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Show [ 174 J •. 1 1 1. 11. 1 · tl\o ll!trt· , Wtue J l 1 USCl Ill ' 11 rt',"., i.ms' to1 ·mls th c Ho r!-) tnO• llll to in~. . I L hclon~. s to the R• Ub-order · 1 { f l\.1 "r .1111] ~tt1,·quin lmt c.m hnnll~ be n'fL'rt't'd to L~tthcr th<' tnbo swrdt'lre or 1~ SpirO 0 l('ft' 0 It 1')' • n . . 1 . • ' . • ' • • . • l 1. ·''{l' · 1• l ot]1 1· sa .~Ot:l', ul erm~ rom l ,1 1t.·. ; dtchuou,., hl'lcromort'hnus tlowt t~-<, md ul8o hom tho lnttrr tn tls flat-~>piral, not cochlt>ul(' t•mhr yo. NYCTAUI~.\Cf·:..:E. OxyfJaplws 11ycta~inea, (Tilrr. iu hmc;',; Hoc'ky Mountuin PlaiJt..;.) ('alymt>nia 11yctaginra, ( utt.) KatNl<; river, Juno '2.0. .Abronia mcllifcra, ( l>nu ~l) North fork vfthc P l.tltl', .In!) 7-12. A. (lrt}Jlcroca~y.r) mirmui/111111 , n. sp. ViR<"iu athl ~l.uulularly puhNll'<'ttl ; lt"ttv~s ovalt', mtdulnV>, obtu~, al'utc at tltl' ha,.;c, prtiolate; p<•rianth flllltH'l for111, 1\. .. \ohcd at tho sumtntt, :J to 4 nndrous1 nchcnium broadly 3-wingt•J.-Near the tn•lUlh of ._ IV!'I'l Watn riwr. August !. Annual. Stem tlilfu~cl) h~\lld\Ctl fl'otn the h.\st', hc~inning tn 110\wr '' lwn only nn ind1 hi~h; the branches of the mature plant above a foot !on~. Lra\!':4 I to 11 i11rh in lt·n~th; pctiol<'s nhout ns long 8 , the Lamina. IJ .. ad" ;l\ilhtr). lnvo:ucrc !i il'n,t•tl, t:l to 1 '1 -tltlWl~rcd; lca!lcts ovate, nt'uminat . Pcrianth wtm1·d, (purpli:-;h,) 3 to 4 lim•,.; loll!,\"; lnhL'S ~>l'llli - ovatl', ohtu"''· 'tmnC'ns inserted in th mitl,1J,• or thl' tulw, Ulh'IJUal; anthns 0\;\lC, :4;\~ill \II' at tlw bttHI'. Ovary oblong, dothed with the a wing-l'd hast• of the cal) X; St) ,,, filiftlrnl; stiA"llll\ !i!ilili'Jll cht\ale, iucUI'<<'lL Maturo nchcnturn nhout 7 lin<'s lou~ and 4 \>\itle; the wing,.; broad, tH"ll'ly t'<Jilal, nwrnbrannccous and strongly rcllculntt.'tl. :-:;<'t'tl ohlonc,. Embryo <'mtduplir·t\lt•, involvinl\' llw tlt>rply 2-partcd IDC'J.Iy alhumcn; radide litwar lt•rctc; innN cotyll·don ahorti\'l'! outrr Ollt' oblonti, Joliac<'OUF;1 conca\'0, us long aH the radid1•. ThiH intrrrs•ing plant di!I(·r~ from iL-; ro11q-etu•rs in its fmmd-lonn pe· ri;tnth, 3 to '1 nndrous lh1Wf'l'l', and broadly 3-\\ingrd fruit, but I havt• uot he<'n ahi<' to compare it eriticall\ "ith otltrr h)h'\'ic~ of ahronia, It may provt• to ben !li~tilld g-l'IIUI'. POLYGON AUE.R Polygurwm l)r•r ·icuria, (Linn.) ~ orth fork of the Plat It•. :-\rpl<'lllh"r 1 . P. aviwlurc, ( Linn.) '\ ith thl' pn•ceding. P. llllljJI'ibi!lm, ( L11111.) • \vl'e1 WatN river. Aug-u!>.l I. 1'. viviparum, (Linn.) Black hills. July 21.i. Rumex .~aliofulill.•·, ( W<•inn.) With tiH• pn•n•.liu~. Uxfp-ia reniflwmis, (lTd!.) Alpillt' r<•giou of the Wiud rivt'r motuttain". Au~;ust 13-16. b'riogomtm uvultjidiu111, (l'iutt.) Hor~<e-~hoc <'rt'ek, IJpprr North ii>rk nf tlw Plutlt'. July 22. };. cr:rspilo:mm, (Nutt.) With thl' prccrding. 1::. ttmbdla/um, (Torr., ' in Ann. Lvr. Nut. lli;;t. -. Y nrk, ii, p. 24 L. Wf•t•t Wal('f rivt•r. Au~. 7. E . Frcnwntii, 11 . ~"P· E. annuu 111, ( Null.) With tlw pn•1·t·ding-. nrth fori... of I ht• PIa Ill'. • l'ptt•tn hrr iJ . ELg_\C:l\Al'E E . 