(359) 
Distribution: Santa Barbara County southward to northern 
Lower California. In southern California this species is almost 
wholly restricted to San Diego County, where it is the common 
clematis. Upper and Lower Sonoran. 
Specimens examined: Santa Barbara, Elmer 30906; near San 
Bernardino, Parish 3626; Whitewater, Vasey, Feb. 1881; San 
Diego, Nuttall; Abrams 3428; Foster, Chandler 5033; Point Loma, 
Chandler 5088; Campo, Abrams 3612; Hill Valley, between 
Campo and Jacumba Hot Spring, Abrams 3736, San Ysabel, 
Henshaw 61. 
BERBERIDACEAE. BarsBerry Famity. 
1. ODOSTEMON. OreEGoN GRAPE. 
Leaflets 3-7, 15 mm. wide or less, very pale; racemes loosely 5~-7-flowered. 
Leaflets 15-25 mm. long; spinose teeth 2—4 on a side, stout 
1. O. Fremontii. 
Leaflets oblong-lanceolate, 15-35 mm. long, spinulose-serrate; teeth 
eet numerous. 2. O. Nevinii. 
Leaflets 5-9, 2 mm. broad; racemes many-flowered. 
eaflets green “ares scarcely paler beneath, ee thin, spinose teeth 
pees a side. ce ascicularis. 
Leaflets much paler beneath, prominently reticulate- ie thick and 
undulate; spinose teeth usvally 4~6 on a side. . O. dictyota. 
1, OpostemMon Fremonti: (Torr.) Rydb. Bull. Torr. Bot. Club 
33: 141. 1906 
Berberis Fremontii Torr. Bot. Mex. Bound. 30. 1859. 
Mahonia Fremontit Fedde, Engl. Bot. Jahrb. 31: 98. 1901. 
Type locality: “On the tributaries of the Rio Virgen, in south- 
ern Utah.” 
Distribution: Southern Utah and Nevada southward to Arizona, 
also in southern California and northern Lower California. In 
southern California this species has only been collected near the 
southern boundary. Upper Sonoran. 
Specimens examined: Walker’s ranch, near Jacumba Hot Spring, 
Abrams 3693. 
2. Odostemon Nevinii (A. Gray). 
Berberis Nevinit A. Gray, Syn. Fl. 1, pt. 1: 69. 1895. 
Mahonia Neviniit Fedde, Engel. Bot. Jahrb. 31: 102. Igor 
Type locality: “Southern California, near Los Angeles on a 
sandy plain.” 
