JUNCACEiE. (HUSH FAMILY.) 3.j7 



dark-brown. -'Tta.thex rare in Califoruia, Colorado, etc., bat commou in the 

 Atlantic States. 



4. L. spicata, Desv. Leaves carinate and fold, d: jluwers in a solitary 

 and compound dense nodding spike : seed not a/>jiendai/,d. — Au alpine nwcioH 

 in the mountains of Colorado, and in similar situations northward und eu.st- 

 ward. 



2. JUNCUS, L. Rush. 15...;. Km,,. 



Stamens wlicn 3 opj)Osite the 3 outer sepals. — (Jencrallv in \v«-i hull or 

 water, with pithy or liollow simple stems, and jianided or clustered mh.-iH 

 greenish or brownish flowers. 



* Scape naked, the basal sheath also leafless, or rareli/ bearing terete leaves sind- 



lar to the scape : flowers in sessile apparentli/ lateral panicles: stamens 6 in 

 ours. — True Junci. 



H- Flowers viani/ ; panicle more or less compound : sheaths haflrss. 



1. J. Balticus, Deth. Rather stout: sepals nearly ecjual and similar, or 

 the inner more obtuse: capsule ovate-pipximidal, ant/led, beaked : seeds smaller, 

 narrower, and longer apiculate than in the eastern form. — Hanging acrowt 

 the continent. Known as *' Wire grass." 



2. J. flliformis, L. Ven/ slender : panicle (dmost simple: .sepals exceed- 

 ing the broadl ij ovate obtuse short-pointed greenish capsule. — From Colorado to 

 the Saskatchewan and eastward across the continent. 



t- •*- Flowers few ; panicle scarcely ever compound: sheaths often leaf-bearing : 

 seeds caudate : low and alpine. 



3. J. Drummondii, E. Meyer. Stems l to \\ feet high, terete and fili- 

 form : sheaths bristle-pointed: spathe more or less exceeding the simple 1 to 

 3-flowered panicle : capsule ovate-oblong, triangular, retuse : seeds ovate. — 

 Mountains of Colorado to California and northward. 



4. J. Hallii, Engelm. Stems 6 to 12 inches high, terete and filiform, 

 much longer than the terete bristleform leaves : spathe scarcely exceeding the 

 close subsimple 2 to 5-flowered panicle: sepals white-margined : capsule ov<Ur, 

 angled, retuse: seeds oblong-linear. — Trans. St. Louis Acad. ii. 446. Colorailo. 



5. J. Parryi, Engelm. Stems 4 to 8 inches high, setaceous, longer than 

 the sulcate subterete leaves: spatlie e.xceeding the 1 to 3-flowi'red panicle: 

 outer sepals bristle-pointed : capsule prismatic, pointed : seeds o/ilom/. — IjOC. cit. 

 Mountains of Colorado to California and northward. 



* * Sfe7ns naked or leaf/ : leaves flat, or semi-terete and channelled, never 



knotted : panicle or head evidentlg terminal: stamens 6 in ours. — Grass v- 



LEAVED JUNCI. 



•*- Alpine: seeds caudate: leaves flsfuhus : flowers in small heads. 



6. J. triglumis, L. Leaves roundish, channelled and 2 to .l-tnbiilar 

 below, flattened u])ward : sheaths aurirled at top : head equalling the memhra- 

 nous spathe: capsule elliptical, acute. — .Mountains of Colorado and northward 

 to the Arctic coast. 



7. J. castaneus, Sm. Stem leafy: leaves terete, deeply channelled at 

 base : heads somewhat in pairs sessile or peduncled, shorter than thr rathrr large 

 spathe: capsule oval-trianqular and rather long murronate. — Mountains of Colo 

 rado northward to British America and thence across the continent 