'ILcpl,erdia argcnlw, ( 'utl.) "(,'rains dr {J(I'uf ., IJppt·r NMth fori of the l'latto, from the Red Buttes to tht• nwuth of tlw Rwr<'l \\'at <'r. AII!:('U~<l ~ l -'.!8. '. Cwwdcn.sia, (N utt.) OH a lak1• 111 thr Wiucl riv<•r mouutnin'l. An~u-;t 12- 17. Eleagnus argcnleu.v, (Pnn .. h.) \Vith thr pn't(•ding. EUPIIORBfACE.R Ettphnrb:a marrrinalrr, (Pursh.) l''orl<l'l of the PlAtt e. Sept1·mbcr 11. E. poZygon,folia, (Linn.) outh fork of tllr Plattr. July 1. E corollato, (Linn.) On the Knn~m;. E. 11blu ala, (Pursh.) Little Blue river of the Kano;as. July 23. Pilinopltytum rrtpilalrMI, (Klotsch in Wicgcm. Arch., April, 1 4 2.) Crvtun capit.atum, (Michx.) Forks of the Platte. llendecandra.2 (Esc h.,) multijlora, n. Rp.; nnuuo I can,. wont, with. ~;t !late pubc)lconce, Jirecious; 97 [ 174 ] {;trm son11•whnt dilluscly nnd t riclwtomtltt.;l_; hrnndtl'd; lcavrs ovntr-oblong; pctiolnto obtu~;c, en tiro• st.llllllllUlC nowt•rs 011 ('l'QW(kd ft\illur.v and trrrninal compound Hpiko~:~.-Laramie rivor, North fork of the Plat.l<'· Srpt<'rnhrr 3-11.-About a foot hi~h. l~ructift•rous plant unknown. Witlt larger Jcuv(•s. Forks of llH' Plnttr. .J ul,\' 2. 'l'hi8 seotu.; to be the ~,;ame as the plant of DI"Uil}oo monti'H Tcxun Colll•ct ion, lll, No. 2Gfi. S.\LrCT :\(' E:E . 'alix Lungtjidia, ( Wiltd.) On t:t(' Plattl'. s. Jlfuldenbctgii, ( Willd.) With th<' pn:cl·ding-. ;:.;~·v,•ral other species exiHt in tho colloction-somo Ji'tHn the Plnttr, otltt'rs from t:tc tnnttnt.tins; hut I have hntlno titno t.o determine them satisfactorily. Popu!ttJ trunrtluidtw, ( Mtdt \.) Lnkt• 111 lh<' \\. ind rt\Cr mcn.tntuins. ]'. angust1folia, (Torr. in A111l. Ly1·· . lli,.;L of N•w York, ii, p. 219.) woet Water river~ Aug. 21. P. mmlif,Jera, (J\it. ) Low('!' Pliltlr. l1LMACE.E. Ulmus jidva, (Michx.) Low,•r l'lat ll'. Self is crasstfolia, ( utt. ) W ith tit<' prcccding. HETULACE.'J·;. Betulaglundulosu, (Midn .. ) On alakl' intht• Wind river mountains. Aug. 12-17. /J. occidenialis, ( llooL) With thr pre rrdin~. < ~ONW E I~.I·;. Pinus rig ida, ( Lwu.) Lown Platte. \Vt thout r om•,.;. P. untlctrrmim•tl. Dcfilrs of till.' Wind riv<'r naontttninH. L(•avcH in throc.s, about 3 inches long. Aug. 13-14. llolwoon P. strobus and P. Lambcrlinun. L<'ll\('s in .'i';;, 1~ to 2 illchrs loug, rigid. No cones. P. (Abies) alba, (Midn.) With the pn·n·d in g. P. ncar bal.1·runca. With tlw pmc<·ding. Loaves only. JullijJfrrts ViJ:!.{iniww, (Linn.) Lower Platte. ENDOGENOUS PLANTS. ALl MACE..£. 'agittaria sagitltfvlia, (Linn.) On tho Kansas. ORGIIIDACE£. Plat ant hera leucopluea, (Lind I.) Dlack hills. July 27. P. ltyperfJorea, (R. Ur.) Laramie river to the Red Dulles. Aug. 26-31. Spirantltes cernua, (Rich.) 'wect Water ri vcr. Aug. (i. Aplcctrruu ltyemale, (Nutt..) On the Platte. June 29. lRID.'\.CE.!E. isyrincltium anceps, (Linn.) orth fork of the Platte. July 12. Iris Missouriensts, (Nutt., in Jour. Acad. Phil. vii, p. 5 . ) In fruit. weot Water river. Aug. 3. Rhizolba very thick. Leaves narrow, rigid, us long a~:~ tltc scapo. Scapo nearly naked, 2·tl()w-eretl, terete, 10 inches high. Cup~;ule;o oblong, obtusely triangular. Flowers not seen. 7 |