tude 400 meters; collected by Jepson, March 25 (in flower) and June 
20 (in fruit), 1892; type in Herb. Univ. Calif. 
We have not seen this plant, and simply adapt the original description. f 
204 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
Leptotaenia californica dilatata Jepson, Erythea 1: 68, 1893. 
“Leaves nearly as in the type; peduncles at summit abruptly 
widened into a disciform dilatation 9 lines in diameter; fruit 7 lines 
long, 5 lines wide, narrowly margined; oil tubes anastomosing.” 
Type locality not given; collected by Bolander, no. 6529, presuma- 
bly in California; type in Herb. Univ. Calif. 
We have seen no specimens. 
58. LOMATIUM Raf. Jour. Phys. 89: 101. 1819. 
Cogswellia Spreng. in Roem. & Schult. Syst. 6: xlviii. 1820, 
Peucedanum 1, as to North American species. 
Calyx teeth obsolete (very rarely evident). Fruit strongly flattened 
dorsally, oblong to orbicular. Carpel with filiform and approximate 
Fie. 60.—Lomatium nevadense: a, x 3; b, x 4. 
dorsat and intermediate ribs, and winged laterals coherent till maturity 
with those of the other carpel; pericarp thin, with strengthening cells 
beneath each rib and nerve. Stylopodium wanting. Oil tubes one to 
several in the intervals (rarely obsolete), 2 to 10 on the commissural 
side. Seed dorsally flattened, with plane face (rarely slightly concave). 
Acaulescent or short caulescent dry ground perennials, with fusi- 
form or tuberous roots, ternate (sometimes pinnate) to dissected leaves. 
no involucre, involucels mostly present, and yellow, white, or purple 
flowers. 
