224 



PAPAVERACEAE 



pilose. Leaves 5-8 cm. long, broadly linear, sessile or clasping; peduncles erect, 8-20 cm. long; 



sepals villous, forming spherical or oblong-ovoid buds ; petals 6-20 mm. long, cream-colored, 



sometimes yellow at the base ; carpels 6-25, forming an oblong head, beaked by the persistent 



styles. 



Valleys and foothills, especially in sandy soil, Upper Sonoran Zone; Coos County, Oregon, to northern Lower 

 California, east to Utah and Arizona. Type locality : California, collected by Douglas. March-June. 



Platystemon californicus var. crinitus Greene, Fl. Fran. 282. 1892. Peduncles, sepals and often the 

 leaves densely pilose; petals usually yellow. Tehachapi Mountains, California, southward along the desert slopes 

 to northern Lower California. 



Platystemon californicus var. horridulus (Greene) Jepson, Fl. Calif. 556. 1922. Petals nearly rotate- 

 spreading from a turbinate base, 6-8 mm. long; carpels usually densely covered with stiff hairs when young. 

 Foothills of the southern Sierra Nevada, California. 



Greene and later Fedde have proposed numerous segregates, the latter recognizing as many as 57 species, 

 but the characters relied upon are too trivial and inconstant for specific or even varietal segregation. 



1884 



1883. Platystemon californicus 



1884. Meconella linearis 



1885. Meconella oregana 



1886. Meconella denticulata 



1888 



1887. 

 1888. 



Meconella californica 

 Romneya Coulteri 



