( 466) 
These species are scarcely more than suffrutescent, and probably 
could be excluded with equa! propriety. 
I. GUTIERREZIA LuciIDA Greene, FI. Franc. 361. 1897. 
Xanthocephalum lucidum Greene, Pittonia 2: 282. 1892. 
Type locality: “In the region of the Mohave Desert, and south- 
ward,” 
Distribution: Dry gravelly hillsides in the Mohave Desert. 
Lower Sonoran. 
Specimens examined: Between Mohave and Rosemond, Abrams 
&F McGregor 500. 
z. GUTIERREZIA DIVERGENS Greene, Pittonia 4: 58. 1899. 
Type locality: “San Bernardino mesas.”’ 
Distribution: Dry mesas and foothills in the coastal region of 
southern California. Upper and Lower Sonoran. 
Specimens examined: Los Angeles, Nevin, 1879; Brandegee; 
San Gabriel Canyon, Abrams 2720; Los Angeles, Gambel; Tia 
Juana, Herre, Aug. 8, 1902; vicinity of San Bernardino, Parish 5151; 
El Toro, Abrams 1858; Santiago Canyon, Santa Ana Mountains, 
Helen D. Geis 573; Alpine, San Diego County, Mearns 30997. 
3. GUTIERREZIA BRACTEATA Abrams, Bull. Torrey Club 34: 
265. 1907. 
Gutierrezia californica bracteata Hall, Univ. Calif. Pub. Bot. 3: 36. 
1907. 
Gutierrezia laricina Greene, Rep. Nov. Spec. 7: 195. 9. 
Type locality: “Desert slopes of San Bernardino County, be- 
tween Banning and Seven Palms.” 
Distribution: Dry sandy soil on the western border of the 
Colorado Desert. Lower Sonoran. 
Specimens examined: Between Banning and Seven Palms, 
Orcutt, Nov. 1889. 
4. ACAMTOPAPPUS. 
1. ACAMTOPAPPUS SPHAEROCEPHALUS Harv. & Gray; A. Gray, 
Pl. Fendl. 76. 1849. 
Type locality: “California.” First collected by Coulter. 
Distribution: In the covillea belt of the Colorado and Mohave 
Deserts, eastward to Arizona and southern Utah. Lower Sonoran. 
