JUNCACE^. (rush family.) 811 



elUjjtical, obtuse, mucronate, — April to July — Wet places, coramoil 

 throughout, even in Sinai and the other deserts. 



2. J. glaiicus, Ehr. If 1 to 1.5; root-stock horizontal; stems 

 rigid, terete, glaucous, with glossy brown sheaths at base, and inter - 

 riqjted pith. Inflorescence pseudo-lateral, branches condensed or spread- 

 ing ; divisions of perigonium Iroionish-straio-colored, lanceolate, acute ; 

 stamens six ; capsule elliptical-dblong, obtuse, mucronate — April to 

 August — Common from coast to subalpine regions. 



1 1 Stems loitliout nodes, hut with haf-learing sheaths at base. Leaves 

 terete, pimgent, not septate. Seeds caudate. Stamens six. 



3. J. aciitu§, L. If Saumar. Sammdr. Sumr. .6 to 1 or more; 

 trunks clustered ; stems numerous, terete, firm ; leaves and bract longer 

 than inflorescence, pungent. Panicle pseudo-lateral, much branched, 

 many-flowered, cymose-corymlose, more or less crowded; divisions of 

 perigonium pale to brownish, the outer lanceolate, obtusish, the inner 

 ovate, scarious-tiiiped, retuse; capsule ovate-globular, acute, imperfectly 

 o-celled, twice as long as perigonium — April to August — Common 

 along coast, and salty places in interior. 



4. J. inaritiinus, Lam. If Saumar. Sammdr. Sumr. 1 or 

 more ; root-stock horizontal ; culms numerous ; leaves and bract as long 

 as panicle or shorter. Panicle pseudo-lateral, the cymes 2-7-flowered, 

 crowded; divisions of perigonium pale, somewhat unequal, the outer 

 lanceolate, acute or acuminate, the inner oUusish; capsule elliptical, 

 obtusely 3-angled, as long as perigonium or longer — April to August — 

 Syrian coast. 



Tar. Arabiciis, Asch. et Buch. Capsule elliptical-lanceolate; 

 divisions of perigonium not acuminate — About Dead Sea. • 



f ■]■ + S(e77is leafy. Leaves terete, hollow, not septated. Panicle terminal. 

 Gajysule d-celled. Seeds not caudate. Stamens six. 



5. J. siibulatu§, Forsk. 11 HaUin. .5 to 1; root-stock hori- 

 zontal, creeping to long distances; culms numerous, terete. Panicle 

 with a leaf, often reduced to a sheath at its base, rrnich compounded ; 

 flowers solitary, in few-flowered cymules; perigonium pale, divisions 

 lanceolate, scarious-marginecl, mucronate; capsule elliptical, somewhat 

 o-angled, obtuse, mucronate, .003 long, about as long as perigonium — 

 Spring and summer — Around Dead Sea ; Syria. 



!• 1 1 !• Stems leafy. Leaves linear, grooved, not septate. Panicle terminal. 

 Capsule ^-celled. Seeds not caudate. 



6. J. Gerarcli, Loisel. If Black Grass. .4; root-stock creep- 

 ing; culms slender, somewhat flattened, leafy toward base, and with 

 usually one leaf about middle. Panicle thyrsoicl, .05 to .1 long, 

 moderately compounded, branches erect; flowers solitary in corymbs; 

 divisions of pale or brownish perigonium nearly of equal length, ovate- 

 oblong, obtuse, scarious-margined; capsule oblong, .000 long, about as 

 long as i^erigonium — Spring and summei' — Alpine summits of Leba- 

 non ; interior plains. 



1 1" i' t i' Stems leafy. Leaves flat. Seeds caudate. Stamens six. 



7. J. . §i>argaiiifoliUi§, Boiss. et K^^ 21 .4 to .5; root-stock 

 horizontal, stoloniferous; stems tall, flattene'd, sheathed at base, leaf]/ 



