254 



LEGUMINOSAE 



Locs. — San Francisco, Tidestrom; Merced Lake, Jepson 2635; Monterey; Arroyo Grande, 

 Alice King; Santa Monica, Hasse ; Eedondo (Erythea 6:71). 



Rcfs. — LuPiNUS CHAMJSSONis Esch. Mem. Acad. Pctersb. 10:288 (1826), type loc, un- 

 doubtedly, San Francisco sand dunes, Chamisso; Jepson, Fl. W. Mid. Cal. 315 (1901), ed. 2, 217 

 (1911), Man. 531 (1925). Var. longebracteatus Wats.; B. & W. Bot. Cal. 1:117 (1876), type 

 loc. San Francisco, Bigelow, Greene. 



5. L. arboreus Sims. Tree Lupine. Shrub 4 to 8 feet high, or often lower 

 and merely suffrutescent; herbage pubescent or puberulent or silky; leaflets 5 to 

 11, oblanceolate, % to 2y2 inches long; petioles 5 to 12 lines long; racemes 4 to 12 

 inches long, commonly loose, with very indistinct verticils ; pedicels 4 to 5 lines 

 long; flowers 6V2 to 8 lines long; upper calyx-lip slightly cleft, the lower entire; 

 petals sulphur-yellow or sometimes w^hite or blue ; banner orbicular, aging purple, 

 or the whole corolla aging pinkish or pui'ple; keel falcate, ciliate except on acumen; 

 pods IV2 to 2% inches long, 8 to 12-seeded; seeds oblong, dark, a pair of pale spots 

 enclosing the micropyle. 



Sand dunes and sandy slopes, 5 to 300 feet : near the ocean from Del Norte Co. 

 to Santa Barbara Co. Apr.-June. 



Locs. — Crescent City, Howell; Duncans Mills, Russian Eiver, K. Brandegee; Markham, Rus- 

 sian River, Jepson 15,952; Inverness, Jepson 8296; Presidio, San Francisco, Jepson 39t; Merced 

 Lake, Jepson 2636, 2637; Glen Echo, Santa Cruz Co., Jepson 28t; Corallitos, Jepson 27t; Pajaro 

 hills, Chandler 396; Carmel Bay, Heller 6804; Oso Flaco sand hills, sw. San Luis Obispo Co., 

 Sumviers; Santa Barbara, Dunn. Rarely back of the coast line: Antioch, H. A. Wallcer 2511. 



Eefs. — LuPiNUS ARBOREUS Sims, Bot. Mag. t. 682 (1803), type cult, at Kensington, Eng., 

 "its native country is not knovra to us", but abundantly cultivated in England at a very early 

 date from California seed (Bot. Reg. sub t. 32, — 1838), which, doubtless, was collected by 

 Menzies; Jepson, Fl. W. Mid. Cal. 314 (1901), ed. 2, 216 (1911), Man. 531 (1925). L. propinquus 

 Greene, Erythea 1 :126 (1893), type loc. Santa Barbara, the first station cited. L. eximius Davy, 

 Erythea 3:116 (1895), type loc. ridge above Lake 

 Pilarcitos, San Mateo Co., Davy 1050. L. arhoreus 



var. eximius C. P. Sm. ; Jepson, Man. I.e. L. rivularis 'K^^ ^^ jxHl 1' 

 Dough; Lindl. Bot. Reg. t. 1595 (1833), type from ^^ -^^ ''^^' ' 

 Cal., Douglas, may be the same as L. arboreus. A \^ '^^=*^/ Y/?' / 



6. L. polyphyllus Lindl. Blue Pod. (Fig. 

 180.) Stems erect, stout, often hollow, nearly 

 simple, leafy, 2I/2 to 5 feet high; stems and peti- 

 oles glabrous or more or less villous; petioles 

 6 to 13 inches long except the uppermost; leaf- 

 lets 9 to 17, oblanceolate or lanceolate, glabrous 

 above, sparingly hirsute beneath, 3 to 6 inches 

 long; racemes short-peduncled, dense, 1 to 2 

 feet long; flowers not in whorls or indefinitely 

 whorled, 6 to 7 lines long, on pedicels 2^/^ 

 to 4 lines long ; calyx-lips entire or somewhat 

 toothed ; corolla with blue wings and red-purple 

 banner ; keel falcate, acuminate, glabrous ; pods 

 1 to 114 inches long, 14 inch broad, 7 to 9- 

 seeded. 



Moist flats or swales, 20 to 4800 feet : Coast 

 Ranges from San Mateo Co. to Siskiyou Co. ; 

 Sierra Nevada from Nevada Co. to Lassen Co. 

 North to British Columbia. June-July. 



Locs. — Coast Ranges: San Pedro, San Mateo Co., 

 Elmer 4444; Sausalito, Greene; Howell Mt., Jepson 

 24t, 44t; Fort Bragg, Bolander 6507; Fields Ldg., 

 Humboldt Bay, Tracy 2495; Areata, K. J. Stirring; Rush Creek, Trinity Co., H. S. Yates 434; 

 Sisson, Mt. Shasta, Jepson 47t, 16t. Callahan, Siskiyou Co., Alexander 4- Kellogg; Oro Fino, 

 Siskiyou Co., Butler 376. Sierra Nevada: Bear Valley, Nevada Co., Jepson 33t, 41t; Quincy, 



C 



Fig. 180. LUPINUS POL.YPHYLLUS 



Lindl. a, habit, X %; 6, calyx, X 

 1^; c, banner, X 1; d, wing, X 1; e, 

 keel, X 1; Apod, X %. 



