Oedee 161.— JtJNCACB^. 723 



2 Ii. parviflora Desv. St. elongated ; Ivs. lance-linear, glabrous ; corynib decom- 

 pound; ped. elongated, the branches wiih 3 to 5 pedicellate fls. ; sap. ovate, acu- 

 minate, longer than the oval-triangular, obtuse-mucronate capsule. — White Hills, 

 N. H. (Prof. Eosworth), Grayloek Mt, Mass. (Chadbourne), etc. Stem 12 to 18' 

 high. Radical Ivs. 8 to 10' by 3 to 5", those of the stem much shorter, all very 

 smooth. Panicle large, nodding, many-flowered Capsule black. Jn. (L. 

 melanocarpa Desv.) 



3 L. oamp^stris Willd. Eield Rush. Lvs. hairy; spikes globular or ovate, 

 some on long peduncles, some nearly sessile ; sep. lanceolate, acuminate-awned, 

 longer than the obtuse capsule ; seeds witha conical appendage at base. — In mead- 

 ows, jy. S. and Can. St. simple, straight, 3 to 12' high. Lvs. grass-like, 2 to 6' 

 long, with tufts of cottoU-like hairs. Heads in a sort of umbel, with an involucre 

 of 2 or 3 short, unequal lvs. Perianth rust-colored, capsule at length brown. 

 May. 



/?. eulbSsa. Bulbous ; lvs. narrowly linear ; sep. shorter than the globular, dark 

 brown capsules. — ^Lookout Mt, Tenn. St. 6' high. With the other, but flow- 

 ers earlier. 



4 Ii. arcu^ta E. Meyer. L/os. linear, channeled, glabrous ; heads few, 3 to 5-flow- 

 ered, on unequal, filiform, often recurved pedicels ; bracts ciliate ; sepals acute, 

 reddish-brown, about equaling the roundish-elliptical capsule ; seeds not appen- 

 daged. — White Mts., N. H. (not common) and Arc. Am. 



5 T. spic^ta DC. Lvs. linear, hairy at the base ; spike cemuous, composed of 

 several sessile globular heads ; sep. acuminate-awned, about equal in length to 

 the sabglobous short-pointed, black capsule. White Hills, N. H. (Prof. Eosworth). 

 St. 8 to 10' high, slender, simple. Lvs. 2 to 3' long, a line wide, smooth except 

 at the base. Spike an inch long, appearing greyish black when mature. Seeds 

 oval, with a small, oblique appendage. Jl. 



3. JUN'CUS, L. EusH. (Lat. /«»^o, to join; because ropes wero 

 anciently made of these plants.) Perianth 6-sepaled, glume-like, per- 

 sistent ; stamens 6, rarely 3 ; capsule mostly 3-oelled ; seeds numerous, 

 attached to the inner edge of the dissepiments. — St. simple, leafy or 

 leafless, with terete, flat or channeled lvs., entire sheaths and small, 

 bibracteate, greenish fls. 



§ Cyme or panicle lateral, bursting from the side of the scape above the middle, (a) 



a Leaves none. Flowers separate, mostly hexandrons, greenish Nos.l — 3 



a Leaves few, radical, .iointless. Flowers capitate, 6-androus, brownish Nos. 4, 5 



§ Cyme or panicle terminal on the stem or scape. Leaves present (b) 

 b Flowers capit.ite, few or many in each head (c) 



c Leaves jointed (nodous) witll internal, transverse partitions, (d) 



d Stamens 8.— Heads green or pale straw-colored Nos. 6— S 



— Heads brown or chestnut colored Nos. 9, 10 



d Stamens 6. Heads tawny or brown,— 10 to 60-flowered Nos. 11, 12 



— 2 to 9-floweved Nos. 13, M 



C Leaves not jointed. — Heads many, brown. Sepals obtuse. Stamens S No. 15 



— Heads few or many, green. Sepals awned No. IG 



— Heads mostly but one. Sepals acute. Stamens 6. Nos. 17, 18 

 b Flowers sepaTato, not in heads, mostly secuud. Stamens 6. (e) 



e Stems leafy, panicle diffuse, m.any-flowered Nos. 19, 20 



e Stems naked, except at base, scape-like Nos. 21—23 



1 J. Bdltious Willd. Baltic Rush. Rhizome creeping, prostrate, rooting ; scapes 

 numerous, sheathed at base, opaque terete, rigid, slender, pungently acute ; pani- 

 cle near the summit, small ; fls. separate, brown ; sep. subequal, ovate-lanoeolatc, 

 very acute, equaling the elliptical, mucronate capsule. — Sandy shores. Me. to Wis. 

 and Can. Soape leafless, 1 to 3f high, hard, tough, closely arranged along the 

 scaly rootstook, the sheaths 3" to 3' long. Panicle 2 to 5' below the apex of the 

 scape, 1' long. Pis. 20 to 40, reddish- brown. 



2 J. eifiisus L. Soft Rush. Bull-eush. Scape straight, not rigid; panicle 

 lateral, hose, decompound, sometimes dense ; fls. separate ; sep. ^ green, taper- 

 pointed, as long as the obovate, obtuse capsules. — ^Yery common in ditches and 

 moist lands, forming tufts. Can. and TJ, S. Soape solid, with a spongy pith, soft, 

 striate, 2 to 3f high, bearing a loose, spreading panicle which protrudes from a 



