JUNCUS.] JUNCEJS. 417 



Sandy moist soil, Hereford, very rare ; fl. June-Aug. Rootstock tufted. 

 Stem 6-15 in., very slender, cylindric. Leaves chiefly radical, few, very 

 slender, deeply striate ; base dilated, membranous. Cymes snorter than 

 the filiform erect bracts. Flowers sessile and pedicelled, in. long, pale. 

 Style very short. Capsule turgid. Seeds minute, ellipsoid, acute at both 

 ends, minutely ribbed. DISTRIB. W. France, Holland, Germany, "W. United 

 States. 



13. J. compres'sus, Jacq. ; slender, stems 1-2-leaved subcompressed, 

 leaves slender ^-terete channelled above, cymes terminal, flowers sub- 

 solitary, perianth-segments oblong obtuse equalling or shorter than the 

 ovoid obtuse mucronate capsule. J. bulbo'ms, L. (name given by error). 

 Marshy places, N. to Shetland ; Ireland ; Channel Islands ; fl. June- July. 



Rootstock creeping. Stems 6-24 in., very slender, hollow. Leaves narrow, 

 flaccid, suberect, equalling the stem or shorter. Cymes irregularly corym- 

 bose ; branches suberect, slender, few-fld. ; bracts small. Flowers in. 

 perianth-segments pale in the middle, margins broad scarious pale or dark 

 brown or purple. DISTRIB. Europe (excl. Greece), N. and W. Asia, IsT 

 America. 



J. COMPRES'SUS proper ; stems tufted, capsule broader almost obovoid shortly 

 mucronate much longer than the perianth. Rather rare. 



Sub-sp. J. GERAR'DI, Loisel ; stems more remote, capsule narrower strongly 

 mucronate not exceeding the perianth. J. bott'nicus, Wahl. ; J. coeno'sus , 

 Bich. Salt marshes. Also in N. U. States. 



SECTION 2. Rootstock perennial, usually creeping. Stems solid. Leaves 

 hollow and septate within. Testa not produced. 



14. J. obtusiflo'rus, Ehrh. ; stem tall and leaves (few) erect terete, 

 cymes lateral or subterminal in very compound corymbs, branches zigzag, 

 perianth-segments obtuse equalling the ovoid mucronate capsule. 

 Marshy places, from the Clyde and Haddington southd.; rare in Scotland 



and Ireland ; fl. July- Aug. Rootstock widely creeping. Stems not tufted, 

 2-3 ft., usually stout, soft, hardly striate, sheathed at the base. Leaves 1-2, 

 like the stem. Flowers in., sessile in dense peduncled or sessile clusters 

 of 3-8, pale ; bracts small, obtuse, scarious.-- DISTRIB. From Gothland 

 southd. (except Greece, Turkey, and Russia), 1ST. Africa. 



15. J. articula'tus, L. ; stems slender and leaves slightly compressed, 

 cymes lateral or subterminal compound corymbose, perianth-segments 

 acuminate not exceeding the obovoid narrow acuminate capsule. 



Bogs, especially in mountain districts, N. to Shetland ; ascends to near 

 . 3,500 ft. in the Highlands ; Ireland ; Channel Islands ; fl. June-Aug. Very 

 variable in habit, size, robustness, amount of foliage, and size and com- 

 position of the cyme ; the following sub-species express its principal 

 modifications. DISTRIB. Europe, N. Africa, N. and W. Asia, Himalaya. 



J. ARTICULA'TTJS proper (J. acutijlo'rv.s, Ehrh.); tall, leaves very conspicuously 

 jointed when dry, flowers in dense distant sessile or peduncled clusters of 

 3-12 dark chestnut, bracts acuminate -|- as long as the flower, perianth- 

 segments equalling the narrow acuminate capsule, stamens 6. J. sylvat'icvs, 

 Reichb. Ascends to 1,200 ft. in the Lake District. 



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