246 Standlcy — The American Specie* of Fagonia. 



times woody at the base; petioles 4 to 10 mm. long; stipules stout, rigid, 

 spinescent, densely glandular, one-third to one-half as long as the petioles; 

 leaflets five, nearly linear, the principal ones of each leaf 3 to 10 mm. 

 long, spinescent tipped; pedicels :\ to 5 nun. long, equaling or shorter 

 than the fruit ; sepals oblong or oblong-lanceolate, acute, 4 or 5 mm. long; 

 petals pinkish, 6 to 8 mm. long; fruit minutely pubescent and glandular, 

 the beak about 3 mm. long. 



Specimens examined: Lower California : Santa Rosalia, 1889, Palmer 

 I'll'.), type; San Francisquito Bay, April ( .», 1911, Rose 16,729; Tiburon 

 Island. April 11, 1911, Rose 1.6,779. 



The species is one of the most distinct of the entire genus. No other is 

 known to have more than three leaflets. Its range, so far as known, 

 does not extend beyond Tiburon Island in the Gulf of California, and the 

 middle part of the east coast of Lower California. 



3. Fagonia viscosa Rydb. N. Amer. Fl. 25 2 : 104. 1910. 



Fagonia californica glutinosa Vail, Bull. Torrey Club 22 : 220. 1895. 

 Not F. glutinosa Delile, 1813. 



Type locality, " Sonora, Mexico." Type collected by C. G. Pringle 

 in ISS4. 



Stems stout, densely covered with large, yellowish glands, glabrate in 

 age; petioles stout, 4 to 10 nun. long, glabrous; stipules thick, rigid, 

 glabrous or sparingly glandular, much shorter than or even equaling the 

 petioles; leaflets 3, 8 to 15 mm. long, 3 to S mm. wide, the terminal one 

 rhombic-obovate to oblanceolate, the lateral ones lanceolate and oblique, 

 spinulose tipped, glabrous, thick and fleshy; pedicels stout, ."> to 5 mm. 

 long, glandular; sepals oblong or oblong-lanceolate, acute; petals purple, 

 6 to 8 nun. long; peduncles 3 to 5 mm. long, shorter than the fruit; this 

 strigillose and glandular, the beak 1.5 to 2 mm. long. 



Specimens examined: California: Southwestern part of the Colorado 

 Desert, San Diego County, April. 1887, Orcutt; Signal Mountain, April 

 2, 1903, Abrams, .".158. 



Lower California : Santa Rosalia, 1889, Palmer 180; Los Angeles Bay, 

 1887, Palmer 546a; Signal Mountain, May 6, 1894, L. Schoenfeldt 2950. 



4. Fagonia pachyacantha Rydb. X. Amer. Fl. 25 2 : 105. 1910. 



Type locality, " Lower California." Type in the New York Botanical 

 Garden, collected by Leon Diquet. 



An undershrub, 3 to 6 dm. high ; branches yellowish or straw-colored, 

 viscid, with glandular hairs, striate and somewhat angled ; stipules stout, 

 subulate, 6 to 10 mm. long, spreading or somewhat reflexed, longer than 

 the petioles; petioles 5 to 8 mm. long, spreading; leaflets 3, linear, 8 to 

 15 mm. long, about 1 mm. wide, thick, glandular; peduncles 3 to 5 mm. 

 long; sepals ovate-lanceolate, 3 mm. long, with very short spinulose tips; 

 petals rose-purple, (i to 8 mm. long; blades obovate-spatulate ; fruit 5 

 mm. long, reticulate, pubescent, the hairs with thickened bases; beak 

 about 2 mm. long. 



