PEA FAMILY 283 



bifid; petals bright blue or pale; keel straight or nearly so; pods ovate, thinly hir- 

 sute, 3 1/2 to 5 lines long; ovules 2 or 3; seeds 1 line long. 



Desert sands, 4000 to 5000 feet : eastern Mohave Desert; Inyo Co. Nevada and 

 Oregon to Colorado and New Mexico and Chihuahua. May-June. 



Locs. — Cima sta., e. San Bernardino Co., K. Brandegee ; Bishop, Inyo Co., ShocMey 424. 



Eefs. — LupiNUS BREVICAULIS "Wats. Bot. King 53, pi. 7, figs. 1-4 (1871), type loc. "western 

 Nevada to East Humboldt Mts.", Watson; Jepson, Man. 520 (1925). L. uncialis "Wats. I.e. 54, 

 pi. 7, figs. 5-10, type loc. Truekee and Pah-Ute ranges, w. Nev., Watson. L. dispersus Hel. MuU. 

 5:141, pi. 3, figs. 13-18 (1909), type loc. Khyolite, Nev., Heller 9643. L. scaposus Eydb. Bull. 

 Torr. Club 34:45 (1907), type loc. Glenwood Sprs., Colo., Osterhout. 



12. CYTISUS L. 



Shrubs. Leaves 1 to 3-foliolate. Flowers yellow or white. Calyx-tube cam- 

 panulate, its limb (in ours) 2-lipped. Petals broad; keel obtuse. Stamens mona- 

 delphous. Pod flattened, several-seeded. — Species 50, Europe, Asia, northern 

 Africa, (Greek kutisus, a kind of clover.) 



Branches leafless or mostly so; pods hairy only along the margins 1. C. scoparius. 



Branches very leafy; pods hairy all over 2. C. monspessulanus. 



1. 0. scoparius Link. Scotch Broom. Shrub 3 to 6 feet high, with angular 

 broom-like leafless branches or sparingly leafy; primary leaves of the vegetative 

 shoots mostly simple, the remaining ones palmate ; leaves or leaflets 2 to 6 lines long; 

 flowers solitary or in pairs in the axils, 10 lines long; upper calyx-lip entire, lower 

 minutely 3-toothed; corolla bright yellow; pods pilose along the margins, blue- 

 black in age. 



Grassy hills, 50 to 200 feet, naturalized from Europe : along the coast from San 

 Mateo Co. to Del Norte Co. ; Sierra Nevada foothills from Eldorado Co. to Nevada 

 Co. Dec-May. 



Locs. — Coast Eanges : Millbrae, San Mateo Co., Jepson 9534 ; Mission Hills, San Francisco, 

 ace. Elsie Zeile ; Bear Valley, Marin Co., Jepson 8294; Sebastopol, G. G. Frey; Occidental, Sonoma 

 Co., M. S. BaTcer; upper Adobe Creek, Kelseyville, ace. BlanMnsMp ; Mendocino City, Davy 4' 

 Blasdale 6100; Ft. Bragg, W. C. Mathews 100; Petrolia, Humboldt Co., Tracy 6289; Smith River, 

 Del Norte Co., Goddard 345. Sierra Nevada : Nevada City, Jepson 16,765. 



Eefs. — Cytisus scoparius Link, Enum. Hort. Berol. 2:241 (1822); Jepson, Man. 533 

 (1925). Spartium scoparium L. Sp. PL 709 (1753), type from Europe. 



2, C. monspessulanus L. French Broom. Shrub 5 to 9 feet high; branchlets 

 villous; leaflets obovate, mucronulate, glabrous or subglabrous above, pubescent 

 beneath, 4 to 8 lines long; racemes very short or capitate, 3 to 9-flowered, leafy at 

 base; upper calyx-lip deeply 2-lobed, the lower minutely 3-toothed; flowers fra- 

 grant, 5 lines long; corolla bright yellow; pods densely villous, 10 to 12 lines long. 



Cultivated shrub, native of Europe, near the coast occurring as a garden escape 

 or sometimes definitely naturalized. 



Locs. — Palo Colorado, near Big Sur Eiver, Monterey Co., Parish 20,046 ; Ben Lomond, Santa 

 Cruz Mts., Jepson 16,907; Calistoga, Jepson 9972; Dyerville, Eel Eiver, Jepson 16,435; Eureka, 

 Tracy 2413. 



Eefs. — Cytisus monspessulanus L. Sp. PI. 740 (1753), type loc. Montpellier, France: 

 Bailey, Stand. Cycl. Hort. 2:948 (1914). C. canariensis of some Cal. collectors. 



13. ULEX L. 



Densely spiny shrubs with dark green almost leafless branches. Leaves re- 

 duced to spines or small scales. Flowers yellow, showy, axillary and often crowded 

 at the ends of the branches. Calyx yellow, deeply 2-lipped. Stamens monadel- 

 phous. — Species 20, western Europe and northern Africa. (Old Latin name of 

 some similar plant. ) 



1. U. europaeus L. Furze. Gorse. Two to 4 feet high ; pods villous, I/2 inch 

 long. 



