1981 



CLARKIA rhomboidea. 



Entlre-petalled Clarkia. 



OCTANDRIA MOIiOGyNU. 



Nat. ord. Onagrace* 



CLARKIA. Supr^, vol. ]3. fol. WOO. 



C. rhomboidea ; petalis integris rhomboideis. Douglas in Hooker Jl. boreali- 



amer. 1. 214. 

 C. gauroides. Hart. 



An annual, nearly destitute of pubescence, except upon 

 the ovary and other parts of the flower. Stem one to two 

 feet high. Leaves ovate, or linear oblong, shorter than the 

 internodes. Flowers on short stalks, axillary, shorter than 

 the leaves. Ovary slightly downy. Calyx 4-parted, reflexed, 

 pubescent ; with the segments longer than the tube, which 

 is smooth inside. Petals purple, rhomboidal, white, blotched 

 with purple near the, base, where they are dilated and 

 toothed. Disk epigynous, annular. Stameiis 8, alternately 

 smaller, each arising from the back of a roundish villous scale; 

 those opposite the petals the smallest, and destitute of 

 pollen. 



Found among some of the seed-papers sent from Norfti- 

 West America, by Mr. Douglas, on his last expedition, 

 and raised in the Garden of the Horticultural Society, where 

 it flowers in the middle of summer. 



This species is, botanically, very interesting, on account 

 of its flowers indicating the nearest approach yet known 



* See folio 1100. 



