150 American Midland Naturalist Monograph No. 4 



1. Whiteface Lupine, Silver Lupine (Lupinus albifrons Benth.). — 

 Much-branched shrub 2 to 5 feet high with densely silvery-silky herbage; leaf- 

 blades divided into 6 to 9 leaflets, the leaflets ^^ t'o 1 inch long; flowers blue 

 or purplish, at first with white or yellow center; pods 1 to 2 inches long, 5 

 to 9-seeded. 



Occurrence. — YOSEMiTE. sequoia: lower Kaweah River. 



2. Brewer Lupine, Mat Lupine (Lupinus Breweri Gray) . — Low pros- 

 trate plant not usually more than 6 inches high, with silvery-silky herbage; 

 leaves crowded near the base or scattered along the stems; leaflets mostly 

 7 to 10, ^ to % inch long; flowers violet, the center yellowish or white, ^^ to 

 Y^ inch long, borne in dense oblong clusters 1 to 2 inches long; pods about 

 % inch long, 3- or 4-seeded. 



Occurrence. — YOSEMITE. 



3. Lyall Lupine {Lupinus Lyalli Gray var. fruticulosus (Greene) C. P. 

 Smith). — Low plants from woody base, the stems seldom over 4 inches high; 

 leaflets 5 or 6, 1/2 to % ^^<^^ Io"g) appressed-silky on both sides; flowers 

 about i/j inch long or less, blue to purplish, borne in usually oblong head- 

 like clusters; pods silky, about i^ inch long, 3- or 4-seeded. 



Occurrence. — CRATER LAKE: Annie Creek valley. 



The variety danaus (Gray) Wats., found on Mount Dana in Yosemite 

 National Park, and variety Lobbi (Gray) Smith, listed as occurring in Lassen 

 National Park, are slightly less woody varieties. 



4. Gray's Lupine {Lupinus Grayi Wats.). — Plants i/4 to 1 foot high; 

 herbage densely short-hairy; leaflets 5 to 9, 1 to II/2 inches long, hairy on 

 both sides; flowers about 1/2 inch long, blue with yellow center, borne in circles 

 on upper part of stem; pods about 1 to I1/4 inches long, finely appressed- 

 hairy, 4- to 6-seeded. 



Occurrence. — yosemite : Wawona. 



5. Spur Lupine {Lupinus laxiflorus Dougl.). — Plants 1 to 2 feet high; 

 lower leaves long-stalked; leaf-blades thinly hairy or nearly smooth above, 

 appressed-hairy below, divided into 7 to 9 leaflets, 1 to 1% inches long; 

 flowers ^ to % inch long, blue or pinkish, borne in erect clusters 3 to 7 

 inches long; calyx spurred; pods I inch long, 4- to 6-seeded. 



Occurrence. — LASSEN: woods near Manzanita Creek. YELLOWSTONE. 



6. Tahoe Lupine {Lupinus meionanthus Gray) . — Plants 1 to 2 feet 

 high, with densely silky herbage; leaves all on short stalks less than 1 inch long; 

 leaflets 6 to 9, silky on both sides, ^2 to % inch long; flowers blue or lilac, 

 with yellow centers, about I/4 inch long. 



Occurrence. — grand canyon, on the North Rim. 



Spurge Family (Euphorbiaceae) 



Southwest Bernardia {Bernardia incana Morton), fig. 85.— Much- 

 branched shrub 2 to 7 feet high with dark grayish herbage; leaves alternate, 



