138 



roNTKinUTIONS FKOM THE NATIONAL TIKRMARirM. 



(M'lil iiiirrowly rmoii' cloii^^jitcd ))riU'tl(>fs; rays 1 to '2 cin. I<)!i<;! ])(•(!;- 

 cols 4 to (! iimi. loni,^ friiil narrowly ohloiiji', '^ to ;") iiiin. Ion*,'-, wiiii 

 short conical stylopodiiini. and narrow prominent almost wiiiyiil 

 ril)s; oil tubes H to a in the iiitei'vals, S on the commissural side. 



Type locality. "Osti'ander's Meadows," Yosemite Valley, CJaliforni.i; 

 collected by Ii(>l<iii<l<r. no. f'>:'.4i, in ist)!;, altitude 2,4(»() meters: tyjic 

 in llerl). (li'ay. duplicate in V . S. Nat. Ilorh. Associated with (lie 

 ty])e in the orijjfinal desci"ii)tion is Iln ir, r from Kl)hetts Pass, Alpine 

 County. 



Tn the Sierra Nevada of California, from th«> Yosemite re<,''ioii lo 

 Siskiyou County. 



Siu'cimnis r.ntiniiici} : 



(!.\likc)UNIa: TyjK- spcciiiiciis as citeil under 1y]i(" locality; K))lK'lts I'ass, Alpine 

 County, ii!titu(h> 2,550 meters, lUrurr L'OSl', in ISfi.'S; Mount Stanf<pnl ami 

 IMouiit Sliasta, Ilnnkii' A- (iniji, in 1S77; Soda S])riu;^.'J, Nevada County, aiii- 

 tude L'.iOO meters. Jnm's U'!t:'.7, .Inly I'O, ISSl. 



1(). Ligusticum oreganum C. tSc K.. sp. nov. 



Kes(>ml)lin<>' A. i/rai/l. tmt taller (reachin>^ (J dm.), and with larecr 

 leaves; leaf seo-ments with sharper lobes; rays 2.5 to T) cm. ion-j; 

 pedicels 4 to S mm. lon^-; fi-uit with ntirrow wings and low tliiek 

 stylopodium. 



Type locality. Eayle (M'eek Mountiiins, Union (\)unty, Orejif. ; col- 

 lected bv ('>ik!<-1\ no. 1(158. Auii'ust-September, 1M84; tv])e in V. S, 

 Nat. Herb. 



Only known from type locidity. 



IT. Ligusticum cusickii C. c'v: R., sp. nov. 



(Jliibrous throu<;"hout; stems slender, 5 to ♦> dm. high: leaves neailv 

 all basal, once or twice teriiiite then ])imiiite; letiHets rather distant. 

 ovate, obtuse, 1 to 2.5 cm. long, lacerate into lineiir or narrow divi- 

 sions; luubel few-rayed, with involucels of a few lmear-setaeei>iis 

 bractlets; rtiys iibout ecpiid. 5 cm. long or more; pedicels »i to S miii. 

 long; fruit oblone. 4 mm. loni;-. with nsirroAv but wino-like ribs; st\lo- 

 podium slender conictd. 



Type loctdity. higher moimtidns of ciistern Oregon, altitude l.Min 

 to 2, 4(K) meters; collected by ('iisl<-l-, no. I7t>!», in bS97, tmd said to he 

 very tibundiuit; type in l^. S. Nat. Herb. 



From the moimttuns of northeastern Californiti to those of oiisleni 

 Oregon. 



Spci'iinaix I'.iamhicd: 



OitEcioN: Tyiie spc'cituens as cited under tyjie lociiiity; Warner Uan^'e, I ike 



County, altitude 1,X0() nietern, (hvillrA- Lei he r</ 24, .July 25, 18%. 

 Califokxia: Sierra Valley, f.cnnnoii, Junv, 1889. 



18. Ligusticum pringlei C. & R., sp. nov. 



Kesend)ling L. cmlckii, but stouter, somewhat taller and nnirc 

 branching, and with larger leaves; leatlets loss distant, acute or obi use, 



