RUSH FAMILY. 





( 

 26. Juncus militaris Bigel. Bayonet Rush 

 H t -ii.s nnlitans Bigel. Fl. Bost. Kd. 2, 139. 1824. 

 Stems 2o'-4 high, erect, stout, i^"_3" thick below, 

 arisiug from a stout rootstock. Leaves of two kinds! 

 the submersed borne in dense fascicles on the root- 

 stock and developing filiform, nodose blades some- 

 times 20' long; basal leaves reduced to loose bladeless 

 sheaths, sometimes 10' long; stem leaves i or 2, the 

 lower with a long stout terete blade i // -2" thick at 

 the base, the upper, when present, reduced to a blade- 

 sheath; inflorescence 3'-6' high, its bracts with 

 ilete blades; heads top-shaped to semiglobose, 6- 

 flowered; perianth i#"-i#" long, its parts nar- 

 ly linear-subulate, the inner longer than the outer; 

 mens 6, nearly as long; anthers slightly exceeding 

 e filaments; capsule ovoid, acuminate, beaked, i 

 led, few-seeded, about equalling perianth; seed 

 ivoid, about % ff long, reticulated in about 24 rows. 

 Shallow margins of lakes, ponds or streams, N.iva 

 >tia to northern New York and Maryland. 



27. Juncus articuUtus I.. Jointed Ktttb. 



15.) 

 Juncus arHemifint I. Sj> M 



Rootstock branching; stems erect or ascending. V- 

 2 high, tufted, somewhat comprcMcd. i U>d; 

 basal blade-bearing leaves only I or 1, usually dying 

 early; stem leaves with rather loose heath* and i 

 spicuously septate blades; inflorescence rarely < 

 ing 4' in height, its branches spreading; 

 spheric to top-shaped, 6- 12- flowered; perianth t ' 

 long, the parts nearly equal, lanceolate, arominate. 

 reddish brown with a green midrib or green through 

 out; stamens 6, one-half to three-fourths a* long a* the 

 perianth; anthers shorter than the filamenU. iapaUa 

 longer than the perianth, brown, v angled. sharply 

 acute, tapering into a conspicuous tip, i celled. seed 

 oblong-obovoid, about V long, reticulate in ahont 

 16-20 rows, the areolae finely cross InMd. 

 Labrador to Massachusetts, New York, Michigan and British Cluml.! 



On ballast ground about Philadelphia and Camden a form occurs with obc 



broadly acute capsules, apparently introduced. 



28. Juncus Richardsonianus Schult. Richardson's Rsh. 



/. Richardsonianus Schult. in R. & S. Syst. 7: 201. 1829. 

 Juncus alpinus var. insignis Fries; Kngelm. Tran-- St. 



Louis Acad. 2: 458. 1866. 



Stems erect, 6 / -2o / high in loose tufts, from creeping 

 rootstocks, i-2-leaved ; stem leaf or leaves usually borne 

 below the middle; panicle 2>^ / -8 / high, sparse, its 

 branches strict or slightly spreading; heads 3-i2-flow- 

 ered; perianth i // -i^ // long, the inner parts shorter 

 than the outer, obtuse, usually purplish toward the 

 apex, the three outer paler, obtuse, mucronate or acute; 

 stamens 6, half to two-thirds as long as the perianth; 

 anthers much shorter than the filaments; capsule ovoid- 

 oblong, slightly exceeding the perianth, straw-color or 

 brown, broadly acute or obtuse, with a short tip; seed 

 about X" in length, narrowly obovoid to oblong, 

 apiculate, acute or acuminate at the base, lightly reti- 

 culate in about 20 rows, the areolae finely cross-lined. 



Neva Scotia to British Columbia, south to Pennsylvania, 

 Nebraska and Washington. 



