(31 



side: sccil-facc witli ;i slij^ht cciitr.il lon^itiKlinal ridj^f. (I'i*^. tT.) 

 N. Califoi.Miii uiid N. Novada to X. W. Tcnituiy ( .l/((<f>//(/ 1 and Sas- 



kati'hevvun. Fl. May and Juno. 



W(> (ind lliat a ^'ood d.-iil of this spct-ics has Im-cii disti ilnit.cd in Iht- 



haiia as /'. hiclnr. 



I -. P. eurycarpum. Canlcsccut, l)i;mcliin<;-, a foot or two 

 hii^li, more or less piihcscL-iil, frcciiicr.tly from a much enlarged 

 tuberous root: leaves teruate-pinnatcly decompound, with small 

 linear cuspidate segments: umbel 8 to 12-ra\ed, with involucels of 

 lanceolate acuminate often united bractlets; ra\s y, io \ inches 

 long; pedicels 1 to T) line^ lont;: fruit broadly elliptical, glabrous, 

 5 to \) lines long, ;5 to I lines broad, w ith w ings as broad as body 

 or broader, and liliform dorsal and intermediate ribs: oil-tubes 

 large, solitary in the intcrxals, "I on the eommissuial side. (Fig. 48.) 

 — P. tind iconic, var. (?) clliptictini Torr. iS: (iray, Pacif. R. Rep. 

 ii. 121. /'. Diacrocarpiiiii, var. ( r) ciirycarpuni (J ray, Proc. Am. 

 Acad. viii. HS-"). 



From the Sacramento in California to Or.'gon (//"</// 210) and British 

 Columbia (Mccnun). 



The coarser foliage, shorter and broad-winged fruit, and less conspicu- 

 ous involucels, are the more prominent characters which seem to entitle 

 this form to rank as a species, rather than a variety of P. macrocar\uim. 

 "Skelaps" of the Spokane Indians, its very large starchy roots forming a 

 valuaUe food. 



13. P. dasycarpum 'i'orr. & Gray, Fl. i. (j'-S. \'ery short 

 caulescent or acaulescent, with several stout peduncles (3 to 12 

 inches high from a common root, tomentosc-pubescent : leaves 

 rather small, pinnateU deeompour.d, with numerous short linear 

 segments: imibel somewhat ecjually <) to ]2-ra}ed, with involucels 

 of linear-lanceolate more or less tomentosc bractlets; rays 1 to 3 

 inches long; pedicels W to 5 lines long: fiuit nearly orbicular^ 

 coarsely pubescent (sometimes beconning almost glabrous), 4 to 7 

 lines long, 3i/2 to () lines broad, with thin membranous wings 

 broader than thebod\, and liliform tlorsal and intermediate ribs: 

 oil-tubes large and solitary in the intervals (an occasional sccorulary 

 one in the lateral intervals), 4 on the commissural side: seed deepK 

 sulcate beneath the oil-tubes, with plane face. (Fig. 4y.) 

 P. Prill i^lci C. .S: R. Hot. Gazette, xiii. 209. 



California, San Diego county iPn'ngie, Parrij, Vasrii), Lake and 

 Eldorado counties (3/. A'. Cun-un); New Me.xico, I'pper Gila U>reenn). Fl. 

 Apiil and May. 



