546 



JUNCACE.E. (RUSH FAMILY.) 



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

 capsule mostly tapering; seeds large ($-" 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 browii (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. Fenu. 

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



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

 fewer deep-brown 3 - 5-flo\vered 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-browii capsule ; seeds as in the last. 

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



- *- 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 browii capsule , ovary tapering 

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

 appendages (1^" long). Sphaguous swamps, N. J. Aug. 



2. LUZULA, 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. (From Gramen Luzuhe, or Luxuhv> 

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



dew.) 



# Pedicels \-flowered, in a loose compound ci/nu 1 or umbel. 



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

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

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

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



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

 3 high) ; leaves broadly linear ; corymb decompound, loose ; pedicels drooping ; 

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

 capsule; seeds not appendaged. (L. parvi flora, var. melauocarpa, Gray.) 

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



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



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

 beUed, 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 base. Dry fields and woods, common. May. (Eu.) 



4. L. arcuata, Meyer. Leaves channelled, linear ; spikes 3 -5, on unequal 

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



