Volume () 



March 31, 1910 



MUHLENBERGIA 



. 



THE NEVADA LUPINES— IV 

 By A. A. Heller 



(Cespitosi — concluded) 



Lnpinus pinetorum Heller, n. sp. 

 Cespitose perennial with a stout tap-root: stems numerous, 

 procumbent, 2 dm. long or less, pubescent with spreading white 

 hairs: petioles slender, pubescent like the stems, about 4 cm. 

 long; stipules brownish, subulate, 5 mm. long, densely white 

 bearded; leaflets commonly 5, oblanceolate, 12 or 13 mm. long, 

 5 mm. wide, acutish and very shortly mucronate, densely pubes- 

 cent, the hairs rather appressed, silvery on the lower surface, 



Figure 5 Floral parts of Lupinus pinetorum, enlarged, 

 but the green showing through on the upper, the edges ciliate: 

 peduncles commonly exceeding the leaves: inflorescence cylin- 

 drical, up to 8 cm. long, nearly 2 cm. across, dense, not verticil- 

 late: pedicels 2 mm. long, pubescent like the leaves: bracts 3mm. 

 long, subulate, brownish, caducous, or sometimes semi-persistent: 

 flowers violet-blue, 8 mm. long, 5 mm. deep, distance between 

 apices of banner and wings barely 2 mm.: calyx silky villous, 



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