

 corymb terminal, simple, proliferous ; heads 5 10-flowered ; flowers 

 .triandrous ; leafets of the perianth about as long as the obtuse cap- 

 sule ; the outer ones and the bracts subaristate. J. aristulatus Mich. 

 J. triglumis U'nlt. 



1. odoratus Torr. : stem tall, subterete, leafy j panicle much branch- 

 ed, proliferous. 



HAB. Low grounds. N. Y. to Car. Aug. !(. Stem 1 3 feet 

 high Var. & has an odorous smell found in moist woods near 

 New-York. 



10. J. trifidus Linn. : leaf mostly solitary near the summit, linear- 

 setaceous ; sheaths ciliate ; bracts foliaceous, very long, grooved ; 

 heads about 3-flowered, terminal. 



HAB. White Hills, N. H. Big. July. U.Stem 6 inches high. 

 Flowers in a single head supported by long bracts or terminal 

 leaves. 



11. J. militaris Big. : leaf one, jointed, longer than the stem ; pani- 

 cle terminal, proliferous, with sheathing lanceolate bracts at base ; 

 heads about 5-flowered. 



HAB. Ponds near Boston. Big. Stem 23 feet high, with a 

 long sheath or two at base and commonly another above the 

 leaf! Panicle terminal, erect, with proliferous branches. 



tt Leaves rounded or subcompressed, nodose-articulate. 



12. J. acumiaatus Mich. : stem leafy, erect ; leaves terete, with knot- 



