[Vol. 9 



288 ANNALS OF THE MISSOURI BOTANICAL GARDEN 



Distribution: southern California. Type: Lemmon from the 

 Mojave Desert. 



Specimens examined: 



California: Mojave Desert, Davidson (Univ. Calif. Herb.); 

 Mojave Desert, May 25, 1882, Pringle (Mo. Bot. Card. Herb.); 



Fremont's Peak, Mojave Desert, May G, 190G, Hall & Chandler 

 68G2 (Univ. Calif. Herb.); Sunset, Kern County, April 20, 1002, 

 Heller 772/,. (Univ. Calif. Herb, and Mo. Bot. Gard. Herb.); 

 Randsburg, Kern County, April 14, 1905, Heller 7702 (Univ. 

 Calif. Herb, and Mo. Bot. Gard. Herb.) ; Mojave Station, March 

 15, 1889, Hasse (Mo. Bot. Gard. Herb.); Antelope Valley, 1895, 

 Davidson (Univ. Calif. Herb.) ; near Rosamond, Antelope Val- 

 ley, May 9-24, 1S96, Davy 2272 (Univ. Calif. Herb.) ; Lancaster, 

 June, Davidson (Univ. Calif. Herb.); Bakersfield, April 4, 1893, 

 Eastwood (Univ. Calif. Herb.); Zapato Chino Creek, March 

 25-26, 1893, Brandegee (Univ. Calif. Herb.). 



4. C. glaucusWats. Proc. Am. Acad. 17: 3G4. 18S2; Robinson 

 in Gray, Syn. Fl. N. Am. I 1 : 173. 1895. 



Duration of root unknown, plant glabrous and glaucous 

 throughout: stem erect, simple or sparingly branched, frequently 

 flexuous below, rather stout, 3-8 dm. high: radical leaves not cer- 

 tainly known; lowermost stem-leaves rather thick, entire or re- 

 pand, blade ovate or broadly elliptical, obtuse, 3.5-7 cm. long, 

 abruptly narrowed to a petiole 2-4 cm. long; upper stem-leaves 

 reduced, narrowly lanceolate: sepals greenish or purplish, narrow, 

 not saccate at the base, nearly equal, 8-1 mm. long, with a very 

 narrow scarious margin; petals greenish, broadly linear, recurved 

 at the apex, about 1.5 cm. long; filaments linear, slender, nearly 

 equal, 5-7 mm. long, anthers barely apiculate, 4-5 mm. long: 

 inflorescence racemose ; pedicels slender, 7-15 mm. long, enlarged 

 at the apex : pods widely divaricate, frequently arcuate, 6 -8 cm. 

 long, rather slender, subsessile; style nearly obsolete, stigma en- 

 larged, deeply 2-lobed: cotyledons obliquely accumbent in the 

 seed. 



Distribution: southwestern Nevada and adjacent California. 

 Type: Shockley from Candelaria, Esmeralda County, Nevada. 



Specimens examined: 



Nevada: Tonopah, April 24, 1907, Jones (Mo. Bot. Gard. 

 Herb.) ; Gold Mountain, May-Oct., 1898, Purpus 5974 (Univ. 

 Calif. Herb.); Candelaria, Esmeralda County, May, Shockley 19 



