lon^; pcnliccls 2 to 4 lines lonj;-; llowcrs wliilc: fruit somewhat 

 obovate, glabrous, iU/^ to (5 lines long, 2 to 4 lines broad, the 

 usually narrow wings in robust specimens sometimes becoming 

 almost as broad as botly, filiform or obsolete dorsal and intermed- 

 iate ribs: oil-tubes exceedingly small, often obscure, () to 8 in the 

 intervals, 8 to 10 on the commissural side: seed-face concave. 

 (Fig.B2.) 



California, San Bernardino county, high ridges north side of Oil Baldy 

 Ut. {Parish 1942, in June 1H8-), Bear Valley, 6,500 feet altitude (P«/(«/( 

 1828, in June ISSC), Colusa county, Bear Valley {M- K. Curran, in May 

 1884). 



^ (5. Mostly tall and t)ften stout, from long fleshy roots: leaves not so 

 much divided, with usually broad or elongated segments: bractlets of the 

 involucel small or none: flowers mostly yellow: fruit glabrous, narrowly 

 winged (except in 3 species): oil-tubes mostly large and solitary in the in- 

 tervals (3 to 5 in a few species). 



* Leaves XL'itli narrowly linear more or less elongated 

 leaflets. 



•j* Low : Jlozcers w/iite. 



82. P. Cusickii Watson, Proc. Am. Acad. xxi. 453. Dwarf, 

 caulescent, glabrous, from a thick elongated root: stems 2 to o 

 inches high, bearing a single leaf: leaves 1 to 2-ternate, the seg- 

 ments with 3 to 5 linear acute lobes from 3 lines to an inch or 

 more long: umbel with 1 to 3 short fertile rays, and involucels of 

 narrow acuminate bractlets, which are distinct or more or less 

 united; pedicels very short: fruit oblong-elliptical, 4 to 5 lines 

 long, the thin wings as broad as the body or narrower: oil-tubes 

 1 to 3 in the intervals, 4 or on the commissural side: seed-face 

 concave. (Fig. 63.) 



Oregon, on the highest summits of Eagle Creek Mts., Union county 

 (CuHick, in 1885), subalpine ridges of Blue and Powder lliver Mts. ( Cn><irlc 

 1280, in 1886). Fl. July and August. 



Resembles small forms of P. Himplex. 



t t Taller -.flowers yellow. 



33. P. simplex Xutt., Watson, King's Rep. v. 129. Cau- 

 lescent or acaulescent, jjuberulent, often tall and stout: leaves ter- 

 nate or biternate; leaflets from very narrowly linear (almost fili- 

 form) to linear-lanceolate, 2 to 4 inches long: umbel unequally 3 

 to 15-rayed, with involucels of lanceolate or setaceous bractlets; 

 rays i^ to 3 inclu'slong; pedicels 1 to 3 lines long: fiiiit l)rc):ull\ 



