OCR Text |
Show [ 243 J 92 .IJbronia mcllijim (Dongl.) North fork of the Platte, July 7-12. • '1. (Triptaocaly:r) micrauthw11, n. sp. Vi cicJ and glandularly pubr c r.t; leave: ovate, undulate,. c.lb tu c, ::tC'ute at the ba e, petiolate; perianth funnel form, 4-lobed at the summit, 3-4-anc. lrou ; achrnium broadly 3-wingcd.-Ncar the mouth of ,"w<.>ct Water tivcr. Aug 1. .Annual. Stem diflu. ely branched from the base, beginnmg to flower when only an inch high; the branches of the mature plant above a foot long. Leaves 1-1 ~ in<"h in length ; petioles about a.; long a-; the lnmina. llead · axillary. Involucre !Heaved, · 14-Jlowered; leaflets ovate, acuminate. Perianth eolored (purpl i~h) 3-4 Jines long; lobes emi-ovatc, obtuse. Stamens JO!:Ierted in the middle of the tube, unequal; anth ·rs ovate, sagittatc at the bas •. Ovary oblong, clothed with the 3-wtngetl base of th • caly ·; t) lc filiform ; tigma filifonn-ebvate, ineurvcd. Mature achcnium about 7 Jines long and 4 wide ; tile wing broad, nearly equal, membranaceous anti ·trongly reticulated. c ·cl oblong. Embryo conduplicute, involving the deeply 2-partcd mealy albumen; radicle linear-teretc; inner c :YI don abortive! outer one oblong, fo li ~H·eou , concave, a long a. the radicle. Thi inter · ting plant diller· from it<; ('Ongcners in its funnel-form pcrianth, 3-4-andt·ous flowers, and broadly 3-winged fruit, but l ha Ye uot been able to compare it critically with other 1->pecic., of Abronia. It may prove to be a distinct genu . POLYGON ACEJE. Polygonwn Pc1·sicari(t (Linn.) North fork of the Platte. Sept. 4. P. at•iwlare (Linn.) With the preceding. P. a111phibiwn (Linn.) Sweet Water river. Augu ·t 4. J>. vixiparum (Linn.) Black llills. July 26. Rw11ex salicifoli.tt.~ ( W cinn.) With the preceding. Oxyria nnijormis ( Hill.) Alpine region of the Wind River mountain . Augu t 13-16. Eriagonum ovalijoliwn (Nutt.) Horse-shoe creek, upper north fork of the Platte. July 22. E. ('(tspitoswn (Nutt.) With the preceding. E. umbell(llwn (Torr.) in ann. Lye. Nut. llist. N. York, 2, p. 241. Sweet Water river, Aug. 7'. £. Premontii, n. sp. With the preceding. £ . atlltHtun (Nutt.) North fork of lne Platte. September 4. ELEAGNACEJE. Shcphrrclia argenlea (N utt.) " Grains de bleuj:" Upper north fork of the Platte, from the Rcdt Buttes to the mouth of the wcct Water. Aug. 24- 28. S. Canadensis (Nutt.) On a lake in the \Viml River mountain~. Augu t 12-li. .Elcagllti.S argentcus (Pur h). With the preceding. EUP110RBIAC811~. £Hph01·bia uwrginala (Purslt). Forks of the Platte. cptember 11. E. polygonijoli(t (Linn.) South Fork of the Platte. July 4. .E. corollal(t (Linn.) On the Kanzus. E;: ~bl!t.Sata (Pursh). Little lllue river of the Kanzas. July 23. Ptllltophytwn capitatwn (Klot:,ch in Wicgcm. arch. Apr. 184·l.) Croton capitatum (Michx.) Forks of the Platte. llmdecandra? (Escl.l.) multiflora, n. sp.; annual cane cent, with 3tellate pubescence; dioocious ; stc~ somew~at dtffusely and trichotomou ly brn.nchcll; leave ovate-oblong, petiolate, obtu e, entire; stammate flower on crowded ah.illary and terminal compound spil<e .-Laramie ri vcr n~rlh fork of the Platte. 'cpt. 3-ll.- Ahout a foot high. Fructifcrou plant unknown. ' Wtth larger leaves. Forks of the Platte. July 2. This seems to be the same as the plant of Drummond's Texan Collection, llJ. , No. 2(i6. SALlCIACEIE. • alix lcmgUolia ( Willd.) On the Platte. ~~· ~'tltdtl<Hbm.:ii (Willd.) Wt.th tltc d' ('0 1 1 ..... prece mg. ;:,e, era ot 1er pecics exist in the collection: 93 [ 243] some from the Platte; other.: from the mountain..,; !Jut I ha\'c had no lime to determine them ·ali-; fac tori I) . Popui11.S trrnwloidt•s (i.\lichx.) P. nugu.stUi,[io (Torr. tn ann. Lake in the \Vin1l R ivrr monnt:-.in'-. Lye. N. Ht::;t. of New Yorl;, ~, lp. 21~. ) S·,vcct \Vater r iYer- Aug. 21 . P. mo'uiliji·ra (Ait.) Lower Pbtte. UU'viA CI!:!'f:. Utniii.S full'a (Michx.) Lower Platte. Celtis cras8ijolia ( Nutt.) With tltc preccdin~. fJF:TuLACF::E. Betula :rlnndufosn (Michx.) On a bkc in the Wind River mouutainc. Au"". 1 .... -17. B. occidt'?ttalis ( Hook.) With the prcccdin<r. CONIFER£. P intts 1-igida ( Linn.) Lower Platte. Without cone~. Lea\·e~ in threes, abont '3 inches l'o~g. 1 P. undetcrminerl. Defile of the Wind River mountain:. Aug. 13-14 .• Between P. Strobl4i and P. Lambcrtiano.. Leaves in 5's, q-2 inchc long, rigid. No cones. P . (.llbies) alQa (Michx ) With the preceding. J>. ncar Balsamea. With the preceding. Leaves only. Juniper·us Virginiana ( Linn.) Lower Platte. ENDOGENOUS PLANTS. AL£SMACE/E. 'Sagitlariasa;illifolia (Linn.) Oo the Kln a . OROIIIDACEz4~ , PUt.lantflera leu.copha:a (Lind!.) lllack Hills. July 2i . P. hyperborea (R. Dr.) Laramie river to the Red lluttcfi. Aug. 26-31 SpimtUhe3 rernua ( Rich.) Sweet Water river. Aug. 7. .JJplcctn.lim 'hymwlc (Nutt.) On 'the Platte. June 29. IRIDACE/l·: . .Sisyr~hch iwn m1rep ( Linn.) North fork of the Platte. July 12. I ris .Mis.sO'tm·iensi.s (Nutt. in Jour. Acad. Phil. 7, p. 5 .) In fruit. Sweet W~tcr' ri,•cr. Aug. 3. Rhi:r.oma very thick. Lea Yes narrow, rigid, as Ion"" a the scapc. Scape nea·rly nak~d~ 2-ftowered, tc retc, 10 inches high. Cnp~ule5 oblong obtusely triangular. Flowers not seen. LILIACE1E. Yt4Cca ()n.gu.stifotia (Sims). Laramie rivor. July 14. .Alliwn reti.cnlaltMn ( Fras.) Defi les in the Wind River mountain!!. Aug. 12-17. Sm·ilacina stellala (Desf.) from the Lanmio river to tho Re<l Buttes. Aug. 26-31. MELANTHACE£. Zigademt3 gla1tctm (Null.) Sweet Water rivor. Aug. |