109 
/ 
84. PIMPINELLA Linn. Gen. n. 366. — Glabrous peren- 
nials, with ternately or pinnately compound leaves, involucre and 
involucels scanty or none, and white or yellow flowers. 
1. P. integerrima Benth. & Hook. Gen. PI. i. 894. G1 aucous, 
1 to 8 feet high, branching: leaves 2 to 8-ternately compound; 
leaflets lanceolate to ovate, entire: umbels 10 to 20-rayed ; rays 2 
to 8 inches long; pedicels 4 to 6 lines long: flowers yellow: fruit 
broadly oblong, 2 lines long: stylopodium small or wanting: oil- 
tubes mostly 8 in the intervals, 4 on the commissural side: seed- 
face almost plane. (Fig. 117 .) — Zizia integerrima DC. 
Eocky hillsides throughout Canada and the Atlantic States, as far west 
as Minnesota, Missouri, and Arkansas. FI. May. 
2. P. apiodora Gray, Proc. Am. Acad. vii. 345. Smooth, 
rather stout, 2 to 8 feet high: leaves mostly radical, 2 to 3-ternate, 
the cuneate-ovate leaflets laciniately pinnatifid and toothed, an 
inch long: umbels long peduncled, 6 to 15-rayed; rays 1 to 2 inches 
long, hispidly puberulent: flowers white or pinkish: fruit (imma- 
ture) broadly ovate, Ij-^ lines long: oil-tubes numerous in the 
intervals (4 or 5 in the dorsal, 6 in the laterals), 8 or more on the 
commissural side. 
From San Francisco, California, to E- Nevada ( Watson). 
The plant is said to have a strong odor of celery. Mature fruit has 
not vet been collected- 
Var. nudicaulis Gray,l. c. viii. 385. Small, stem scapiform, 
almost leafless, scarcely a foot high. 
A high mountain form, Oregon {Hall 206). 
P. Saxifraga L. var. major Koch, a European species, has 
been collected since 1877 by Prof. T. C. Porter and others along 
rocky shores of the Delaware River, from Delaware Water Gap 
i^Poggenburg') to Easton, Penn., and along road-sides near the 
latter place; also at Sycamore, Ohio, in 1878 (//. H. Rusby), It 
has simply pinnate leaves with sharply-toothed leaflets, oblong 
fruit a line long, with ribs sometimes almost obsolete, convex seed- 
face, a cushion-like stylopodium, and white flowers. (Fig. 118.) 
85. APIA::^TRUM Nutt. 
Very slender smooth branching 
nuals, with finely dissected leaves 
in Torr. & Gray, FI. i. 648. — 
(somewhat dichotomously ) an- 
having filiform or linear (some- 
