122 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
solitary in the intervals, 2 on the commissural side. Seed sulcate 
beneath each oil tube (commissural as well as dorsal). 
Mostly aquatic glabrous herbs, with succulent stems, pinnate or 
decompound leaves, and usually involucrate umbels of white flowers. 
First species cited, Oenanthe fistulosa L. 
A genus of about 30 species, all of which belong to the Eastern 
Hemisphere excepting the following Pacific coast species and a Mexi- 
can species. 
1. Oenanthe sarmentosa Presl., in DC. Prodr, 4: 138. 1830. 
Fig. 35. 
Succulent stems 6 to 15 dm. high; leaves ternate and bipinnate; 
leaflets ovate, acuminate, toothed, often lobed at base, 1 to 2.5 em. 
long; umbels many-rayed, with involucre of a few linear bracts or none, 
and involucels of similar more numerous bractlets; rays 2.5 cm. long 
or less; pedicels numerous, short; fruit about 4mm. long, with com- 
missural face (as well as ribs) very corky. 
Type locality, ‘‘ Nootka Sound,” Vancouver Island; collected by 
Haenke. 
From British Columbia to central California. 
Specimens examined : 
Bririsn Cotumsia: Near Victoria, Vancouver Island, Macoun 306, July 21, 1893. 
Wasnincton: Grays Harbor, Chehalis County, Wilkes Exxped.; Cascades, Kellogg 
«& Harford 314, in 1868-69; upper valley of the Nesqually, Allen 35, August— 
October, 1893; near Montesano, Chehalis County, A. A. & E. Gertrude Heller 
3985, June 29, 1898. 
Oregon: Near Portland, Kellogg & Harford 313, in 1868-69; western Oregon, 
Howell, August, 1880. 
Catirornra: Mendocino County, G. Rk. Vasey, in 1875; Plumas County, Lemmon, 
in 1889; Amador County, Hansen 323, May 27, 1893; near Mendocino, Brown 
831, June, 1898. 
Oenanthe sarmentosa californica (Watson)C. & R. Rey. N. Am. Umbell. 
92. 1888. 
Oenanthe californica Watson, Proc. Am. Acad. 11: 189. 1876. 
A more southern form, with usually more approximate and acute 
or acutish leaflets. 
Type locality, ‘‘ marshes at Point Lobos,” California; collected by 
Kellogg; type in Herb. Gray. 
From the Bay Region, California, to San Diego County. 
Specimens examined: 
Cauirornta: Near San Diego, Palmer, in 1875; near Santa Barbara, Rothrock, 
July, 1875; near Los Angeles, Hasse, June 5, 1888, and July, 1891; near 
Berkeley, Greene, April, 1889. 
After an examination of the material cited above we can find no reason for 
changing the conclusion reached in our Revision. The intergrades are too numerous 
and the characters too slight to recognize in californica anything more than a south- 
ern form. 
In addition to the specimens cited above, which are fairly recognizable as typical 
