Volume 8 



September 30, 191 2 



MUHLENBERGIA 



THE NEVADA LUPINES— VII 

 By a. a. Hellkk 



y LuPiNUS RUBENS Rydb. Bull. Torr. Club 34: 45. 1907 



Caulescent, branched from the base, about i dm. high, the 

 branches tinged with red and more or less hirsute throughout 

 except the glabrous upper surface of the leaflets: petioles 2 to 4 

 cm. long; stipules green or greenish, narrowly lanceolate, less 

 than 3 mm. long, nearly basal; leaflets commonly 7, spatulate or 

 oblanceolate, 15 mm. long, 5 mm. wide, the pubescence of the 

 under side appressed: peduncles very short, about i cm.: inflor- 

 escence lax, about i dm. long, overtopping the leaves: bracts 

 membranous, subulate, less than 3 mm. long, bearded wtih scat- 

 tered stiff white hairs: pedicels slender,/4 mm. long: corollas 

 violet purple, 9 mm long, 7 mm. deep, sp^e between apices of 

 banner and wings 2 mm.: calyx more or less hirsute-ciliate, the 

 upper lip 2 mm. long, sharply 2-toothed, broadly ovate, 2 mm. 



Fitjure 12. Floral parts of iMpiniisrubeiis, enlari^ed 

 wide at base; lower lip 5 mm. long, 3 mm. wide at base, lanceo- 

 late, acute, entire: banner with a quadrate vellow spot on the 



