Zo2 LEGUMINOSAE 



Costa Co., Jcpson 15,724; Howell Mt., Jepson 35t; Caux's Cabin, w. of St. Helena, Jepson 54t; 

 Berkeley, Jepson 7t, 3002; Colma Canon, n. San Mateo Co., Jepson 9108; Tunitas Creek, San 

 Mateo Co., Jepson; Cook, San Benito Co., Jepson 12,045; Bitterwater Valley, San Benito Co., 

 Jepson 12,043; San Antonio trail (summit), Santa Lucia Mts., Jepson 1653; Zapato Chino Creek, 

 sw. Fresno Co., Jepson 15,378. S. Cal. : Orcutt, Santa Barbara Co., J. T. Eowcll 2996 ; San Emigdio 

 Canon, Davij 2021; Santa Monica, Barber 23; Los Angeles (Erythea 6:71) ; Santa Catalina Isl., 

 K. Brandeyee ; Jacuml)a, Abrams 3080. Sacramento Valley: South Peak, Marysville Buttes, 

 Jepson 51t; College City, Alice King. Sierra Nevada: Stillwater, Shasta Co., Baker 4" Nutting ; 

 Eough and Ready, Nevada Co., Jepson 19t; Gwin Mine, Calaveras Co., Jepson 1768; Rawhide, 

 Tuolumne Co., A. L. Grant 659; Table Mt., Fresno Co., Jepson 15,114; Kaweah, Hopping 259. 

 Var. douglasii C. P. Sm. Bracts conspicuously much exceeding buds; leaflets 1 to 1% 

 inches long. — Mt. Tamalpais (Chandler 499) ; Carmel River (Heller 6590) ; Little Sur River, 

 Monterey coast (Jepson 2605). 



Var. collinus Greene. Low and caespitose; leaves crowded basally and petioles more 

 elongated (1 to 214 inches long) ; flowers 6 to 8 lines long; keel nearly non-cUiate. — Hills, San 

 Francisco Bay region: Lake Lagunitas, Eastwood; Angel Isl., Davy 4210; San Bruno HUls, 

 C. F. Baker 1889; Mt. Hamilton, Jepson 4221, 8238. 



Var. hallil Jepson comb. n. Bush ; usually larger and coarser ; flowers 7 to 9 lines long. — 

 Cismontane Southern California, mostly away from the coast: Soledad Canon, San Gabriel Mts., 

 Peirson 3090; Mill Creek Caiion, San Bernardino Mts., G. E. Hall; San Bernardino, Parish; 

 Alamos, Riverside Co., Hall; Anaheim, C. F. Baker 4102; Volcan Mts., San Diego Co., T. Brande- 

 gee; Descanso, T. Brandegee. 



Var. austromontanus Jepson comb. n. Stems several from the root-crown, forming a tuft 

 1 to 21/0 feet high, nearly herbaceous; leaves mostly basal or sub-basal; racemes 4 to 11 inches 

 long. — Teliachapi Mts. to the San Gabriel Mts. and San Jacinto Mts. : Mt. Pinos, Munz 7048 ; 

 Eock Creek, San Gabriel Mts., Peirson 522 ; Strawberry Valley, Mt. San Jacinto, Jepson 1312 ; 

 Shays Well, s. Mohave Desert, Jepson 5952. 



Var. johnstonii Jepson comb. n. Plants 4 to 14 inches high, congested, the proper stems very 

 short or almost none and the leaves in a dense mainly basal or sub-basal tuft; racemes short (1 to 

 5 inches long). — Mountain or hill tops, 1300 to 6500 feet: San Bernardino Mts. (Bear Valley, 

 Parish 3311) ; San Jacinto Mts.; Elsinore. This form merges inconstantly with var. austromon- 

 tanus. 



