PAPAVERACEAE. 147 



1. E. califomica Cham. Root perennial, thick and branching; 

 stems branching, decumbent or ascending, leafy; herbage glabrous; 

 calyx about 2 cm. long, conical; petals flabelliform, 4 cm. long or 

 less, usually orange, sometimes paler; rim of torus expanded, 2-4 

 mm. wide; seeds reticulated. 



Not common within our limits. Sierra Madre; San Fernando 

 Mountains near Chatsworth Park. March-May. 



2. E. peninsularis Greene. Annual, smooth and rather glaucous; 

 scapose or at length freely branching, 10-25 cm. high; petals golden 

 yellow or orange, flabelliform or broadly cuneate, 4 cm. long or less; 

 rim of torus expanded, 2-4 mm. broad; seeds reticulated. 



Common in sandy soil throughout our range in the valleys. 

 March-May. 



3. E. hypecoides Benth. Scabrous or hirsute, pubescent below, 

 glabrous above, glaucescent; branches many and rather slender 

 from an annual root, decumbent at base, about 30 cm. high or less, 

 leafy; leaf segments few, linear-cuneiform; calyx oblong-conic, 1 crn. 

 long; petals 2 cm. long or less, orange; torus short, tubular or turbi- 

 nate, without expanded rim to the outer margin, the inner erect, 

 hyaline; seeds faintly reticulated. 



Santa Monica Mountains, not common. 



6. MECONOPSIS Vigner. 



Ours slender erect leafy annuals, with orange-colored 

 juice and scarlet or orange-red flowers. Sepals 2. 

 Petals 4. Stamens numerous. Ovary and capsule 

 tipped with a style and with a globose mass of stigmas, 

 1 -celled and with 4-8 more or less intruded placentae, 

 dehiscent by only as many short teeth or valves at the 

 summit. 



1. M. heterophylla Benth. Glabrous or sparsely pilose-pubes- 

 cent below, 3-6 dm. high, simple or branching; leaves somewhat 

 succulent, pinnately parted or divided, mostly petioled; peduncles 

 slender; petals 1-2 cm. long, brick-red; capsule turbinate to obovate, 

 dehiscent by 8 operculate lids. 



Frequent in shady places in the foothills and mountains below 

 4000 feet altitude. March-April. 



7. ARGEMONE L. 



Setose and spinulose-denta;te chiefly annual herbs, 

 with orange-yellow and acrid juice, and sinuate or pin- 

 natifid leaves. Sepals with cornute tip or appendage 

 below the apex. Petals 4 or 6. Stamens numerous. 

 Ovary densely setose, 1 -celled, with 4-5 nerviform 

 placentae, stigmas oval, somewhat radiate and united 

 on the summit of the very short obsolete style. 



