250 FLORA. 



about i mm. long; capsule brown, i-2 times as long as the perianth, narrowly 

 oblong, tapering to an acute summit, imperfectly 3-celled; seed 2.5-4 mm. long, 

 contracted into long slender tails. Newf. to Alaska, south along the Rocky Mts. 

 to Colo. In Europe and Asia. 



21. Juncus stipgius L. MOOR RUSH. (I. F. f. 939.) Rootstock none; stems 

 0.7-3 dm. n ig n > sm gl e ? or f ew together, erect, i-3-leaved below; leaf-sheaths 

 1-2 cm. long, clasping, auriculate; blades 2-10 cm. long, slightly compressed, 

 channeled on the upper side, tapering to a blunt point; inflorescence of 1-4 heads; 

 heads i-4-flowered; perianth 3-5 mm. long, pale, its parts lanceolate, 3-nerved, 

 equal; anthers oblong, shorter than the filaments; capsule 6-8 mm. long, pale 

 brown, spindle-shaped, mucronate, 3-celled below, few-seeded; seed spindle-shaped, 

 2.5-3 mm. long, with a loose coat, narrowed into thick tails. Newf. to Me., N. 

 N. Y., Mich, and Minn.; also in Br. Col. and Europe. 



22. Juncus big-lumis L. TWO-FLOWERED RUSH. (I. F. f. 940.) Stems 

 0.2-2 dm. high, loosely tufted on a branched rootstock, nearly terete. Leaves 1-5, 

 all basal, the outermost sheath usually 8 mm. long or less, the innermost sometimes 

 much longer, the blades nearly terete; inflorescence a capitate cluster of 1-4 

 flowers, its lowest bract erect, foliose; perianth 3-3.5 mm. long, dark brown, its 

 parts oblong, obtuse, nearly equal; anthers linear-oblong; capsule longer than the 

 perianth, cyliiidric-oblong, 3-sided, retuse at the summit; purplish black, or with 

 purple-margined valves, imperfectly 3-celled; seed 0.5-0.6 mm. long, fusiform, 

 narrowed into short stout tails. Baffin Bay to Alaska and Br. Col. Also in Europe 

 and Asia. 



23. Juncus triglumis L. THREE-FLOWERED RUSH. (I. F. f. 941.) Stems 

 7-17 cm. high, loosely tufted on the branched rootstock, erect, terete. Leaves 1-5, 

 all basal, with sheaths clasping and conspicuously auriculate, the blades subterete, 

 blunt; inflorescence a capitate cluster of 1-5 (usually 3) flowers; the lowest 2 or 3 

 bracts usually brown, obtuse and membranous; perianth 3-4 mm. long, its parts 

 oblong-lanceolate, obtuse; anthers linear, short; capsule about equalling the peri- 

 anth, oblong, obtuse, mucronate. 3-angled, imperfectly 3-celled; seed about 2 mm. 

 long, oblong, abruptly contracted into slender tails. Lab. and Newf. to Alaska, 

 south in the Rocky Mountains to Col. Also in Europe and Asia. 



24. Juncus pelocarpus E. Meyer. BROWNISH-FRUITED RUSH. (I. F. f. 942.) 

 Rootstock slender; stems 0.7-5 dm. high; i-5-leaved; basal leaves 2-4, mostly with 

 slender terete blades seldom exceeding 12 cm. in length; inflorescence I cm. in 

 height or less; panicle loose, with distant heads of I or sometimes 2 flowers; peri- 

 anth 1.53 mm. long, the parts linear-oblong, obtuse or the inner sometimes acute; 

 stamens 6; anthers slightly exceeding the filaments; style commonly I mm. long; 

 capsule subulate-linear, I -celled, its slender beak exceeding the perianth; seed 

 oblong to obovoid, 0.4-0.5 mm. long, reticulate in about 24 rows. Newf. to N. J. 

 and Minn. 



Juncus pelocarpus subtllis (E. Meyer) Engelm. Much smaller, depressed, i-few- 

 flowered. N. Me. and adjacent Can. 



25. Juncus bulbosus L. BULBOUS RUSH. (I. F. fc 943.) Tufted, 5-20 cm. 

 high; usually bulbous. Leaves of two kinds, the basal mostly submersed, filiform, 

 the cauline stouter, all with auriculate sheaths, panicle of i-io heads; heads 4-15- 

 flowered, some of the flowers often transformed into tufts of small leaves ; perianth 

 2.5-3 mm. long, its parts nearly equal, linear-lanceolate, obtuse, brown, or with a 

 green midrib; stamens 3; capsule narrowly oblong, obtuse, mucronate, slightly 

 exceeding the perianth, brown above, i -celled; seed narrowly oblong, about 0.5 mm. 

 long, acute at base, obtuse and apiculate above, 25-3O-ribbed. Lab. and Ne\\ i. 

 Common in Europe. 



26. Tuncus militaris Bigel. BAYONET RUSH. (I. F. f. 944.) Stems 0.5- 

 1.2 m. nigh, erect, stout, 3-6 mm. thick below, arising from a stout rootstock. 

 Leaves of two kinds, the submersed borne in fascicles on the rootstock and develop- 

 ing filiform blades sometimes 5 dm. long; basal leaves reduced to loose bladeless 

 sheaths; stem leaves I or 2, the lower with a long stout terete blade, the upper, 

 when present, reduced to a bladeless sheath; inflorescence 7-15 cm. high; heads 

 6-12 -flowered; perianth 33.5 mm. long, its parts narrowly linear-subulate, the 

 inner longer than the outer; stamens 6; capsule ovoid, acuminate, beaked, i called, 



