722 ORDER 151. JUNCACEA 



the orifice, 2 of the anthers small, round, yellow, the other oblong, greenish, Jl. ( 

 Aug. (Leptanthus, MX.) 



3. SCHOL'LERA, Schreber. (Dedicated to one Scholler, a German 

 botanist.) Spathe several-flowered ; tube of the perianth very long and 

 slender, limb 6-parted, equal ; stamens 3, with similar anthers ; capsule 

 1-celled, many-seeded. Lvs. alternate, sheathing at base, grass-like, 

 submersed. St. floating, rooting at the lower joints. 



8. gramfiiea "Willd. A grass-like aquatic, in flowing water, N. States. St. slen- 

 der, dichotomous, 1 to 2f long. Lvs. 3 to 6' long, 1 to 2" vride, obtuse at apex, 

 slightly sheathing at base. Flower solitary, issuing from a short (!' spathe), tubo 

 1J' long, limb in 6 linear-laneeolato segments, yellow. Stam. 3 (4, anthers); 

 filaments broad, one of them abortive, the other 2 with linear anthers longer than 

 the thick style. Jl., Aug. (Leptanthua, MX.) 



ORDER CLI. JUNCACEJS. RUSHES. 



Plants herbaceous, generally grass-like, often leafless, with small, dry, green 

 flowers. Perianth more or less glume-like, regular, 6-leaved, in 2 series (sepals and 

 petals.) Stamens 6, rarely 3, hypogynous. Anthers 2-celled, introrse Style 1. 

 Ovary 3-carpeled, 3 (or by the dissepiment not reaching the center ])-celled. Cap- 

 sule 3-valved, -with the dissepiments from the middle of the valves. Seeds few or 

 many, with a fleshy albumen. Fig. 377. 



Genera 15, species 200, chiefly natives of the cool parts of the earth. Properties unim- 

 portant. 



GENERA. 



Perianth yellow (greenish outside). Stigma 1. Capsule no-seeded NAKTIIECIUM. 1 



Perianth green or brownish. Stigmas 8. Capsule 3-seeded LUZULA. 2 



Capsule oo-seeded Juucus. 3 



1. NARTHE'CIUM, Moehr. (Gr. vdp^^ a rod or wand ; in allusion 

 to the slender inflorescence.) Perianth 6-partcd, colored, spreading, 

 persistent ; stain. 6 ; filaments hairy ; caps, prismatic, 3-celled ; seeds 



oo, ovate-oblong, appendaged at each extremity. 2 Root fibrous. 



Lvs. ensiform. Scape nearly naked. Fls. yellowish. 



N. Americanum Ker. Lvs. radical, stn'ate, narrow-ensiform rac. lax, inter- 

 rupted ; pedicels with a bract at base, and a setaceous bracteole near the flower. 

 An interesting little plant, in pine barrens and sandy swamps of N. J. Also 

 in Can. Scapes 8 to 12' high, terete, with 2 or 3 subulate bracts. Leaves nu- 

 merous, much shorter than the scape. Pedicels 3 7" long. Perianth green- 

 ish externally, yellow within, about half as long as the yellowish, mature capsule. 

 Aug. 



2. LITZULA, DC. WOOD RUSH. (Italian lucciola, a glow-worm ; 

 from the dew glistening upon its flowers.) Perianth persistent, bibrac- 

 teate at base ; stamens 6 ; capsule 1-celled, 3-seeded ; seeds fixed to 

 the bottom. Stem jointed, leafy. Lvs. grass-like, on entire sheaths. 

 Fls. terminal, green or brownish. 



Flowers separate, pedicellate, in umbels or paniculate cymes Nos. 1, 2 



Flotvcrs aggregate, in pedunculate heads forming an umbel or cyme Nos. 3, 4 



in sessile heads forming a nodding black spike No. 5 



1 L. pilosa Willd. Lvy. pilous; umbel cymous, spreading, consisting of subequal 

 \-flowered, simple pedicels ; caps, obtuse, shorter than the sepals. Common in 

 woods and groves, N. S. and Can. St. 4 to ] 6' high. Radical Ivs. numerous, 2 

 to 4' long, linear-lanceolate, veined, fringed with long white hairs. Umbels 8 to 

 12-flowered, with a leafy bract. Pedicels 5 to 10' ' long, finally deflexed. Peri- 

 anth brown, with 2 green bractlets. May. 



