1722 Order 151.— JUNCACE^. 



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 tlie perianth very long and 

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

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

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



S. graminea 'Willd. A grass-like aquatic, in flowing water, N. States. St. slen- 

 der, diohotomoua, 1 to 2f long. Lvs. 3 to 6' long, 1 to 2" wide, ohtuse at apex, 

 slightly sheathing at base. Flower solitary, issuing from a short (1' spathe), tube 

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

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

 the thick style. Jl., Aug. (Leptanthus, Mx.) 



Order CLI. JUNCACEyE. 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, hypogynoua. Anthers 2-celled, inlrorse. Style 1. 

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

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

 many, with a fleshy albumen. Fig. 311. 



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

 portant. 



GENEKA. 



Perianth yellow (greenish outside). Stigma 1. Capsule oo-seeded Naetuecium. 1 



Perianth green or brownish. Stigmas 8. — Capsule 8-seetled Luzula. 2 



— Capsule oo-SGoded Juncus, 3 



i. NARTHEXIUW, Mcehr. (Gr. vapdr)^, a rod or wand ; in allusion 

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

 persistent ; stam. 6 ; filaments hairy ; caps, prismatic, 3-oelled ; seeds 

 00, ovate-oblong, appendaged at each extremity. — 21 Koot fibrous. 

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

 W. Americ^num Ker. Lvs. radical, striate, narrow-ensiform ; roc. 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. LU'ZULA, DC. Wood Eush. (Italian lucciola, a glow-worm ; 

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

 teate at ba»« ; stamens 6 ; capsule 1-celled, 3-seeded ; seeds fixed to 

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

 Pis. terminal, green or brownish. 



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



§ Flowers aggregate, — in pedunculate heads forming an umbel or cyme Nos. S, 4 



— iu scs.sile heads forming a nodding blacic spiice No. 5 



1 Ii. pildsa Willd. Lvs. 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, feadioal lvs. 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 braetleta May. 



