PHLOX FAMILY 435 



4. Eriastrum eremicum (Jepson) H. L. Mason. Desert Eriastrum. Fig. 3963. 



Navarretia densifolia var. jacumbana Brand, Ann. Conserv. & Jard. Bot. Geneve 15 and 16: 340. 1913. 



Hucgelia eremica Jepson, Man. Fl. PI. Calif. 793. 1925. 



GiVia frrmica Craig, Bull. Torrey Club 61: 416. 1934. 



Gilia eremica var. zionis Craig, op. cit. 418. 



Eriastrum eremicum H. L. Mason, Madrono 8: 78. 1945. 



Erect or spreading annuals, 2-15 cm. high, divaricately branched, glabrate to sparingly 

 floccose. Leaves pinnatifid into 2>-7 lobes, or rarely entire ; flowers congested into small heads at 

 the ends of the branches ; bracts recurved at tips ; calyx cleft into linear, subequal divisions, rnem- 

 branous in sinuses; corolla from strongly bilabiate to nearly regular, corolla from 1.5-2.5 times 

 the calyx, violet; stamens inserted at base of throat, very unequal in length, the longest ex- 

 serted, anthers sagittate, white or yellow; pistil exserted ; capsule 3-6 mm. long, 2 mm. wide; 

 locules several-seeded. 



Desert area from southeastern California to southern Nevada, Utah, and northern Arizona. Type locality: 

 Calico Wash, northeast of Barstow, Mojave Desert, California. April-July. 



5 Eriastrum sapphirinum (Eastw.) H. L. Mason. Sapphire Eriastrum. 



Fig. 3964. 



Gilia sapphirina Eastw. Bot. Gaz. 38: 71. 1904. 



Navarretia virgata var. sapphirina Brand, Pflanzenreich 4=^°: 168. 1907. 



Gilia virgata var. sapphirina J. F. Macbride, Contr. Gray Herb. No. 49: 58. 1917. 



Hucgelia virgata var. sapphirina Jepson, Man. Fl. PI. Calif. 793. 1925. 



Eriastrum sapphirinum H. L. Mason, Madrono 8: 79. 1945. 



Erect, paniculately branching annual, 20-60 cm. high ; herbage viscid, glandular to puberulent, 

 sometimes lightly floccose in inflorescence. Leaves linear and entire, 10-30 mm. long, rarely 

 with two lateral lobes ; flowers sessile in few-flowered cymes, occasionally solitary, rarely on 

 long slender peduncles ; bracts often hyaline margined and sometimes keeled at base, usually sub- 

 equal to definitely shorter than the calyx ; calyx deeply cleft into linear segments 5-6 mm. long 

 with a broad, often plaited, hyaline membrane united for half the sepals then flanking the lobes 

 above; corolla funnelform, blue with yellow tube and throat, 10-15 mm. long, tube 1-2 times the 

 throat; stamens inserted on base of throat; filaments 4-5 mm. long, anthers sagittate, 2-2.5 mm. 

 long ; stigma exserted ; capsule 4 mm. long ; locules 2 mm. wide, several-seeded. 



Higher elevations of mountains of southern California south to Lower California. Type locality: San Jacinto 

 Mountains, California. May-Sept. 



Eriastrum sapphirinum subsp. gymnocephalum (Brand) H. L. Mason, Madrono 8: 80. 1945. {Navarretia. 

 virgata subsp. gvmnocephala Brand, Pflanzenreich A'^": 168. 1907; Navarretia virgata vzt otigantha Brand, 

 loc' cit.) Flowers solitary and pedicelled, rarely in pairs. San Diego County, California, and northern Lower 

 California. Type locality: "Sud- und Nieder-Californien." 



Eriastrum sapphirinum subsp. dasyanthum (Brand) H. L. Mason, Madroiio 8: 80. 1945. {Navarretia vir- 

 gata var. dasvantha Brand, Pflanzenreich 4^^: 168. 1907. Hucgelia virgata var. dcj.vaMifco Jepson, Man. l-l. Fl. 

 Calif 793 l"925- Gilia virgata var. dasvantha Craig, Bull. Torrey Club 61: 395. 1934.) Heads dense, usually 

 5- to many-flowered, densely enveloped in matted arachnoid wool; corolla-tube 2 times throat; lowermost bracts 

 occasionally longer than head. Lower and moderate altitudes of southern California and Lower California and 

 perhaps ranging into the hills bordering the San Joaquin Valley. Type locality: not known. 



Eriastrum sapphirinum subsp. ambiguum (M. E. Jones) H. L. Mason, Madrono 8: 80. 1945. {Gilia floccosa 

 var. ambigua M. E. Jones, Contr. West. Bot. No. 13: 2. 1910; Gilia virgata var. ambigua Craig, Bull. Torrey Club 

 61- 412 1934- Hucgelia virgata var. ambigua Jepson, Fl. Calif. 3: 165. 1943.) Branching open-paniculate; 

 bracts broad and short, 3-7-lobed, often destitute of any membrane on the margins; flowers in closely compacted, 

 numerous small heads; corolla white, pale yellow or blue, lobes longer, throat shorter, and stamens shorter than 

 typical Eriastrum sapphirinum. Desert slopes of the mountains of southern California. Type locality: Victor- 

 villa, San Bernardino County, California. 



6. Eriastrum luteum (Benth.) H. L. Mason. Yellow Eriastrum. Fig. 3965. 



Huegelia lutea Benth. Bot. Reg. 19: under pi. 1622. 1833. Not G. Intca Steudel. 



Gilia lutescens Steudel, Nom. ed. 2. 1: 684. 1840. 



Gilia floccosa A. Gray, Proc. Amer. Acad. 8: 272, in part. 1870. 



Navarretia floccosa Kuntze, Rev. Gen. PI. 2: 433, in part. 1891. 



Navarretia lutescens Kuntze, loc. cit. 



Navarretia lutea Brand, Pflanzenreich 42^": 168. 1907. 



Eriastrum luteum H. L. Mason, Madrono 8: 81. 1945. 



Erect annual, 5-20 cm. high, simple or branched from base, herbage arachnoid to glabrate. 

 Leaves simple, linear and entire, or with one or two linear lateral lobes near base ; flowers con- 

 gested in heads ; inflorescence virgate, racemosely branched ; bracts pinnately cleft or sometimes 

 by a foreshortening of the rachis appearing as though palmately cleft ; heads clothed with dense 

 felty white wool ; calyx deeplv cleft into subequal acerose divisions over half-filled with a hyaline 

 membrane ; corolla regular or very slightly irregular, funnelform, 8-10 mm. long, yellow, tube 

 included or slightlv exserted from calvx-tube, lobes subequal to tube; stamens inserted at base 

 of throat; filaments 5.5 mm. long, anthers sagittate, one-fourth to one-third as long as filaments; 

 locules 1, rarely 2-seeded. 



Santa Lucia Mountains of Monterey and San Luis Obispo Counties, California. Type locality: "California." 

 Collected by Douglas. May-June. 



