22 



NATUBAL IHSTOEV OF PLANT.S. 



thus formed, contains tliree or foiu- herbaceous species^ natives of the 

 "Western districts of North America, principally California. The leaves 

 are alternate, exstipulate, pinnatisect, glabrous, like the whole plant, 

 and the flowers- are axillary and solitary. By the complete in- 

 dependence of the carpels these plants are to the series which follow, 

 nearly what the Biehcrsteincw with independent carpels are to the 

 Geraniums. 



SOEEEL SEEIES (FE., Surclk) 

 In the Sorrels'' (fig. 55-08) the flowers are regular and herma- 



OxaVts crenata. 



Fig. 50. Flower without perianth. ( ' °) . Fig. 55. Foliaceous branch. Fig. 57. Long. sect, of flower. 



phrodite, with a convex receptacle. The calyx is com^josed of five 



1 Endl. Atak-I. t. 27.— Don, in Swirl Ft. 4G7 ; Ann. ii. 230. 



Gard. ii. t. 37S. — Benth. in Hort. Trans, ser. i. ^ White, tinted with yellow towards the claws, 



409. — Li.NDL. in Journ. Hort. Sue. iv. 78. — V. or [linlc. 



'HoviTY, Fl. de.s Scrrcx,\. 4316. — Wklv. Itcp.i. ■' U.iulis L. Oeii. n. 582. — J. Gin. 270; in 



