i8 



Muhlenbergia, Volume 6 



Figure 2. Floral parts of Lupinus efongatus, enlarged. 



what pubescent; leaflets variable in number, but usually 7 to 9, 

 elliptical-lanceolate, 4 to 7 cm. long, 13 mm. wide or less, rather 

 bright green above, somewhat glaucescent and appressed pubes- 

 cent beneath, the acute apex apiculate: peduncles exceeding the 

 leaves, usually about 7 cm. long: inflorescence elongated, fre- 

 quently 3 dm. long, verticillate or sub-verticillate, the lower 

 internodes longer than the flowers: bracts exceeding the calyx, 

 subulate-acuminate, 12 mm. long, densely villous, caducous: ped- 

 icels slender, 4 or 5 mm. long, appressed pubescent: flowers 

 bright violet-blue, 12 mm. long, 10 mm. deep, distance between 

 apices of banner and wings 4 mm. calyx white-silky, the pubes- 

 cence both appressed and spreading, the lobes nearly equal, the 

 upper 6 nun. long, prominently 2-toothed, the lower 7 mm. long, 

 narrow and pointed, strongly convex dorsally when fresh, 

 slightly 3 toothed, the middle tooth longest: banner with sides 

 reflexed, the edges meeting and slightly inrolled, the face nar- 

 row and deeply grooved, the apex extending on the back into a 

 sharp and rather deep keel-like projection; wings only moder- 

 ately inflated, the edges meeting except under the calyx, the 



