546 JUNCACE^. (rush family.) 



flowers greenish, as large as in the last; sepals awl-shaped, but not so rigid » 

 capsule mostly tapering; seeds large (^-1" lo^g)? ^^'ith short white membra- 

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



Var. brachycephalus, Engelm. Stem slender (l|-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 (:^- ^'' long), slender, with rather short appendages. — Penn. 

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



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

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

 fioAvers 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. 

 --X. Eng. to N. J., N. Minn., and westward. 



•(- -i- Stamens 6. 



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

 rigid, and witli t!ie 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-Rush. 



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. (Prom Gramen Lnzulte, or Lnxu/cEy 

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

 dew.) 



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



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

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

 curved appendage. (L. pilosa, Willd.) — Woods and banks, Xewf. to the 

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



2. L. spadicea, DC, var. melanocarpa, ^leyer. Nearly smooth (1- 

 3° high) ; leaves broadly linear; corijinh decompound, loose ; pedicels droopinrj i 

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

 'sapsule; seeds not appendaged. (L, parviflora, A'ar. melanocarpa, G^ra//.) — 

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



* * Flowers crofcded in spikes or close clusters. {Plants 6 - 12' high.) 



3. L. campestris, DC. Leaves flat, linear; spikes 4-12, somewhat urn 

 'le/ied, ovoid, straw-color, some of them long-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. arcuata, Meyer. Leaves channelled, \mQ2iV; spikes S- 5, on unequal 

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



