286 Umbellaceae 
FF. Fruit narrowly oblong or short-oblong, 4—6 mm. wide; lateral wings not 
prominent; oil-tubes inconspicuous, 0—1 in each interval; leaflets shorter. 
G. Fruit short-oblong; peduncles slender. 
H. Leaflets ridged, hard-tipped; flowers purple. E. 
L. watsoni ©. & R. 
HH. Leaflets thin, not rigid. 
I. Flowers salmon-colored; pedicels long. E. 
L. salmoniflora C. & R. 
II. Flowers deep yellow; pedicels short. E. 
L, leibergii C. & R. 
GG. Fruit narrowly oblong; peduncles enlarged and turgid. E. 
L. minor Rose 
EE. Leaflets cuneate-obovate. U. E. 
L. californica Nutt. 
LOMATIUM (Peucedanum, Cogswellia) HOG-FENNEL 
Perennial, on dry soil; acaulescent or nearly so. Leaves ternate or pinnate to dis- 
sected. Flowers white or purple or yellow; involucre none; involucels mostly present. 
Calyx-lobes none or rarely evident. Fruit strongly flattened dorsally, oblong to orbicular; 
dorsal and intermediate ribs approximate, filiform; lateral ribs winged, coherent with 
those of the other carpel; stylopodium none; oil-tubes | to several in each interval, rarely 
none, 2—10 on the commissure face. (Gk. loma=a border, referring to the fruit-wings. ) 
A. Plants arising from globose tubers, mostly not tall; leaves small, more or less dis- 
sected. 
B. Flowers white. 
C. Fruit puberulent. E. LL. gormani C. & R. 
CC. Fruit glabrous. 
D. Oil-tubes none. E. (P. evittatum.) 
L. geyeri ©. & R. 
DD. Oil-tubes present. 
E. Oil-tube | in each interval. 
F. Lateral wings thickish; umbels 2—5-rayed; rays |—2 cm. long; ped- 
icels 3—4 mm. long; fruit 8 mm. long. E. 
L. hendersoni C. & R. 
FF. Lateral wings thin; umbels 5—10-rayed; rays 2.55 cm. long; 
pedicels 8—12 mm. long; fruit 5 mm. long. E. 
L. canbyi C. & R. 
EE. Oil-tubes several in each interval. 
G. Pedicels slender, 8—16 mm. long, longer than the fruit; tubers 2s 
fruit-wings less than half as wide as the body. E. 
L. farinosum C. & R. 
GG. Pedicels very short, much shorter than the fruit; tuber 1; fruit- 
wings about half as wide as the body. E. 
iF. piperi CoP Sake. 
BB. Flowers yellow. 
H. Fruit linear. 
I. Umbbellets open; pedicels slender, 4—8 mm. long; involucels none. C. FE. 
L. ambiguum ©. & R. 
IJ. Unmbellets compact; pedicels almost none; involucels of small linear bracts. 
Ex L. leptocarpum C. & R. 
HH. Fruit oblong or ovate. 
