JUNCACEiE. 



375 



14. J. bufnnius Linn. : stem diffuse, leafy, dichotomous above ; leaves fili- 

 form-setaceous, channelled ; panicle loose ; flowers subsolitary, remote, uni- 

 lateral ; leafets of the perianth lanceolate, very acuminate, much longer 

 than the oblong obtuse capsule. 



Moist places. Can. to Car. July, Aug. 0. — Stems cespitose, 3 — 6 inches 

 high, divided towards the top. Panicle loose, spreading, few-flowered, pale- 

 green. Toad Rush. 



15. J. marginatus Rostk. : stem leafy, jointed ; leaves flat and grass-like ; 

 panicle corymbose, compound ; leafets of the perianth about as long as the 

 obtuse capsule, the outer ones and the bracts subaristate ; stamens 3, J. 

 arisiulatus Mich. 



Low grounds. N. Y. to Car. Aug. 1L. — Stem 1 — 3 feet high, tuberous at 

 base. Panicle often very compound and proliferous. Flowers 3—6 in a liead. 



Grass-leaved Rush. 



16. J. stygius Linn. : stem filiform, erect, rigid, leafy ; leaves setaceous, 

 slightly flattened ; flowers about 3, in a terminal head ; leafets of the peri- 

 anth shorter than the oblong-elliptic acute capsule ; stamens 3 ; seeds with 

 an appendage at each end. 



Sphagnous swamps, on Perch Lake, Jefferson county, N. Y. Dr. Gray. 

 %. ? — Stem 6 — 12 inches high, simple. Flowers larger than in any of the pr>j- 

 ceding species, with 2 — 3 bracts at the base of the heads. 



Large-f/-uited Rush. 



17. J. tiifidus Linn.: leaf mostly solitary, near the summit of the stem, 

 linear-setaceous ; sheaths ciUate ; heads about 3-flowered, terminal ; bracts 

 foliaceous, very long, grooved. 



White Mountains, N. H. Big. Summit of Mount Marcy, Essex county, N. 

 Y. July, Aug. %-. — Stem 6 — 10 inches high, rather rigid. Flowers mostly in 

 a single head, supported by 2 long setaceous bracts or termmal leaves. 



Tnjid Rush. 



18. J. militaris Big. : leaf solitary, jointed, longer than the stem; pani- 

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

 about 5-flowered. 



Ponds, near Boston, Mass. Big. Stem 2 — 3 feet high, with a long sheath 

 or two at base and commonly another above the leaf Panicle terminal, erect, 

 with proliferous branches. Bayonet Rush. 



3. NARTHECIUM. Z^wm.— Narthecium. 



(From the Greek vapOos, a rod ; probably from the elongated straight raceme 

 of flowers.) 



Perianth petaloid, of 6 linear-lanceolate spreading pieces. 

 Stamens 6. Filaments hairy. Capsule 3-celled, 3-valved. Seeds 

 with an appendage at each extremity. 



N. Americanum Kcr .• raceme sometimes interruptedly spiked, lax ; pedi- 

 cels with a setaceous bract below the flower, and another embracing its 

 base ; filaments with very short hair. Phalangium ossifragum Muhl. 



Sandy swamps. N. J. to Ala. June, July. %. — Scape a foot high. Leaves 

 narrow-ensiform. Flowers yellow, in a terminal spike. Closely resembles JV. 

 ossifragum of Europe. American Narthecium. 



