1907] Hall.Compositae of Southern California. 213 



Stems leafy, at length much branched, the whole plant 1 to 3 

 dm. high: herbage glabrous, sweet-scented: heads short-pedun- 

 cled, 5 to 7 or 8 mm. high: involucral bracts broadly oblong or 

 the outer ones lanceolate, hardly half as long as the greenish- 

 yellow ovoid disk : pappus reduced to an obscure border. 



Common on low ground. Native of the Old World. 



2. M. occidentalis Greene, Bull. Calif. Acad. ii. 150 (1886) ; 

 K. Brandegee, Zoe ii. 76 (1891). 



Two to 6 dm. high, the stems either branching or simple below 

 the cymose summit: herbage not so strongly scented as in the 

 preceding : mature heads 8 to 12 or 14 mm. high : achenes sharply 

 angled, crowned by a broad margin which bears two approximate 

 lobes and is thus one-sided. 



San Jacinto, 1890, Mrs. Gregory; near San Bernardino (High- 

 lands), Parish, no. 3648; middle California. 



86. COTULAL. 



Low herbs with mostly alternate leaves. Flowers yellow. 

 Heads slender-peduncled, discoid, low-hemispheric. Bracts of 

 involucre greenish, nearly equal, in 1 or 2 ranks. Receptacle flat 

 or nearly so, naked. Outer series of flowers pistillate only. Disk- 

 flowers with 4-toothed corolla, perfect, fertile or infertile. Ma- 

 ture achenes raised on pedicels, in our species compressed and 

 spongy-margined or narrowly winged. Pappus none. 



Annual: leaves pinnately dissected: pistillate flowers in 2 or 3 rows 



.....1. C. australis. 



Perennial: leaves pinnatifid to entire, sheathing at base: pistillate flowers 

 in a single row 2. C. coronopifolia. 



1. C. australis (Sieb.) Hook f, Fl. Nov. Zel. 128 (1853). 

 Anacyclus australis Sieb., in Spreng., Syst. iii. 497 (1825-8). 



One-half to 2 dm. high, with slender branching stems : herbage 

 not succulent, sparsely pubescent with soft spreading hairs : leaves 

 once or twice pinnately dissected into linear lobes: heads 2 to 5 

 mm. broad: bracts of the involucre brownish-tipped and with 

 scarious edges : pistillate flowers in 2 or 3 rows, pediceled, apeta- 

 lous ; disk-flowers nearly or quite sessile : marginal achenes some- 



