426 POLEMONIACEAE 



the lobes above, thus forming an evident pseudotube, which expands with the growing capsule; 

 corolla 10-15 mm. long, narrowly funnelform, tube 4-5 mm. long, stout, from subequal to slightly 

 longer than throat, included or barely exserted from calyx, throat narrow, lobes somewhat 

 rhombic-obovate, denticulate or entire at apex, with a linear spot near the base ; stamens in- 

 serted on throat near junction with tube, filaments glabrous, equaling throat, anthers disposed 

 in orifice of throat ; stigma slightly exceeding anthers, its lobes about 1 mm. long ; capsule- 

 locules several-seeded, valves adhering at base ; seeds ellipsoid, reddish brown, unaffected by 

 wetting. 



Upper desert slopes. Upper Sonoran and Arid Transition Zones; San Bernardino Mountains, Cactus Flat to 

 Baldwin Lake, California. Type locality: Cactus Flat. June-July. 



22. Linanthus Orcuttii subsp. pacificus (Milliken) H. L. Mason. Orcutt's 



Linanthus. Fig. 3947. 



Linanthus pacificus Milliken, Univ. Calif. Pub. Bot. 2: S3. 1904. 



Cilia pacifica Brand, Pflanzenreich 4=^": 134. 1907. 



Linanthus Orcuttii of Jepson, Man. Fl. PI. Calif. 804. 1925. Not Parry & Gray. 



Erect or diffuse annual, 5-15 cm. high, stems few to several, branching from base, puberulent. 

 Leaves 3-7-parted into linear divisions, 5-12 mm. long, sparsely pilose to ciliate or glabrate; 

 flowers in few-flowered cymules ; calyx deeply cleft into linear divisions 6-10 mm. long, mem- 

 brane margined, the membrane united below forming a short pseudotube ; corolla funnelform, 

 15-30 mm. long, pink to blue, tube stout, 5-20 mm. long, 1.5-2 times the calyx, throat yellow, 

 2-4 mm. long, lobes 5-8 mm. long, each with a reniform purple spot at the base ; stamens inserted 

 on the base of and equaling the throat, anthers disposed in the orifice of throat ; stigma exserted ; 

 capsule cylindric, 5-8 mm. long, locules 6-12-seeded. 



Open ground in chaparral. Upper Sonoran Zone; Palomar Mountain, San Diego County, California. Type 

 locality: "Cootca, Palomar, Riverside Co." May-June. 



23. Linanthus grandiflorus (Benth.) Greene. Large-flowered Linanthus. 



Fig. 3948. 



Leptosiphon grandiflorus Benth. Bot. Reg. 19: under pi. 1622. 1833. 



Leptosiphon densifiorus Benth. loc. cit. 



Cilia Leptosiphon Steudel, Nom. ed. 2. 1: 684. 1840. 



Cilia grandifiora Steudel, op. cit. 683. 



Navarretia densiftora Kuntze, Rev. Gen. PI. 2: 433. 1891. 



Linanthus grandiflorus Greene. Pittonia 2: 260. 1892. 



Linanthus densiflorus Jepson, Fl. W. Mid. Calif. 431. 1901. 



Erect annual, 1-5 dm. high, stems stout, simple or branched below summit, puberulent to 

 glabrate or sometimes glandular-villous below nodes. Leaves 5-11 -cleft into linear lobes 1-3 

 cm. long ; flowers congested into 1 or more densely bracteate heads, rarely in 1 or 2 whorls ; 

 calyx deeply cleft into linear segments, densely silky-pilose with white hairs, sinuses two-thirds 

 filled with broad hyaline membrane which is truncate across top and forms a conspicuous pseudo- 

 tube ; corolla stout-funnelform, 15-30 mm. long, white to pale lilac, tube 1-2 times the calyx, a 

 hairy ring within ; stamens inserted about midway on throat, anthers disposed in orifice of throat, 

 filaments glabrous ; stigma barely exserted ; capsule ellipsoid, locules 1-5-seeded. 



Coastal dunes and open woods. Arid Transition and Upper Sonoran Zones; Sonoma County to Santa Barbara 

 County, east to western Merced County, California. Type locality: "California," probably Monterey. Collected 

 by Douglas. April-July. 



24. Linanthus breviculus (A. Gray) Greene. Mojave Linanthus. Fig. 3949. 



Cilia brevicula A. Gray, Proc. Amer. Acad. 12: 79. 1876. 



Navarretia brevicula Kuntze, Rev. Gen. PI. 2: 433. 1891. 



Linanthus breviculus Greene, Pittonia 2: 259. 1892. 



Linanthus androsaceus var. breviculus Milliken, Univ. Calif. Pub. Bot. 2: 57. 1904. 



Erect annual, 6-30 cm. high, stems slender, cymosely branched, puberulent or glabrate. 

 Leaves 3-5-parted into linear lobes 3-10 mm. long, margins often setose-hispid ; flowers sessile 

 in small bracteate glomerules or heads at the ends of the branches or in the upper axils; calyx 

 deeply cleft into linear lobes, villous-hirsute to pilose, sinuses over half-filled with a hyaline 

 rnembrane forming an evident pseudotube; corolla salverform, 15-20 mm. long, white (pink or 

 lilac or purple in subspecies), tube glabrous, slender, about twice the calyx, throat ample, lobes 

 obovate; stamens inserted on throat, 2 mm. long, anthers disposed in orifice, filaments glabrous, 

 about 2 times the anthers ; stigma exserted, lobes longer than stamens ; capsule-locules several- 

 seeded. 



Deserts and desert mountains. Upper and Lower Sonoran Zones; from the Tehachapi Range through the 

 western half of the Mojave Desert to the San Bernardino Mountains, California. Type locality: "On the 

 Mohave River, S.E. California." May-Aug. 



Linanthus breviculus subsp. Royalis (Brand) H. L. Mason. {Cilia Royalis Brand. Ann. Conserv. & Jard. 

 Bot. Geneve 15-16:336. 1913.) Similar to the species but with corolla 20-35 mm. long, sometimes with a 

 narrower limb and often the tube a deep royal purple. Upper desert slopes of the San Gabriel and San Ber- 

 nardino Mountains, California, at about 6,000 feet. Type locality: Swartout Canyon, San Gabriel Mountains, 

 California. 



