ONAGRACE^. 



41 



EULOBUS. 



CEnothera leptocarpa, in Bay-Reg. Bot. t is 

 Eulobus Californica. Southern Coast. 



CENOTHERA. 



CE. Hookeri, T. & G. Biennial: stem red, stout, 

 angular, 3-6 feet high: petals nearly 1^ inches long, 

 obcordate, pale yellow turning to rose color. Com- 

 mon in the southern counties. Probably a variety 

 of OS, biennis. 



CE. grandiflora, Ait. Differing from (E. biennis 

 by its larger, almost scentless flowers, declined 

 stamens, stigma lobes yellow, not green. This may 

 be considered the cultivated form of (E. liennis. 



CE. arguta, Greene. Perennial, stems slender, 

 about a foot high: leaves linear-lanceolate, dentate, 

 2-4 inches long, sessile: calyx tube 1^ inches long: 

 petals as long, deeply obcordate, bright yellow 

 turuing to orange. Moist ground near Monterey 

 and southward. 



(E. nitida, Greene ( 3). Decumbent branches, 

 a foot long or less, very rigid: leaves spatulate or 

 oblanceolate, rather fleshy, dark, lustrous green: 

 petals 6 lines long: anthers linear-oblong, fixed, al- 

 most in the middle: capsule 10 lines long, acutely 

 angled. Monterey Bay, Abbott. 



CE. hirtella, Greene ( 3). Erect, simple, or 

 branches from the base, 6-10 inches high, purplish, 

 short hairy: radical leaves, oblanceolate, denticu- 

 late, 1| inches long: stem leaves ovate, sessile, \ 

 inch long, coarsely toothed and more or less crisped: 

 petals a line long or more: capsule hairy, attenuate 

 upward, once or twice coiled. Interior hills. 



CE. spiralis, in Bay-Reg. Bot., is CE. cheiran- 

 thifolia and (E. campestris is CE. dentata. CE. 

 gaureefolia has white or pink flowers half an inch 

 broad. 



CEnothera ovata. 

 S Surface of ground, 

 r Rootstock. 



