«7 



Distributed u.s /'.//(»//// Wulsoii. |)<-.li.at.'.l lo Mr. I. C. Maitm.lalH, 

 to whose collection of rmln llifi nr wf juf imn-li iiKlobtcd. 



^'al•. angUStatum C". X: K. 1. c. 1 i:{. I'suMlly more caules- 

 cent aiul sometimes taller, \'. it h more dissected lea\es, and wings 

 of fruit but half a lii\e wide, maUiiig a fruit 2 lines wide. 



Mountain peaks, California, Yoseniite {('urrnn), Mendocino county 

 (A>/?of/f7); Oregon, Cascade Mts. {llowrlD; Washington TeniUny [Unni- 

 (leffce :\2'S, Tweed ji 2«), Mt. Adams (N»/i.sf/o// :!H:j), and oth<M- mountain 

 peaks; Vancouver Island. Mt Aiiowsniith, ■'),.'>00 feet altitude [.\f(tr(tno l!i). 

 Distributed aw /'. Ilnllii. 



27. P. Vaseyi C. iK: R. iiot. Gazette, xiii. ]44. Shortly 

 caulescent, (S to S inches hioh, jnibescent: petioles wholly inflated; 

 leaves small ( I to 2 inches long), bipinnate, with the small ovate 

 segments irregularly 8 to o-lobed: umbel equally 2 to 5-raycd, 

 with involucels of obovate petiolulate toothed bractlets; rays an 

 inch long; pedicels a line or two long; flowers yellow (?): fruit 

 liroadly oblong, emarginate, glabrous, (*) to 7 lines long, 4 lines 

 broad, with wings twice as broad as body, and mostly prominent 

 dorsal and intermediate ribs: oil-tubes solitary in tlie intervals, 

 4 on the commissural side. 



California, San Bernardino Mts., May, 1880 (G. R. Vaney'lM}, Mesas 

 near San Bernardino, April, 1881 (S. B. iv W. F- Parinh 28(), in i)art). Fol- 

 soni, May, 188:^ (AA A'. Currnn) 



Distributed by Vasey as P. maciovnrpum Nutt , var., and by Parish as 

 CymopteruM terebinthinuH Torr. & Gray. 



J; .5. Caulescent, puberulent or pubescent (occasionally glabrous), 

 from elongated comparatively slender roots: leaves decompound, with nar- 

 rowly linear more or less elongated segments (excepting /'. Ptin'Mhii) and 

 usually wholly dilated petioles; bractlets of the involucel scarious-mar- 

 gined, more or less conspicuous. 



* J^ruit--iX'in<rs nearly as broad as body^ t/iin : oil-tubes large 

 and solitary in tJic intervals: dorsal and intermediate ribs promi- 

 nent. 



28. P. utriculatum Nutt. Torr. .K: (iray, Fl. 1. 028. Cau- 

 lescent or sometimes nearly acaulescent, from cespitose to a foot 

 or more high, from a more or less tuberous root, puberulent or 

 glabrous: petioles very broadly dilated; leaves tcrnately or pin- 

 m.tely decompound, with ultimate segments narrowly linear, 

 (') lines or less long: limbcl iMKH|u;dly .'» to 20-r;iycd, with involu- 

 cels of much dihited mostl\ obovate often toothed petiolubite 

 bractlets; j-ays 2 inches or less hmg; pedicels 2 to o lines btng; 



