SMITH: STUDIES IN THE GENUS LUPINUS 227 
east, March, 1908, I. Tidestrom 720 (US). Yavapai County: 
Prescott, April, 1876, E. Palmer (G). County not determined: 
Agua Verda Creek, March, 1914, J. A. Harris C1489 (US); Oracle 
to Redington, March-April, 1903, D. Griffith 3731 (US); Pagumpa, 
April, 1894, M. E. Jones 50956 (US); 1869, E. Palmer (US 20944, 
lower specimen only); 1876, E. Palmer 83 (US 21025). 
New Mexico. Luna County: Florida Mountains, March, 
1897, C. L. Herrick 323 (US). 
Uran. Washington County: Silver Reef, May, 1894, M. E. 
Jones 5149h, 5163g, 5176] (US); St. George, 1877, E. Palmer 87 
(G, T, US); same locality, 1919, I. Tidestrom 9260 (US, CPS). 
NevapA. Clark County: Mica Spring, April, 1894, M. E. 
‘Jones 5045f and 5072b (US). Nye County: Rhyolite, May, 1909. 
A. A. Heller 9681 (B). 
2c. Lupinus concinnus optatus var. nov. [Fic. 70.] 
A L. concinni differt altitudine 20-30 cm.; floribus 10-12 m 
longis, vexillo 9-10 mm. longo, 7-9 mm. lato, apice cabecinate: 
alis 10 x6 mm., carina 9 mm. longa. 
CS ha > 
Sy 
{ cm. 
Fic. 70. LupINUS CONCINNUS opTATUS C. P. Smith. S. B. Parish 3055 (US). 
Differs from the typical plant in being taller and more robust 
throughout; flowers 10-12 mm. long, banner 9-10 mm. long, 7-9 
mm. wide, heen emarginate at apex, wings 10 x 6 mm. and keel 
9 mm. lon 
ia tay a mountain-valley form inhabiting areas of iota 
rainfall or abundant seepage. 
CaLiFoRNIA. Monterey County: Santa Lucia Mountains, 
Plaskett Trail, May, 1897, A. Eastwood (G, G). Riverside 
County: Banning, M. F. Gilman 5 (UC); Fairmount Park, May, 
