162 Papaveraeeae 



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 placentas, 

 dehiscenl by only as many shorl teeth or valves at the 

 summit. 



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

 pubescent below, 3-<i dm. high, simple or brandling; leaves 

 somewbat succulent, pinnately parted or divided, mostly petioled ; 

 peduncles slender; petals 1-2 cm. long, brick-red; capsule tur-' 

 lunate to obovate, dehiscent by 8 operculate lids. 



Frequent in shady places in the foothills and mountains below -lOOO feet 

 altitude. March-April. 



7. ARGEMONE L. 



Setose and spinulose-dentate chiefly annual herbs 

 with orange-yellow and acrid juice and sinuate or pinnat- 



itid leaves. Sepals with eornute tip or appendage below 

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

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



stigmas oval, somewhat radiate ami united on the sum- 

 mit of the very short obsolete style. 



1. A. platyceras hispida (Gray) Prain. Stem erect, simple 

 or rarely branching, 3-6 dm. high, hispid throughout and more 

 or less armed with rigid bristles or prickles ; leaves 6-10 cm. long, 

 the lower narrowed to a winged petiole, the upper sessile ; tiosvers 

 white, 5-8 cm. broad; capsule oblong, 3 cm. long, very prickly; 

 seeds 2 mm. in diameter. 



Occasional in dry exposed slopes or dry canyon Moors in all our mountains. 

 June-August. 



8. PAP AVER L. 



Annual or perennial herbs with narcotic juice milky 

 or rarely turning yellow, mostly pinnately Lobed or dis- 

 sected leaves and showy flowers solitary on long pedun- 

 cles. Sepals 2. Petals 1. Staiinns numerous. Ovary 

 .•lipped by tie- closely sessile circular Hat or somewhat 



