(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 3906; 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. Barserry Famity. 
1. ODOSTEMON. OREGON 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. Fremontit. 
Leaflets oblong-lanceolate, 15-35 mm. long, spinulose-serrate; teeth 
slender, numerous. 2. O. Nevinit. 
Leaflets 5-9, 20-30 mm. broad; racemes many-flowered. 
Leaflets green above, scarcely paler beneath, rather thin, spinose teeth 
6-10 on a side. 3. O. fascicularis. 
Leaflets much paler beneath, prominently reticulate-veined, thick and 
undulate; spinose teeth usvally 4-6 on a side. 4. O. dictyota. 
1. OpostemMon Fremont (Torr.) Rydb. Bull. Torr. Bot. Club 
33: 141. 1906. 
Berberis Fremontit Torr. Bot. Mex. Bound. 30. 1859. 
Mahonta Fremontii Fedde, Engl. Bot. Jahrb. 31: 98. Igor. 
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 3603. 
2. Odostemon Nevinii (A. Gray). 
Berberis Nevin A. Gray, Syn. Fl. 1, pt. 1: 69. 1895. 
Mahonia Nevinit Fedde, Engel. Bot. Jahrb. 31: 102. Igor. 
Type locality: ‘Southern California, near Los Angeles on a 
sandy plain.” 
