79 



T f /'7ozct'rs vvl/dic : (>i/-t///H's tiiinicroHs. 



7. C. terebinthinus Ton. .\: (nay, Fl. i. (Vjl. Shortly 

 laiilcscciit, -lahroii^^, <) lo IS iacb.t-s hi;L(li, leafy at base: leaves 

 rather rij^itl, tb.iiee pinnate ( somctiiiies tcrnatc at llist); leaflets a 

 liiic loni;" or loss, linear of lincar-(»l)lonL,', entire or toothed, nnicro- 

 nalc: nniltcls with 4 to IT) fertile rays, mostly no involucre, and in- 

 \ohKt.'ls of shoit lineal- or lanceolate ])ractlets; rays >^ to 2 inches 

 lon,o-; pedicels 1 to") lines Ion--; fruit :5 to i lines lonj,^, the (mostly) 

 T) car[)el winj^s hroad aiid thin (sometimes wrinkled ), with a rather 

 indistinct j^roup of strenj^thcnin"^ cells in tlie base of cach:oil- 

 tuhes "J to T) in the intervals, T) to 10 on the commissural side. 

 ( I''i<i^, SO.) Inch Cfa'tiicidaccits^ C alhijlonis^ ami C. t/iapsoidcs 

 of Xuttall in Torr. <!;: (iray, Fl. i. (321. 



From the mountains of S. California to Britibli Columbia, and extend- 

 ing eastward through Nevada and t'tah to Colorado and S. W. Wyoming, 

 ri. April to June. 



Tiiisis nnindci/i' siio and Tinr,!,/ s|i) of Canl.vs N". Trar..seontinrntal 

 Survey, distriljutod as ('..' (dii.salu.'i. 



<S. C. Fendleri <'ra\ , PI. Fcndl. .■")(). Low, suhcaulcsccnt: 

 leaves oblong or ovate-lanceolate in outline, e\ceedin<j; the jjcdun- 

 cles, *2 to ^{-pinnate, pinnu' and sej^ments o or 7, oblong and incised : 

 umbels few-rayed, with no involucre, and involucels of oblong or 

 lanceolate iiractlets united at base and exceeding the flowers: fruit 

 about 8 lines long, each carpel with 8 or 4 thin wings: t)il-tubcs 

 several in the intervals, 4 on the comniissural side. 



Gravcllv hills, Arizona ( /^((.s/z/y I, and New Mexico [ h'l inlltr 'l'\. Xi ir- 

 Inrri/, Tlinrber), to W. Texas and Mexico iliiye.Uiir, ]V,i!il<l. in Mcx. 

 liound. Suiv.);also Fort Lyon, on the Arkansas {Pdliiier). 



* * Sri\f-forc :•(•/']■ ihcply coi/cavc. 

 ■V F/n:.;-rs vr/7o,v. 



'•>. C. longipeS Wals-.n, KingV Kep. \. r,M. Siiortly cau- 

 lescent, glabrous: leaws pinnate to bipinnate, the ultimate seg- 

 ments o\al am' mucronulate: fruiting peduncles longer than the 

 lea\ esj I |(. 1(» inelies long: uinbeU r> lo 10-ra\id, with mosllvno 

 in\i)lncie, and involucels of subulate acuminate bractlets; rays t) to 

 15 lines long; peilicels 't lines long: iVuit ."{ to 4 lines long, the 5 

 cirixl wings broad ami tiiin, rather une(|ual: oil-tubes M in the in- 

 lerxals, (» on the i-onimissmal sidi: seed-fac-e stiongU iiut.luti-, 

 nearl\- I'Uilosing ;i central ca\il\. ( I'ig. S|.) 



