22 University of California Publicalions. [BOTANY 



inserted in the upper part of the tube, nearly equalling the 

 lobes, anthers oval, blue; stigma included. 



Valleys of central and Southern California, and on Santa 

 Catalina Island. "Hybridizing with N. viscidula and N. pubes- 

 cens in the San Joaquin Valley" (Greene). 



21. Navarretia foliacea Greene. 



Annual; leaves very broad, foliaceous, not coriaceous but 

 very rigid, pinnae not wholly spinescent but herbaceous at the 

 base; corollas white, small. 



Monterey Co. to San Diego Co. Claremont, Los Angeles Co., 

 H. P. Chandler. Clay soil, mesas, San Bernardino Co., S. B. 

 Parish. Witch Creek, San Diego Co., R. D. Alderson. 



22. Navarretia hamata Greene. 



Annual, four to eight inches high, rather slender and diffusely 

 branching, very rigid, glandular-pubescent, "aromatic" (Greene) ; 

 leaves mostly with nearly linear rachis and several spiuose teeth, 

 the upper three teeth more or less recurved, the terminal one 

 often hooked, bracts broad, foliaceous, and spinescent-lobed; 

 flowers in many small terminal clusters and few smaller 

 axillary ones; calyx segments erect, spinose- tipped, one or two 

 with a few teeth; corolla five to six lines long, salverform, narrow 

 tube considerably exserted, lobes one and one-half lines long, the 

 whole deep purple and proportionately large ; stamens and stigma 

 included in the tube; capsule globular, small, not smooth, seeds 

 about twelve, minute, angular. 



Monterey Co. to San Diego Co. Monterey Co. , H . P. jUhandler, 

 No. 378. 



GILIA, Ruiz & PA VON. 



Leaves mostly alternate, either entire or pinnately lobed, or 

 toothed; calyx split by the mature capsule even when somewhat 

 accrescent, scarious below the sinuses, segments equal; corolla 

 not strictly salverform; stamens equally inserted. 



This genus is more variable than the others in general habit 

 and there are exceptions to many of the characters, such as the 

 alternate leaves, the equality of the insertion of the stamens, and, 



