( 352) 
McGregor 324; Rock Creek, desert slope of the San Gabriel Moun- 
tains, Abrams &F McGregor 540. 
4. ERI0GONUM TAXIFOLIUM Greene, Pittonia 1: 267. 1889. 
Eriogonum Wrightwi taxifolium Parish, Erythea 6: 87. 1898. 
Type locality: Cedros Island, “from a canyon on the eastern 
side, four miles below the northern end.” 
Distribution: San Jacinto Mountains southward to Cedros 
Island. Upper and Lower Sonoran. 
Specimens examined: Cuiamaca Mountains, Parry 1850; Allen, 
1897; Miss Stokes, Aug. 4, 1899; Jacumba Hot Spring (Larkens), 
Palmer 343; near Warner ranch, Hayes, Oct. 10, 1858; open pine 
forests in the vicinity of Strawberry Valley, San Jacinto Moun- 
tains, altitude 1700-2000 meters, Hall 2608; Hemet Valley, 
Hall 755. 
5. Er10oGoNUM NoposuM Small, Bull. Torr. Bot. Club 25: 48. 
1898. 
Type locality: “In dry soil, Don Cabesas, California.” 
Distribution: A desert species, known only from the original 
collection. Lower Sonoran. 
6. Erroconum Piumatetia Dur. & Hilg. Pacif. R. Rep. 5: 14, 
Pl EO. VOTRE: 
Eriogonum Palmeri S. Wats. Proc. Am. Acad. 12: 267. 1877. 
Type locality: ‘“‘Posa Creek,” Kern County, California. 
Distribution: Mohave Desert of southern California eastward 
to southern Utah. In southern California this species is charac- 
teristic of the yucca belt. Lower Sonoran. 
Specimens examined: Desert slope of the Tehachapi Moun- 
tains between Tehachapi and Mohave, Abrams &¥ McGregor 407; 
Palmdale, Abrams & McGregor 515; Rock Creek, edge of Mohave 
Desert, Davidson, Aug. 1, 1901; Mohave River, near the Hesperia, 
Abrams 2165. 
7. ErroconuM Heermanni Dur. & Hilg. Pacif. R. Rep. 5: 14, pl. 
17. ¢ 1855. 
Type locality: “Rose Creek,”’ California. 
Distribution: Western Nevada southward through the Pinon 
belt to Mount Pinos. Upper Sonoran. 