Var. medius Jepson var. n. Plants 2 feet high, the stems several from the root-crown; herb- 

 age finely white-tomentulose and with intermixed long hairs ; racemes 8 to 13 inches long ; flowers 

 5% lines long, pedicels with spreading pubescence; keel narrow and sparsely ciliate on apical 

 portion. — (Caules plures, ped. 2 alti; herbae minute albo-tomentulosae pilis longis intermixtis; 

 racemi unc. 8-13 longi; flores lin. 5Vi longi; pedicelli diffuse pubescentes; carina angusta, apice 

 sparse ciliolata.) — Mountain Springs grade (at summit), eastern San Diego Co., Jepson 11,815 

 (type). 



Refs. — LuPiNUS ALBiFRONS Benth. Trans. Hort. Soe. ser. 2, 1:410 (1835), type cult., the seeds 

 from Cal., Douglas; Jepson, Fl. W. Mid. Cal. 315 (1901), ed. 2, 217 (1911), Man. 531 (1925). 

 L. fallax Greene, Erythea 2:119 (1894), type grown in the Univ. Cal. Botanic Garden, being a 

 plant transplanted from Mt. Tamalpais, Marin Co., by W. L. Jepson (floral bracts long and con- 

 spicuous, ex char.). L. albifrons var. eminens C. P. Sm. ; Jepson, Man. I.e. L. eminens Greene, 

 Erythea 1 :125 (1893), type loc. Santa Inez Mts., Santa Barbara Co., G. W. Dunn (June 7, 1891) ; 

 Jepson, Fl. W. Mid. Cal. 315 (1901) as synonym. L. aeutilobus Hel. Muhl. 8:111 (1912), type 

 loc. East Butte, Marysville Buttes, Heller. L. tricolor Greene, Erythea 1:126 (1893), type cult, 

 in Univ. Cal. Botanic Garden ; seeds from Vaea Mts., Solano Co., Jepson. L. jucundus Greene, 

 Man. Reg. S. F. Bay 106 (1894), a new name for L. tricolor Greene; Jepson, Fl. W. Mid. Cal. 

 315 (1901), as synonym. Var. douglasii C. P. Sm.; Jepson, Man. 531 (1925). L. douglasii 

 Agardh, Syn. Gen. Lup. 34 (1835), tj-pe doubtless from Cal., Douglas. Var. collinus Greene, 

 Fl. Fr. 46 (1891), type loc. Presidio, San Francisco, Greene. L. collinus Hel. Muhl. 2:292 

 (1907). Var. hallii Jepson. L. hallii Abrams, Bull. Torr. Club 37:151, fig. 2 (1910), type 

 loc. Reche Canon, Riverside Co., Hall. L. excubitus var. hallii C. P. Sm.; Jepson, Man. 532 

 (1925). L. paynei Dav. Bull. S. Cal. Acad. 17:58 (1918), type loc. canons of Tapo Ranch, 

 Santa Susana, T. Payne 3305. L. brittonii Abrams, Bull. N. Y. Bot. Card. 6:391 (1910), type 

 k)C. Cottonwood Valley, San Diego Co., Abrams 3904 (herbage glaucescent; pubescence of pedicels 

 appressed, ex char.), is perhaps a form of var. hallii. Var. austromontanus Jepson. L. excu- 

 bitus var. austromontanus C. P. Sm. ; Jepson, I.e. L. austromontanus Hel. Muhl. 2:69 (1905), 

 type loc. Tehachapi, Kern Co., Heller 7825. Var. johnstonii Jepson. L. excubitus var. john- 

 stonii C. P. Sm.; Jepson, I.e., based on plants from "Ventura and San Bernardino Cos." Var. 

 MEDIUS Jepson. 



2. L. excubitus Jones. Guard Lupine, Busli 2 to 4 feet high ; herbage densely 

 white-silky; leaflets oblong-oblanceolate, obtuse but apiculate, % to 1^^ inches long, 

 the petioles 1 to 3i/^ inches long; racemes rather loose, 3 to 10 inches long, long- 



