( 467 ) 
Specimens examined: Mohave Desert, Pringle, May 24, 1882; 
San Felipe, Antisell; Lancaster, Elmer 3621; eastern base of 
San Jacinto Mountain, Hall 2108; Barstow Hills, Hall 61509; 
Palmdale, Abrams &§ McGregor 513; Willow Springs, Abrams & 
McGregor 423. 
5. STENOTOPSIS. 
Leaves thin, mostly 4-5 cm. long; involucral bracts over 1 cm. long; achenes 
5 mm. long. 1. S. lineartfolius. 
Leaves coriaceous, glutinous, less than 2 mm. long; involucral bracts less 
than 1cm.long; achenes 3.5 mm. long. 2. S. interior. 
1. STENOTOPSIS LINEARIFOLIUS (DC.) Rydb. Bull. Torrey 
Club 27? 6974 “1900. 
Aplopappus linearifolius DC. Prod. 5: 347. 1836. 
Stenotus linearifolius Torr. & Gray, Fl. N. Am. 2: 238. 1842. 
Type locality: “In California.” 
Distribution: Foothills of the Coast Ranges from Sonoma 
County, southward to northern Lower California, and also on the 
western slope of the Sierra Nevada (Marysville Buttes, Heller 
5558). Upper Sonoran. 
Specimens examined: Cajon Pass, Orcutt, 1883; vicinity of 
San Bernardino, Wright, 1881; Coahuilla Hills, Riverside County, 
altitude 900 meters, Hall 2902; Potrero, Abrams 3540. 
2. STENOTOPSIS INTERIOR (Coville) Rydb. Buli. Torrey 
Club 27: 617. 1900. 
Aplopappus interior Coville, Proc. Biol. Soc. Wash. 7: 65. 1892. 
Stenotus interior Greene, Erythea 2: 72. 1894. 
Stenotus lineartfolius interior Hall, Univ. Calif. Pub. Bot. 3: 48. 
1907. 
Type locality: “About 4 miles southeast from Mill Canyon 
Divide, at the northern edge of the Darwin Mesa, Inyo County, 
California.” 
Distribution: On the western borders of the Mohave and Colo- 
rado Deserts, eastward to Arizona and southern Utah. Lower 
Sonoran. 
Specimens examined: Mountains Springs, Vasey 260; Jacumba 
Hot Spring, 4brams 3647; Mount Pinos, Elmer 3993; near Cuddy’s 
ranch, Ventura County, Dudley 4506; Seymons Creek, Mount Pinos, 
