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Muhleubergia, Volume 6 



Lupixus sellulus Kellogg', Proc. Cal. Acad. 5: 36. 1873. 

 Perennial from a slender tap-root, up to 2 dm. high, silvery 

 silky pubescent throughout, practically acaulescent, the numer- 

 ous ascending stems and petioles sub-decumbent at base, finally 

 erect or ascending, spreading: petioles 7 cm. long or less: stip- 

 ules subulate, 4 or 5111m. long; leaflets 6 to 8, oblanceolate, 

 15 mm. long, 5 mm. wide, apiculate and hairy-tufted at the nar- 

 rowed apex, the pubescence dense, appressed: peduncles com- 

 monly 1 to 3 cm. longer than the leaves: inflorescence cylindri- 

 cal, up to 7 cm. long, 1.5 cm. broad, sub-verticillate, dense: 

 bracts persistent, lance-subulate, nearly as long as the calyx, 

 densely bearded: pedicels very short, but little over 1 mm. long: 

 flowers violet, 8 or 9111m. long and as deep, distance between 

 apices of banner and wings 4111111.: calyx densely silky, the 

 lower lobe prominently 2-toothed, 4 mm. long, upper lobe 

 broader, 3 mm. long, 2-cleft, the apices of the divisions slightly 



Figure 6. Mora] parts of Lupinus sellulus^ enlarged. 



converging: banner with the sides turned back and parallel, 

 forming a scoop shaped body viewed from the rear, the face with 

 ;i pale spot 1 h,it turns purple in age; wings oblong, a little 

 longer than the banner, 4 mm. deep, the upper edges raised into 

 a sharp knife-like edge, with a shallow groove on either side, 

 the lower edges open excepl near the apex, the opening 2 mm. 

 wide; keel not strongly curved, 3 mm. deep for nearly its whole 

 length, bearded, especially near the purple apex: pods silky, 



