430 Helenieae 



heads about 3 cm. broad; bracts of the involucre joined into a 

 broad campanulate-toothed cup; achenes 4 mm. long. 



Occasional on grassy hills mostly toward the coast, especially on heavy 

 soils. Santa Monica Mountains, north slope; San Pedro Hills. 



50. ERIOPHYLLUM Lag. 



Annual or perennial floccose herbs or suffrutescent 

 plants, with entire or divided alternate leaves, and 

 mostly middle-sized heads of yellow flowers. Involucre 

 oblong to hemispheric, its bracts of firm texture and per- 

 manently erect. Rays usually few, short and broad. 

 Disk-flowers with slender tube, commonly glandular and 

 hairy. Style-branches truncate or obtuse. Achenes 

 clavate-linear to cuneate-oblong, mostly 4-angled. 

 Pappus of firm pointless palese. 



1. E. confertiflorum (DC.) Gray. Stems suffrutescent, 4-6 

 dm. high, usually branched from the woody base, with a close 

 dense, at length deciduous tomentum ; flowering branches leafy ; 

 leaves 1-4 cm. long, ternately or pinnately 3-7-parted into nar- 

 rowly linear divisions ; heads many in compact terminal clusters, 

 3-4 mm. high ; involucre obovoid-oblong, its bracts about 5, ovate ; 

 rays 4-5, 3-4 mm. long; palese 8-10, nearly equal, about half as 

 long as the achene. 



Common throughout the lower altitudes of the chaparral belt in all our 

 mountains and hills. March-August. 



51. ACTINOLEPIS DC. 



Small floccose-woolly simple or freely branching 

 annuals, with small heads of yellow flowers. Involucre 

 obovate or oblong, its bracts few, thinnish, sometimes 

 concave and partly embracing the achenes. Receptacle 

 convex or nearly flat. Ray-flowers few, broad and usu- 

 ally short. Achenes oblong subclavate and 4-angled. 

 Pappus composed of several scarious or somewhat opaque 

 paleaceous scales. 



1. A. Wallace! Gray. Diffusely branched or, when dwarfed, 

 simple, 4-8 cm. high, densely white-tomentose ; leaves alternate, 



