UMBELLIFER^E. 267 



bristly on the ribs. Carpels slightly flattened dorsally or not at 

 all, with 5 acutely carinate equal ribs. Stylopodium mostly de- 

 pressed. Oil-tubes obsolete in mature fruit. Seed-face concave. 



G. occidentalis Nutt. 1. c. Rather stout, puberulent or pubescent : 

 leaves 2-3-ternate ; leaflets 1-4 inches long, acute, coarsely serrate, rarely 

 incised : umbel 5-12-rayed, naked or with 1 or 2 involucral bracts ; rays 

 1-5 inches long, mostly erect: pedicels 1-3 lines long: fruit 7-12 lines 

 long obtuse at base, glabrous, with prominent acute ribs : stylopodium 

 half to a line long ; seed-face concave. In the higher mountains, Brit. 

 Columbia to California, Montana and the Wahsatch. 



G. ambiguum Gray Proc. Am. Acad. viii, 386. Glabrous or hairy 

 near the nodes: leaves 2-3 ternate: leaflets 1-2 inches long, acute, shortly 

 toothed or cleft: umbel 4-8-rayed, naked ; rays about 2 inches long, some- 

 what spreading ; pedicels 1-3 lines long: fruit 6-7 lines long acutish at 

 base, sometimes bristly, with prominent ribs : styles half a line long : seed- 

 face concave. Western Washington and Oregon to California. 



29 VEL^A DC. Prodr. iv, 230. 

 DEWEYA T. & G. 



Perennial herbs from thick elongated roots with mostly radical 

 pinnate or ternate leaves, conspicuous involucels and yellow 

 flowers. Calyx-lobes obsolete or prominent. Fruit oblong to 

 orbicular, glabrous or pubescent. Carpel somewhat flattened 

 laterally, with prominent and equal filiform ribs (the intermedi- 

 ates somewhat distant from the laterals) and a thin pericarp. 

 Oil-tubes conspicuous, 36 in the intervals, 4-10 on the commis- 

 sure. Seed terete, the face strongly involute, enclosing a central 

 cavity. 



V. glauca C. & R. Contrib. Nat. Herb, iii, 321. Shortly caulescent 

 slender, 8-18 inches high, erect or somewhat spreading, glabrous and 

 somewhat glaucous : radical leaves small, bi- or tri-ternate ; stem leaves of- 

 ten simply ternate ; leaflets small, 4-8 lines long, mostly cordate or truncate 

 at base, often 3-lobed or 3-parted, irregularly toothed: umoel 7-15-rayed, 

 with no involucre and involucels of small linear bracts : rays 1-3 inches 

 long ; pedicels a line long or less : fruit orbicular, a line in diameter ; carpo- 

 phore parted below the middle, flowers yellow. On dry hillsides in open 

 wood 3, Southwestern Oregon. 



V. Kelloggii C. & R. Rev. Umb. 121. Deweya Kelloggii Gray. 

 Acaulescent or nearly so, mostly puberulent; 2-3 feet high: leaves tri- 

 ternate; leaflets ovate, half to less than an inch long, mostly :-lobed : 

 umbel 8-16-rayed, mostly with no involucre, and involucels of small linear 

 bractlets; rays 2-3 inches long : fruit 1-2 lines long, almost as broad, some- 

 what notched at base, with filiform ribs : oil-tubes 3 in the dorsal inter- 

 vals, 5-6 in the lateral ones, 8-18 on the commissure. Southern Oregon to 

 Southern California. 



V. Howellii C. & R. 1. c. 122. Glabrous throughout, short-caulescent; 

 2-4 inches high: leaves 1-3, thickish about 18 lines long, with ovate out- 

 line, pinnatifid, the oblong segments irregularly cuspidate-toothed and 

 lobed, with revolute margins ; umbel 3-6-rayed, with no involucre and 

 involucels exceedingly prominent, being exactly like the leaves and form- 

 Ling the principal part of the foliage of the plant; rays 6-8 lines long; pedi- 



