344 MISC. PUBLICATION 42 3, U. S. DEPT. OF AGRICULTURE 



base and the valves of the pod separating completely from the partition 

 at maturity. 



2. Caulanthus crassicaulis (Torr.) S. Wats, in King, Geol. Expl. 40th 

 Par. 5: 27. 1871. 



Streptanthus crassicaulis Torr. in Stansb., Expl. Great Salt Lake 

 383. 1852. 



Kaibab Plateau, Coconino County (Plumb 251), Navajo Mountain, 

 Coconino County, 6,300 feet (Peebles and Smith 13923), May to June. 

 Idaho to northern Arizona and California. 



Squaw-cabbage, so called because the plant was cooked and eaten 

 by Indians of the Great Basin region. 



Caulanthus sulfureus Payson was based on a collection near Tucson, Pima 

 County (Griffiths 4058) . The type seems to be an immature specimen of Brassica 

 campestris. 



7. STREPTANTHELLA 



Plant annual or biennial, glabrous, usually glaucous; stems slender, 

 simple or sparingly branched; stem leaves linear-lanceolate, narrowed 

 at base; flowers small, the petals with crisped or channeled blades little 

 wider than the claws; pods conspicuously beaked, becoming reflexed, 

 somewhat flattened, the valves at maturity not separating toward the 

 apex; seeds winged. 



1. Streptanthella longirostris (S. Wats.) Rydb., Fl. Rocky Mount. 

 364. 1917. 



Arabis longirostris S. Wats, in King, Geol. Expl. 40th Par. 5: 



17. 1871. 

 Streptanthus longirostris S. Wats., Amer. Acad. Arts and Sci. 



Proc, 25: 127. 1890. 



Near Navajo Mountain, Coconino County, 6,900 feet (Peebles and 

 Smith 13911), and common in Mohave, western Pima, and Yuma 

 Counties, 3,000 feet or lower, usually in sandy soil, March to April. 

 Wyoming to Oregon, New Mexico, Arizona, and California. 



A collection near Dome, Yuma County, has been referred to var. 

 derelicta J. T. Howell, a variety described as being nonglaucous 

 and having pinnately parted leaves. 



8. STANLEYELLA 



Plant biennial, glabrous; stems tall (often 2 m. or more), branched; 

 blades of the lower leaves coarsely toothed or pinnatifid, the blades of 

 the upper leaves entire; racemes many-flowered, dense at first; sepals 

 at anthesis spreading or reflexed ; petals white ; pods long, very slender, 

 terete or nearly so, short-stipitate. 



1. Stanleyella wrightii (Gray) Rydb., Torrey Bot. Club Bui. 34: 435. 



1907. 



Thelypodium wrightii A. Gray, PI. Wright. 1 : 7. 1852. 



Coconino and Mohave Counties to Cochise, Gila, Pinal, and Pima 

 Counties, 3,000 to 7,000 feet, rich soil among pines and chaparral, 

 June to August. Colorado, Utah, New Mexico, and Arizona. 



A conspicuous plant because of the tall stems and numerous racemes 

 of white flowers. 



