546 JUNCACE^. (rush family.) 



flowers greenisli, as large as in the last ; sepals awl-sliaped, but not so rigid ; 

 capsule mostly tapering; seeds large (i-S" long), with short white membra- 

 nous appendages, not reticulated. — Conn, to Penn. and Ga. 



Var. brachycephalus, Engelm. Stem slender (1^-2^° high), bearing 

 numerous small 3 - 5-flowered heads in a large spreading panicle ; flowers 

 greenish or light brown (1^- 1-^" long) ; sepals mostly obtuse, shorter than 

 the brown abruptly short-pointed capsule ; style longer than in other forms ; 

 seeds smaller (^-^"loug), slender, with rather short appendages. — Feuu. 

 and western N. Y., to Wise, and 111. 



Var. COarctatUS, Engelm. Stem slender, shorter (9-18' high), bearing 

 fewer deep-brown 3 - 5-flowered heads in a somewhat erect contracted panicle ; 

 flowers as large as in the last ; sepals acute, or rarely obtusish, much shorter 

 than the prismatic abruptly pointed deep-brown capsule ; seeds as in the last. 

 — N. Eng. to N. J., N. Minn., and westward. 



-1- -i- Stamens 6. 



27. J. asper, Engelm. Stems tufted, erect (2-3° high), terete, stout, 

 rigid, and with the rigid leaves rough ; panicle with rigid slightly spreading 

 branches, bearing scattered few- (2 - 6-) flowered heads ; flowers greenish with 

 brown (2|" long) ; sepals ovate-lanceolate, awl-pointed, rigid and strongly 

 nerved, the outer much shorter than the inner, these a little shorter than the 

 triangular-ovoid beaked incompletely 3-celled brown capsule , ovary tapering 

 into a conspicuous style ; seeds large, oblong, with white or often reddish 

 appendages (1|" long). — Sphagnous swamps, N. J. Aug. 



2. LtrZULA, DC. Wood-Rl'sh. 



Capsule 1-celled, 3-seeded, one seed to each parietal placenta. — Perennials, 

 often hairy, usually in dry ground, with flat and soft usually hairy leaves^ 

 and spiked-crowded or umbelled flowers. (From Gramen Luzuke, or Luxula\ 

 dim. of lux, light, — a name given to one of tlie species from its shining with 

 dew.) 



* Pedicels \-Jlowered, in a loose compound cijme or umbel. 



1. L. vernalis, DC. Plant 6 - 9' high ; leaves lance-linear, hairy ; ujnhel 

 mostly simple ; sepals pointed, shorter than the obtuse capsule ; seeds with a 

 curved appendage. (L, pilosa, Wllld.) — Woods and banks, Newf. to the 

 mountains of X. C, west to Minn. (Eu.) 



2. L. spadicea, DC, var. melanoearpa, Meyer. Xearly smooth (1 - 

 3° high) ; leaves broadly linear; cori/mb decompound, loose ; pedicels drooping ; 

 sepals pointed, straw-color, about the length of the minutely pointed and brown 

 capsule; seeds not appendaged. (L. parviflora, var. melanoearpa, Gra;j.) — 

 Mountains of Maine, Vt., and northern N. Y., to Mich, and X, Minn. (Eu.) 



* * Flowers crowded in spikes or close clusters. (Plants 6-12' ^^9^-) 



3. li. eampestris, DC. Leaves flat, linear; spikes 4- \2, somewhat um- 

 belled, ovoid, straw-color, some of them loug-peduncled, others nearly sessile; 

 sepals bristle-pointed, longer than the obtuse capsules ; seeds with a conical 

 appendage at l)ase. — Dry fields and woods, common. May. (Eu.) 



4. L. arouata, Meyer. Leaves channelled, \\nea,r; spikes 3-5, on unequal 

 often recurved peduncles, ovoid, chestnut-brown ; bracts ciliate-fringed ; sepals 



