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



soft pubescence : heads short-peduncled in a terminal cyme : rays 

 50 to 60 : achenes glabrous or nearly so. A seashore form, gath- 

 ered in northern Santa Barbara Co. by Mrs. Blockman (ace. to 

 Greene) and by Miss Eastwood (no. 784). 



9. E. striatus Greene, Bull. So. Calif. Acad. i. 39 (1902). 

 Three to 9 dm. high : stems erect, bright green, striate, cym- 



osely branched at summit : herbage glabrous throughout except 

 the margins of the leaves, these somewhat scabrous: leaves 

 oblong-linear, obtuse, about 4 cm. long : rays numerous, narrow, 

 deep violet: achenes sparsely strigulose or almost glabrous, the 

 margins not prominently thickened: outer pappus of a very few 

 short bristles. 



Houston -Flat, in the Transition Zone of the San Bernardino 

 Mts., Dr. W. R. Shaw; not seen by me. 



10. E. Philadelphicus L., Sp. PL 863 (1753). SKEVISH. 

 Plant biennial or perennial from creeping rootstocks, 5 to 9 



dm. high, branched only toward the summit: herbage short-his- 

 pid: leaves spatulate or oblong, serrate or coarsely few-toothed; 

 the radical 10 to 15 cm. long (including the long margined 

 petiole) ; the cauline smaller, with auriculate-clasping base, 

 passing above into reduced ovate or lanceolate and commonly 

 entire acute leaves of the inflorescence : rays white or pink, fili- 

 form, very numerous, about 6 mm. long : pappus simple. 



Along streams and in springy places throughout the Upper 

 Sonoran and Lower Transition zones of our district, but not very 

 common; widely distributed in North America. 



11. E. incomptus Gray, Syn. Fl. i. pt. 2, 218 (1884). 



Slender, erect, branched from the base, 3 to 7 dm. high : her- 

 bage somewhat hirsute : leaves narrowly linear or the lower nar- 

 rowly spatulate, 7 cm. or less long, less than 5 mm. wide, mostly 

 entire: involucre 4 or 5 mm. high: rays minute, bluish or 

 purplish : pappus in two series. 



Carysito, Lower California, Orcutt, no. 874 ; Tia Juana River, 

 San Diego Co., Miss Stokes. 



12. E. divergens T. & G., Fl. ii. 175 (1841). 



Stems several or numerous, ascending, from a stout taproot, 

 sometimes decumbent at base: herbage roughened with a short 



