PEA FAMILY 271 



Locs. — Colusa Co. (Jepson, Man. 526) ; Eush Creek, Trinity Co., E. S. Yates 407; Hayfork 

 Mt., Trinity Co., Tracy 6429 (bracts conspicuously long and slender as in illustration of the 

 type) ; Mt. Shasta, W. A. Dayton; Klamath Eiver near Yreka, Butler 703; Klamathon, Cope- 

 land 3518; Dana, ne. Shasta Co., Hall 4" BaicocJc 4181; Eagle Lake, BaJcer ^ Nutting; Burney 

 Valley, Shasta Co., M. S. BaTcer; Egg Lake, Modoc Co., Nutting. 



Var. canescens C. P. Sm. Pubescence mostly or all short and appressed; leaflets 8 to 12, 

 often narrower than in the species ; flowers 4 to 5 lines long. — Dry soil, 4000 to 5000 feet : Lassen 

 Co. (Pine Creek, Baker 4" Nutting) ; Modoc Co. North to eastern Washington. 



Kefs. — LupiNus LEUCOPHYLLUS Dougl. ; Lindl. Bot. Eeg. t. 1124 (1827), type loc. "Great 

 Falls of the Eiver Columbia in North America to the sources of the Missouri among the Eocky 

 Mountains", Douglas; Jepson, Man. 526 (1925). L. plumosus Dougl.; Lindl. Bot. Eeg. t. 1217 

 (1829), "common in northern California, in 45° north" (i. e. Oregon), Douglas, flowers larger, 

 less crowded, bracts long, shaggy, deciduous (ex char.). Var. canescens C. P. Sm. Bull. Torr. 

 Club 51:306 (1924). L. canescens Howell, Erythea 1:110 (1893), type loe. Buck's Mt., spur of 

 Blue Mts., Ore., Howell 787; Jepson, Man. 526 (1925). L. leucophyllus var. belliae C. P. Sm. I.e. 

 51:305, type loc. Crystal Creek, Power Co., Idaho, Zundel. 



Section 2. — Annuals. 



32. L. pachylobus Greene. Big-pod Lupine. Stem branching from the base, 

 4 to 10 inches high; herbage conspicuously villous; leaflets 6 to 8, % to 1 inch long, 

 hairy both sides; petioles % to 2 inches long; racemes with 2 to 4 whorls, or the 

 flowers sometimes scattered; flowers 3 to 4 lines long; pedicels % to 1 line long; 

 petals blue; banner suborbicular, 2i/^ to 3 lines wide, with a white center; keel non- 

 ciliate or nearly so; pods rusty-hirsute, especially large, thick and succulent when 

 green, 1 to I14 inches long, 31/^ to 4^/2 lines wide; ovules 4 to 6. 



Grassy hills, 175 to 2000 feet : San Mateo Co. to Napa Co., thence south in the 

 Sierra Nevada foothills from Butte Co. to Eldorado Co. Apr.-May. 



Locs. — Woodside, San Mateo Co. (Bull. Torr. Club 51:95) ; Mt. St. Helena, Greene; Chieo, 

 Copeland 3043 ; PUot Hill, Eldorado Co., K. Brandegee. 



Eefs. — LuPiNUS PACHYLOBUS Greene, Pitt. 1:65 (1887), type loc. Briones HUls, e. of San 

 Pablo Creek, Contra Costa Co., Greene; Jepson, Man. 522 (192S). L. micranthus var. pachyloius 

 Jepson, Fl. W. Mid. Cal. 318 (1901), ed. 2, 219 (1911). 



33. L. nanus Dougl. Sky Lupine. Plants erect, 6 to 15 inches high, the 

 stems slender, 1 or several from the base; herbage spreading-hirsute, or the leaves 

 somewhat appressed-hirsute ; leaflets 5 to 7, linear to oblanceolate, usually acute, 

 1/2 to 11/4 inches long; racemes 2i/2 to 5 inches long, with well-separated whorls, the 

 flowers in definite whorls or sometimes a little indefinite; bracts deciduous; pedicels 

 21/2 to 3 lines long ; flowers 6 lines long ; lower calyx-lip truncatish, sometimes ob- 

 scurely toothed or 3-toothed; upper calyx-lip bifid, its lobes ovate, acute; corolla 

 blue; banner broadly orbicular, the sides retuse, the center with a marked sulcus, 

 the white central spot turning purple in age; wings lightly joined at tip, forming 

 a sort of inflated sac; keel slender throughout, acumen strongly upturned, the tip 

 jet-black, ciliate above the middle; pods 1 to 1% inches long; seeds 5 to 11. 



Grassy hills and sandy fields, 100 to 2000 feet : Coast Ranges from Mendocino 

 Co. to Santa Barbara Co.; Sierra Nevada foothills from Amador Co. to Calaveras 

 Co. Apr.-May. 



Locs.— Coast Eanges: Ukiah, Purdy; St. Helena, Jepson 29t, 60t, 6241; Yountville, Jepson 

 20t; Atlas, Napa Co., Mary Ferguson; Mt. Tamalpais, Jepson 7558; Olema, Marin Co., Jepson 

 8288; San Francisco, Jepson 2639; Hunters Pt. Jepson 12,709; Alameda, Jepson 50t; Carmel, 

 Newlon 110; Santa Margarita, Jepson 11,974; Edna, San Luis Obispo Co., Jepson 12,685. Santa 

 Barbara Co.: Purisima Hills, Jepson 12,661. Sierra Nevada foothills: lone, Amador Co., Jep- 

 son 15,210; Gwin Mine, Calaveras Co., Jepson 1803. 



Var. carnosulus C. P. Sm. Eaven Lupine. Largest leaflets 1 to 1% inches long; pods 

 IVi to 2 inches long, 3% to 4i/^ lines wide; seeds about 214 lines long.— Santa Clara Co. to 

 Humboldt Co.: Los Gatos, Heller 7298; Mill Valley, Marin Co., Jepson 34t; Bridgeville, Hum- 

 boldt Co., Tracy 7053. 



Var. menkerae C. P. Sm. Kern Lupine. Leaflets 5 to 8i^ lines long, 1 to 11/2 lines wide; 

 flower 5 to 6 lines long; petals pale lilac, drying blue; banner eraarginate; pods 10 to 12 lines 



