PHLOX FAMILY 437 



7. Eriastrum virgatum (Benth.) H. L. Mason. Virgate Eriastrum. Fig. 3966. 



Hiiegclia virgata Benth. Bot. Reg. 19: under pi. 1622. 1833. 



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



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



Navarrctia densifolia var. lanata Brand, Pflanzenreich 4-*: 165. 1907. 



Gilia virgata var. typica Craig, Bull. Torrey Club 61: 394. 1934. 



Eriastrum virgatum H. L. Mason, Madrono 8: 84. 1945. 



Erect, virgately branched annual, 12-40 cm. high, stems simple below, branched above, not 

 commonly diffuse and usually virgately ascending, lightly floccose to glabrate. Leaves linear, 

 filiform, entire or rarely with 2-4 linear-lateral lobes, 1-4 cm. long, green, sparmgly floccose to 

 glabrate; inflorescence capitate congested; bracts 3-4-cleft, lobes 15-30 mm. long; heads densely 

 araclinoid-felty ; calyx cleft into unequal linear divisions, 6-9 mm. long, sinuses about two-thirds 

 filled with a hyaline membrane which flanks the lobes almost to the tip; corolla funnelform, 

 15-20 mm. long, deep vivid blue, sometimes with yellow throat and tube, tube 8-9 times the 

 throat, throat 1-1.5 mm. long; stamens inserted at base of throat, filaments about two times the 

 anthers, anthers sagittate ; style exsertcd ; capsule triangular, the locules oblong. 



Sand hills and mesas, vicinity of Monterey Bay, from Pajaro Hills to Carmel River canyon, California. Type 

 locality: "California." Collected by Douglas. May-July. 



8. Eriastrum filifolium (Nutt.) Woot. & Standi. Thread-leaved Eriastrum. 



Fig. 3967. 



Gilia filifoiia Nutt. Journ. Acad. Phila. II. 1: 156. 1848. 



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



Gilia virgata var. filifoiia Milliken, Univ. Calif. Pub. Bot. 2: 39. 1904. 



Navarrctia filifoiia subsp. eu-filifolia Brand, Pflanzenreich 4^": 167. 1907. 



Eriastrum filifolium Woot. & Standi., Contr. U.S. Nat. Herb. 16: 160. 1913. 



Gilia floccosa var. filifoiia Nels. & Macbr. Bot. Gaz. 61: 35. 1916. 



Welwitschia filifoiia Rydb. Fl. Rocky Mts. 688. 1917. 



Hiiegclia filifoiia Jepson, Man. Fl. PI. Calif. 792. 1925. 



Gilia filifoiia var. typica Craig, Bull. Torrey Club 61 : 422. 1934. 



Erect, simple and virgate, or spreading and much-branched annual, 3-40 cm. high, herbage 

 pilose to subglabrate. Leaves 3-35 mm. long, very slender-filiform and entire to pinnately 3-5- 

 lobed, the terminal lobe longest; heads 3-15-flowered ; bracts very slender filiform; calyx 

 5-7 mm. long, exceeding the corolla-tube ; corolla subsalverform to narrowly funnelform, regu- 

 lar to slightly irregular, 7-9 mm. long, blue to white, pink or yellow, tube included in caly.x, throat 

 very narrow, lobes 2-2.5 mm. long, lanceolate; stamens inserted at base of throat, conspicuously 

 exserted, 2-3 mm. long, equal, anthers one-fourth to one-third as long as filaments, cordate- 

 sagittate ; capsule cylindric, 4-5 mm. long, 1-1.5 mm. broad, locules several-seeded, valves cam- 

 panulately spreading at tips on dehiscence; seeds angular, reddish brown. 



Coastal southern California and Lower California. Type locality: "Near Santa Barbara." May-July. 



9. Eriastrum Wilcoxii (A. Nels.) H. L. Mason. Wilcox's Eriastrum. Fig. 3968. 



Gilia floccosa A. Gray, emend. Syn. Fl. N. Amer. 2^: 143. 1878. Not type of G. floccosa A. Gray, Proc. Amer. 



Acad. 8: 272. 1870. 

 Gilia Wilcoxii A. Nels. Bot. Gaz. 34: 27. 1902. 

 Welwitschia Wilcoxii Rydb. Fl. Rocky Mts. 688. 1917. 



Huegelia filifoiia var. floccosa Jepson, Fl. Calif. 3: 166. 1943, as to lectotype, not as to type. 

 Eriastrum Wilcoxii H. L. Mason, Madrono 8: 85. 1945. 



Erect annual, 1-2 dm. high ; branching from near the base, the lower branches longest, vir- 

 gately corymbose or cymose ; crown flat-topped or round. Leaves pinnately dissected into 5 lobes, 

 occasionally 3 lobes, rarely simple and entire, floccose, becoming glabrate in age ; bracts 3-5- 

 lobed, the middle lobe linear-lanceolate, the lateral lobes short, divergent, and often somewhat 

 recurved ; heads 3-5-flowered, often many closely congested so as to appear as one large head at 

 the ends of the main branches ; calyx deeply cleft with unequal linear lobes, sinus-membrane over 

 half filled by membrane which flanks the lobes to near their aristate tips; corolla funnelform to 

 nearly salverform, 9-11 mm. long; tube 5 mm. long, throat 2 mm., both yellow or white, lobes 

 3.5-4 mm., blue; stamens inserted at base of throat, barely exserted, filaments equal or slightly 

 unequal, 1.5-2.5 mm. long, anthers 1 mm. long, sagittate; pistil 6 mm. long, barely exserted; 

 stigma 0.5 mm. long; capsule ellipsoid, locules campanulately recurved, included in calyx; seeds 

 several to a locule, rarely solitary, angular, often margined on angles. 



Eastern Washington to Idaho and Utah, south through Oregon to the Panamint Mountains of California; La 

 Panza Range, San Luis Obispo County, California. Type locality: St. Anthony, Idaho. June-Aug. 



10. Eriastrum sparsiflorum (Eastw.) H. L. Mason. Few-flowered Eriastrum, 



Fig. 3969. 



Gilia sparsiflora Eastw. Proc. Calif. Acad. III. 2: 291. 1902. 

 Navarrctia filifoiia subsp. sparsiflora Brand, Pflanzenreich 4-™: 167. 1907. 

 Gilia filifoiia var. sparsiflora J. F. Macbride, Contr. Gray Herb. No. 49: 57. 1917. 

 Huegelia filifoiia var. sparsiflora Jepson, Man. Fl. PI. Calif. 792. 1925. 

 Eriastrum sparsiflorum H. L. Mason, Madroiio 8: 86. 1945. 



Erect annual 1-5 dm. high ; branching above the base, paniculate ; cotyledons elongate or 



