144 



CONTRIBFTIONS hPoM THK NATIONAL HKUUAUirM. 



tosc, troiii !i soiiM'wIiiil slender cloneiitcd root; leaves ])iniiiite, llic 

 leilHets eiil into ;» to 7 liiieiir-liiiieeolute seo'inents; peduncles l> to 7..' 

 em. Iiieli; unilx'ls re\v-r;ive(l. with involueels of lineal' distinct liiact 

 lots; flowers hri<iht vcllow; Fruit ',', to I nnii. lont'; oil tul)es '2 or :; 

 (riirely 1) in the intervals. 



'iype locality. "Hoeky Moiuitains;"' collected hy JdiDix, ik). \1\K 

 in ISl'O; type in llerl). Colutuhia I'niv. 



Sunnuits of hinh moiuitains. Colorado. <'hiellv in the i-eoion of Pikes 

 Teak. 



Sjti'ciiiK'iiK ixoiiiiiicil: 



Cni.oKAiM): I'ikcH I'ciik, iiltitiult' ;{,!)()() inetcrH, l,,ll,'n,ui,i L"j;'., Aiij.'iist 1."., ISSI; 

 Hiiiiu' stiitidii, altitude 4, L'ni) \\\v\vvii, SIhIiIuh WW, Aiijiiist I'S, ISS4; same st;i- 

 tion, .!//(•( EdxtiiiKitl, .Inly, 1H!»2; same station, ('nnliii, Aii;;iist 27, 1S95; fiiiiiic 

 station, altituilc ,".,()()() to 4,L'0() meters, lliihiiiijif !t, .luiic 7, l.silti; same statimi, 

 Kiiniiltdii L'O, .lime 14, ISllti; iU'ar Creek Diviile west of Monnt liesiK'ni.", 

 ultitiide :?,.•!(»(» meters, n<drr2'2S, .lune 2J», ISiW. 



2. Oreoxis bakeri ('. cSc K.. sp, nov. Fio. 4ti. 

 (Jhihrous throughout except some puherulence tit the loj) of ])eduinle 



iuid on rays, cespitose, frmii 

 thickish elonojvted roots; leaflets 

 opposite, 'A to T) j)airs. somewhat 

 distant, l> to .'i-cleft into linear of 

 linear-liuiceolate entire l()l)es; pe- 

 diuicles l()ne(>v thiin th(> letive^. 

 .') to S cm. lone-, (M'eet. or moi'e or 

 less inclined: llowerine- uinl)ei 

 very com])iict. iUmost hciid-like; 

 fruitino- rays nearly e(|ual. 3 to 5 

 mm. lono-; pedicels '2 mm. or less 

 long: involucel of numerous dis- 

 tinct ohoviiti* hractlets stronoly H-toothod tit apex; fruit H to 4 mm. 

 lone-, usuiilly ])urplish: oil tul)eH 2 or 5 in the intervals. 

 Type locality, mountains neai" Pae-osti P(mU<, Colonido. 

 High mountiiins of C^olortido. 



SjH'rliiicun cu'diiiiiicd: 



CoLoKAiH) : !Monnt Ilayden, altitnde .'i.iiOO meters, UaLir, Kurh' \- Tracii iul, 

 .July 14, IHilH; nioniitains near Ta^'osa Peak, altitude ;5,<;0() meters,'. /■'. 

 n<fhr V2, Au<,'ust 2:!, lSi)!». 



3. Oreoxis alpina ((iray) ('. t^. li. 



Ci/itioptcnis (iljtiiniK (ir-Av, Am. .Tour. Sci. II. 33: 40S. lSt)2. 



Puborulent (rarely glabrous), with paler more dissected loav«'s and 

 shorter more crowded letiHets; involueels of somewhsit broader briu t- 

 lets more or less united at base; flowers paler; fruit 4 to 5 mm. lonu, 

 puberulent (at least when young); oil tul)es solitiiry in the interval^. 



Type locality, "on high alpine ridges,'' Colorado; collected by Pdrfi/ 

 in 1801; type in Herb. Gray. 



Fig. 46. — Oreoxis liul<(ii: <i, ti. x S. 



