'212 



CONTKIIUTIONS FKoM TIIK NATloXAL UKRHARM'M. 



with vcrv narrow winj^s. and lilit'onn or almost ol>so|(>t(> dorsal and 

 iiit(>nn('(liat«' ril»s; oil tiilx's (sometimes \vantin<i) wry ohsciife, 8 to •; 

 in tlie intervals. I in eaeli I'il). and »'» on the eomniissiiral .side; seni 

 face ulane. 



'rv|)e locality, on denuded hilltops near "'Alkali."" Oreijfon: eolleeteii 

 hy lloii'rll. no. s;i(i. May L^o, 1.SS2; type in Herb. Coulter, diiplieiilr 

 in r. S. Nat. llerh. 



Mountains of Oregon and Washington. 



Siin-liiii iix i.nini'nii'il: 



()HK(inN: Tyiif spcciiuens as cited iimlcr ty|ic luciility; 'I'l'otit Creek, l?liie Mniin- 



taiiis, limn II. May L'.'i, ISS.'i. 

 \Va>iii\<.t<)n: Siuicoe Mnmitaiii.-, Honill ISO, .Iime, ISSI; iiuMiiitaiiis iieur 

 ('oluinliiis, Klickitat ("niiMty, .S/'/.N'/'-r/' il'OT, April 1:;, iSSd. 

 Our ()riy;iiiai descriiitimi (if tiiis sjiecies incliide<l a .^ecoiul form wliicli Mi\ Howell 

 well separateil as I'liifrdiiiiiiin (/Drimiiii. 



b. Lomatium ambiguum (Nutt.) (". tSi K. 



I''iiliijiliiis iiiiililt/Kiis "Suw. ,]<mr. I'liilad. Ac;id. 7: -7. ls:i-4. 



/', iicriliiiiiiiii iiiiiliii/iDiiii Nutt. ill Torr. i^ <iray. I''l. 1 : <)'_'•>. 1S4(). 



(ihilu'ous, from low aeaideseent to 1] dm. hi<>h and eiud<'seent. with 

 tuberous sometimes moniliform roots: j)etioles much dilated at base; 

 leaves once to twice pinntite, with more or less eloneated linear leaf- 

 lets, the upptM' often more dissected; uinb(>l inu'(|ually S to LS-raycd. 

 with no involucels; raysiJ..') to S.ocni. lone-; ptulicels 4 to S nun. loiiu: 

 flow«M's yellow, fruit narrowly ()blon<>'. o'hibrous, ♦'» to S mm. loiio-. 

 '2 nuu. Iji'oad. vimt narrowly wine-ed; oil-tubes solitary in the iiitci- 

 vals. '2 (broad iind thin) on th(> coiiuuissural side. 



I'yjM' lociility. "on the borders of Flat-Head Kiver,'" (Jrej^on; col- 

 lected by Wj/rlh; type in Herb. Philad, Acad. 



l*"'r()m eastern Oreoon to British Columl)ia. iind (\istward to Mon- 

 tana and western Wyomine-. 



S/ii'i'liiiiKx i'.riniiiiii(l: 



()|{i:(;<»n: Tyi>e specinieiis as cited under tyiie locality; ^'/cvr/' L'ilS; IMue ^Idiin- 

 taiiis, A'lV'No-. ill ISToaud 1S74; I'liioii ("ouuty, Cnsick U)ii'.l, May-.huie, is^^!; 

 Uni'In-sni, 5,-,. .June, ISSti; Shrlilmi s;i()S, ill 1S97; Ciisirh- L'lSS, in 1898. 



Wasiiimiion; Hills near Spokane, Li/till, in istil; eastern \Vashiny;ton, (•' 11. 

 VdKii/ I.'), in iss;5; Spokane County, Xn/..sv/(;/;/' ;!lit, June in--_'.s, 1SS4; (■. I!. 

 lu.sv'v 2i)8, in ISS!); Spokane County, l/iiKhrxmi :5!)2, June-July, 18i)L': I'nll- 

 niaii, I'ipn- 15(11', .Inly 20, ISitH; Sandhrr;/ .V- l.rihrr;/ 22, 44, 481, in I'-'t'l; 

 Weiiatcliee, Wliltxl (il. May (>, 180(); Spokane and lilne ;\Iouiitains, Walla- 

 walla County, I'l/xr 22U\), 2.SS7, May-Au^nist, lSi)(i; I'due Mountains, llnnnr 

 L'L'O. July L'ii. 1807; i'ullnian, Wliitnian County, Khiicr H27, May, 1807. 



linrrisn Coi.cmiua: Yale, Miicniin, ISIay-Jnly. 1880. 



1j).\iio: Kootenai County, A(/7(r/v/ ."1.5 1, June, 1800; Laki' Pend Dreille, l,i'il"i(j 

 (i:!7. May-.Iuly. 1801; alonjj; Peter Creek (Ne/ Perces County ) and valli ,n nt' 

 Sjiokaiie liiver (Kootenai County), SniKllnr;/ 125, ti.'>0, ]\Iay-July, 1>'''-; 

 Clearwater Itiver, Unnhrxon, June, 1804; St. Marys liiver, Lrlhini 88, .lime 

 27, 180.") Lewiston, Ncz Perces County, .1. .1. .t- /•;. Cnlnidr llrllrr 2'>'>'\ 

 Ai>ril :«), 1800; Priest tiiver, Lrihcr;/ 2817, August 4, 1807; Sulubria and 

 Indian Valley, Joucx, July 10-lH, 1899. 



