MUSTARD FAMILY 255 



petals light, conspicuously veined with purple, broadly linear, crisped, much exceeding the sepals ; 

 filaments of long stamens united; pods divergent-descending to pendent, rarely erect, glabrous, 

 stout, subterete, or slightly flattened, 5-10 cm. long; style about 1 mm. long. 



Upper and Lower Sonoran Zones; Madera and San Luis Obispo Counties to Saugus, Los Angeles County, 

 California. Type locality: "southern California." March-May. 



7. Caulanthus Lemmonii S. Wats. Lemmon's Caulanthus. Fig. 1962. 



Caulanthus Lemmonii S. Wats. Proc. Amer. Acad. 23: 261. 1888. 

 Streptanthus Parryi Greene, Fl. Fran. 257. 1891. 

 Streptanthus Lemmonii Jepson, Man. Fl. PI. Calif. 416. 1925. 

 Streptanthus Coulteri var. Lemmonii Jepson, Fl. Calif. 2: 27. 1936. 



Annual, pilose on the lower leaves and towards the base of the stem, otherwise glabrous and 

 glaucous, the stem erect, 2-8 dm. high. Leaves sessile, auriculate-clasping, dentate, denticulate 

 or entire] 2-10 cm. long ; inflorescence racemose ; pedicels frequently hispid, at length 10-20 mm. 

 long, ascending in the bud, reflexed in anthesis and curved sharply upwards in fruit; sepals 

 dark purple in the bud, fading to flesh color in anthesis, unequal, 7-15 mm. long ; petals well 

 exserted, crisped, white with dark purple veins; filaments of long stamens united; pods erect, 

 glabrous, subterete or slightly compressed, 8-13 cm. long, 2-3 mm. wide. 



Dry hillsides, Upper Sonoran Zone; Monterey and San Luis Obispo Counties, California. Type locality: 

 near Cholame, San Luis Obispo County. March-May. 



8. Caulanthus inflatus S. Wats. Squaw Cabbage. Desert Candle. Fig. 1963. 



Caulanthus inflatus S. Wats. Proc. Amer. Acad. 17: 364. 1882. 

 Streptanthus inflatus Greene, Fl. Fran. 257. 1891. 



Annual, glabrous or sparingly hirsute near the base, the stem erect, stout, mostly unbranched, 

 becoming strongly inflated upwards, hollow, 3-6 dm. high. Stem leaves ovate to oblong, mostly 

 acute, entire, 3-7 cm. long; inflorescence racemose, pedicels stout, more or less villous, ascend- 

 ing, about 3 mm. long; sepals purple in the bud, in flower white with purple tips, glabrous, 

 slightly saccate, 8-10 mm. long ; petals white, broadly linear, crisped near the apex, little exceed- 

 ing the sepals; filaments of longer pair of stamens coherent; pods 6-10 cm. long, erect or 

 ascending ; stigma deeply 2-lobed. 



Sandy or gravelly soils, Sonoran Zones; Inner Coast Ranges, Monterey County and southern edges of San 

 Joaquin Valley to the Mojave Desert, California, and southwestern Nevada. Type locality: Mojave Desert, 

 California. March-May. 



9. Caulanthus major (M. E. Jones) Payson. Slender Wild Cabbage. Fig. 1964. 



Caulanthus crassicaulis var. major M. E. Jones, Proc. Calif. Acad. III. 5: 623. 1895. 

 Caulanthus major Payson, Ann. Mo. Bot. Gard. 9: 291. 1923. 

 Streptanthus major Jepson, Man. Fl. PI. Calif. 415. 1925. 



Short-lived perennials, glabrous and glaucous throughout, the stems erect, simple or spar- 

 ingly branched, hollow, rarely slightly inflated, 4-9 cm. high. Leaves oblanceolate in outline, 

 entire, lyrate or runcinate, 5-15 cm. long, narrowed to a slender petiole; upper leaves much 

 reduced ; inflorescence racemose ; pedicels very stout, ascending, 3-5 mm. long ; sepals purple or 

 yellowish tipped with purple, not saccate, 7-10 mm. long; petals purplish, broadly linear or 

 with slightly dilated crisped blades, about twice as long as the sepals; pods erect or ascending, 

 stout, 8-13 mm. long. 



Dry slopes and washes, Lower Sonoran Zone; desert slopes of the San Gabriel and San Bernardino Moun- 

 tains, southern California, to southern Utah. Type locality: Mojave Desert, California. June-July. 



10. Caulanthus Hallii Payson. Hall's Caulanthus. Fig. 1965. 



Caulanthus Hallii Payson, Ann. Mo. Bot. Gard. 9: 290. 1923. 

 Streptanthus Hallii Jepson, Fl. Calif. 2: 23. 1936. 



Annual, sparingly hispid on the leaves and pedicels, the stem glabrous, somewhat glaucous, 

 with a tendency to become inflated, erect, 5-8 dm. high. Stem leaves 4-16 cm. long, irregularly 

 and deeply laciniate-pinnatifid or dentate with few coarse lobes; inflorescence lax, racemose; 

 pedicels widely divergent, 6-18 mm. long; sepals yellowish, hispid-hirsute, not saccate, 6 mm. 

 long ; petals yellow, narrowly spatulate, about 9 mm. long ; filaments distinct ; pods terete, 

 divaricate, glabrous, 7-11 cm. long; style 1.5-2 mm. long. 



Washes and desert slopes, Upper Sonoran Zone; western edges of the Colorado Desert from the Little 

 San Bernardino Mountains to San Felipe, California. Type locality: Coyote Canyon, El Toro Mountain, 

 California. April-May. 



11. Caulanthus crassicaulis (Torr.) S. Wats. Wild Cabbage. Fig. 1966. 



Streptanthus crassicaulis Torr. in Stansbury's Exp. 383. pi. 1. 1852. 

 Caulanthus crassicaulis S. Wats. Bot. King Expl. 27. 1871. 

 Caulanthus senilis Heller, Muhlenbergia 8: 137. pi. 16. 1913. 



Short-lived perennial, glabrous and glaucous, the stems erect, unbranched, stout, more or 

 less inflated, 3-10 dm. high. Basal leaves rosulate, primary basal leaves oblanceolate, subentire 

 or sinuate-dentate, 3-5 cm. long, the secondary and lowermost stem leaves deeply and irregu- 

 larly lyrate or runcinate, 5-15 cm. long; upper leaves reduced; inflorescence racemose; pedicels 

 very stout, 3-5 mm. long, more or less hirsute; sepals purplish, densely hirsute, not saccate, 



