186 University of California Publications in Botany. [VOL. 3 



except near the apex where they are cleft into 3 to 5 short linear 

 lobes. With the ordinary form and in the mountains to at least 

 2000 m. alt 



Var. laxiflorum Gray, 1. c. Leaves as in the species : heads 

 more loosely cymose, the peduncles being mostly 5 to 10 cm. long. 

 Also with the species; an uncommon form. 



Var. discoideum Greene, Fl. Fr. 443 (1897). Stems more 

 leafy: heads large, in congested cymes, destitute of rays. First 

 known from Sonoma Co. ; since collected by Miss Alice King at 

 Arroyo Grande, San Luis Obispo Co., and by Mrs. C. M. Wilder 

 in the San Antonio Mts. at altitudes of 2100 to 2400 m., no. 594. 

 In Mrs. Wilder 's specimens the leaves are palmately trifid and 

 the involucres 6 mm. high. 



Var. latum Hall, var. nov. Leaves broadly spatulate or ob- 

 ovate (7 to 14 mm. wide), with few very blunt and short lobes 

 or the upper entire : heads mostly on evident peduncles : rays 

 present. Plains near Riverside, E. L. Koethen, no. 20 (type). 

 Specimens collected at San Bernardino by 8. B. & W. F. Parish. 

 May, 1888, also belong here. 



10. E. lanatum obovatum (Greene) Hall, comb. nov. E. 

 obovatum Greene, Eryth. iii. 123 (1895), and iv. 67 (1896). 



Stems numerous, seldom branched, erect from a decumbent 

 base or strong perennial root, 2 or 3 dm. high, not woody, ter- 

 minated by solitary long-peduncled heads: herbage densely and 

 permanently tomentose : leaves obovate to narrowly lanceolate, 

 obtuse, either entire or the broader ones with several teeth or 

 lobes, mostly 2 cm. but the lower sometimes as much as 5 cm. 

 long: involucre 7 to 10 mm. high, its rigid acute bracts more or 

 less united at base : rays about 13, broad, 1 cm. long, deep yellow : 

 achenes glabrous or nearly so : pappus variable, usually of about 

 8 short obtuse erose paleae, some of these rarely elongated and 

 acute. 



Not uncommon in the Transition Zone of the San Bernardino 

 Mts. at 1200 to 2200 m. alt. : Wright, no. 1811 (type of E. obova- 

 tum 1 !); Parish, nos. 1086, 1451, 3344, 3714, 3716; Davidson; 

 Hall, nos. 1070, 1289.5 ; etc. 



In Mr. Wright's specimen and in some others the tomentum 

 has a greenish-yellow tinge, while in some cases it is dull white. 



