Tauschia arguta (Torr. & Gray) J. F. Macbr.

Tauschia arguta (Nutt.) F. Macbr. Contr. Gray-
Herb. 56: 32. 1918.
Deweya argula T. & G. Fl. N. Am. 1: 641. 1840. Liguslicum argutum Nutt.; T. & G. Fl. N. Am. 1: 641, as syn. 1840. Arracacia argula Benth. cSt Hook.; S. Wats. Bibl. Ind. 419. 1878. Velaea arguta Coult. & Rose, Rev. N. Am. Umbell. 120. 1888. Velaea arguta var. ternata Coult. & Rose, Bot. Gaz. 14: 282. 1889.
Short-caulescent from a long, inflated taproot, 3-7 dm. high, glabrous throughout; leaves oblong to ovate in general outline, excluding the petioles 8-16 cm. long, 5-10 cm. broad, pinnate or trifoliate by reduction, the leaflets oblong to oval, distinct, usually petiolulate, 3-8 cm. long, 2-5 cm. broad, finely to coarsely mucronateor spinulose-serrate and often with 1 or 2 lobes at the base; petioles 6-20 cm. long; peduncles 17-46 cm. long; involucre wanting; involucel of several linear to lanceolate, entire or lobed bractlets, 2-10 mm. long, shorter or longer than the flowers but shorter than the fruit; rays 12-25, unequal, 2-12 cm. long; pedicels 3-9 mm. long; calyx-teeth evident; flowers yellow; styles slender, spreading; carpophore 2-cleft to the base; fruit oblong, 6-9 mm. long, 3-5 mm. broad, the ribs very prominent, acute; oil-tubes 3-5 in the intervals, 4-6 on the commissure; seed-face deeply sulcate.
Type locality: "Woods of San Diego," California, ~Nutla.ll.
Distribution: Coastal southern California to Baja California (Elmer 393S, Jones 3027).