APPE]S[DIX. 
491 
JUNCUS. 
Diwn np from the extended revision of tlie Nortli American species bv Dr. George Engelmaxn 
m 7mns. Acad ScL St. Louis, Vol. II., pp. 424-498, (1868.) 
§ 1. GENUINI. Scape uaked, the basal slicaths also leafless, or rarely bearin<v terete leav.'s sin.ihir 
to the scape. 
* Flowers iu chisters in a coniponud panicle; stamens G; sheatl)s leaf-bearin-, (uiduiown in 
J. Coojwri.) 
1. J. ACUTUS, L. Stout, nearly i° hioh ; jianicle G' lono-; sepals broadly liiai-in,.!. slioil. r than iu 
the next, the inner deeply emarginato ; stigmas thick and sliort-snbnlate ; eaiisul(^ de('2)-br.)u m, almost 
globose.— Europe ; S. Africa; S. America. Coast of S. California. 
2. J. COOPERI, Eng. Stout, rigid, nearly 2° high : clusters 'j-.Vllowcn d in a stru-t green j.anirlc :{' 
long, I'wide; outer sepals 3" long, lanceolate, subulate-acute, the inner ovale-lanceolale, min n.iiate, 
slightly shorter, scarcely exceeding the broadly linear (If" long) antliers ; tilaments very sIkh t : cnpsnli! 
ovate at base, acute, scarcely angled, indurated, greenish, slightly exserted ; seeds rather laige, ajipend- 
aged, costate-reticulate. — S. California, (Cooper.) 
J. K(F.MKRiANUS, Scheele. P.-inielc etFuse ; inner sepals shorter, obtusish ; anthers deciduous; 
style very short ; capsule obtuse, v, ith spongy placent;e, deep-l)ro\vn ; seeds oval, obtuse.— N. Carolina 
to Florida ; Texas. 
* * Flowers solitary in the panicle. 
(((.) Flowers many ; panicle more or less coinjionnd. 
(1.) JJather stout; capsules ovate or obovate ; hexandrous, the antiu'rs stout, on very short llla- 
ments. 
(V.) Sheaths leaf-bearing. 
4. J. COJIPRESSCS, HBK. Rootstock creeping; scape 10-18' high, compressed; sheafbs wifli short 
leaves or sometimes blunt and lealless; panicle sn)a]], ratlier siiiiple, the e\iieMii> )>iaiie)ilei.s witli secund 
tiowers ; sei^als lanceolate, the outer acute, the inner a little slnu ter, oht iisisli, i-;V loni^^ei- tlian tlie sta- 
mens ; style nearly equaling the ovary; capsule ovate, acute; seeds ovale, olitu-e, >e;ireely pointed, 
smoothish. — Salinas Yalley, Caliibrnia ; Northern Mexico, 
(1''.) Sheaths leafless. 
5. J. Brkwkri, Eng. Rootstock perpendicular; scape 1' high, eonijiiessed ; panicle small, ratlier 
compact; sepals 2.V' hmg, suberpial, ovate, broadly margined, abruptly acuminate ; stigmas e\>eiii(l ; 
style equaling the ovary. — Capsule ami seeds uulvuown. ?donfen'y, Calitbruia. 
G. J. Balticus, Deth., Var. LirroiiALrs, Eng. Scipe terete; onter sepals 2" long, ai iile, th.' imiiT 
obtusish, shorter; capsule elliptical, rather triangular, obtuse and ])()inted ; seids ovafi-. oh|ii>e, v, jy 
shortly apiculate, i" long or more. — Xewfouiidland to X. England and I'einisylvaiua, and we>i u> the 
Upj)er Mississippi. 
Yar. :M(ixTANrs, Eng. Sepals nearly equal and similar, or the inner mureobtnse: e,i]isnle ovate- 
I'yramiilal, angled, beaked ; seeds .smaller, narrower, l()ng<'r ajin ulate. See jiage :;.'(;. 
7. J. Lesueurii, Bol. Rootstock cree]iing: scajte 'i-.V high, stout, soft, terete. oClen 2-:'. tiiiek and 
flstulous; panicle usually compact ; flowers seeniid.--M-:*> long; sepals hiuei'oLate, i he outer \ ery acute, u 
little exceeding the obtuse inner ones, all coniiivent aho-.c the slioi ter or ((jual ovate .aente eai>:^iih : , ,1s 
i" long, ovate, obtuse, shortly or scarcely apienhite. very minutely r( ti( ulafe ,.r stnoothish.-S:ni l i.m- 
cisco; Chili. 
(2.) Rather stout; sheaths leafless ; eajisnhs ovate (»r oWovate ; ti i;iiidiou> : lilaiu' ni> n.-ar!y e(iual- 
ijig the linear anthers. 
.1. i'!;<)CKi;fs. ]■:. ^[ey. (!) Sr;ij>e :', high, terete; sheallis dark-brown, obtn-e, -hoirly awm-il; 
panicle decompound, dense, nianv-raycd and corymb-like; sei.als e,,n;d. lanceolate, the outer :icutr-Mil.n- 
late, the inner obtuse, mueroiiate. .■qr,:i!ing the ovate >nl.aj-nte raj.^uh': -taniens on.-fuin'ii -hoii. t ; 
seeds ratlK'r large, ovate.— San I'raneiseo; Chili.' 
!). .J. Ki-i rscs, L. Sepals very acute : capsnh- triaiiLruliir-oi-M .ite or elav;,ie. r. tii-c and i.ointle:.s.— 
From Elaine to the Rio Grande anil raeilii'. 
(:!.) :More slend.'r ; flowers u.,ually IVwer, often gi . . , : ^ -I'" '"''"o t'uit ; 
caps ule su I )gl ( )bose. 
(n«,) Shi ath^ !. .sile,,-.. 
10. J. I'AiEXs. E. Me v. high; sheath> elongated, uwi.e.l : 1-anich; 1-2 h.iig. :!-.-.-braiie!u d. 
