14 University of California Publications. [BOTANY 



tube yellow, lobes purple; stamens inserted at the sinuses equal- 

 ling or slightly exceeding the lobes, anthers oval, large in 

 proportion to the flower; pistil about equalling the stamens. 



Downey, Southern California, A. Davidson. N. involucrata 

 R. and P. is the South American type, and analogue of N. pros- 

 trata, according to Greene. 



2. Navarretia leucocephala Benth. Gilia leucocephala Gray. 



Annual, about a span high, simple or branched, glabrous, 

 stems shiny- white; leaves lax, in delicate forms an inch or less 

 long, in more robust forms three and one-half inches, once or 

 twice pinnatifid; inflorescence of terminal heads, the primary one 

 sessile; calyx two to three lines long, slender, lobes acerose, 

 slightly unequal, entire, pungent tips almost awn-like; corolla 

 white, tube very slender, included, limb comparatively broad, 

 lobes nearly two lines long; stamens inserted at or near the 

 sinuses, exserted anthers oblong; pistil much exserted. 



Fresno Co. Mariposa Co. Amador Co. Butte Co., Mrs. C. C. 

 Bruce. Lake Co. Solano Co., W. L. Jepson. Mendocino Co. 



'3. Navarretia minima Nutt. Gilia minima Gray. 



Annual, three inches high or less, often broader than high, 

 finely puberulent to glabrous; leaves few, linear, entire or with 

 few divisions; bracts as long as the leaves, and exceeding the small 

 heads of flowers, more or less rigid; flowers white, minute; calyx 

 tube five-angled, distinct, cylindrical, with firm distended 

 hyaline spaces, lobes shorter than the tube, spinescent, three 

 of them two to three parted, and longer than the other two. 



Monterey Co. Placer Co., A. M. Carpenter. Sierra Valley, 

 northern California. Eagle Lake, Lassen Co., M. S. Baker and 

 F. Nutting. 



4. Navarretia cotulaefolia Hook, and Arn. Aegocliloa cotulae- 

 folia Benth. Gilia cotulaefolia Steudel, also Gray exclud- 

 ing N. pubescens. 



Annual, four to fourteen inches high, simple or branching, 

 quite robust, puberulent; calyx somewhat ciliate; leaves an inch 

 or two long, lax, twice pinnatifid, pinnae many, with short cus- 

 pidate tips ; outer floral bracts exceeding the inflorescence which 



