460 POLEMONIACEAE 



1. Gilia aggregata (Pursh) Spreng. Scarlet Gilia. Fig. 4011. 



Cantua aggregata Pursh, Fl. Amer. Sept. 1: 147. 1814. 



Ipomeria aggregata Nutt. Gen. 1: 124. 1818. 



Gilia aggregata Spreng. Syst. 1 : 626. 1825. 



Gilia pulchella Dougl. in Lindl. Bot. Reg. 15: pi. 1281, as a synonym. 1829. 



Batanthes aggregata Raf. Atl. Journ. 145. 1832. 



Gilia aggregata var. Bridgesii A. Gray, Proc. Amer. Acad. 8: 276. 1870. 



Collomia aggregata T. C. Porter in A. Gray, Syn. Fl. N. Amer. 2^: 394. 1878. 



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



Callisteris aggregata Greene, Leaflets Bot. Obs. 1: 159. 1905. 



Callisteris Bridgesii Greene, op. cit. 160. 



Callisteris pulchella Greene, loc. cit. 



Batanthes Bridgesii Greene, op. cit. 224. 



Batanthes pulchella Greene, loc. cit. 



Gilia aggregata subsp. Bridgesii Brand, Pflanzenreich 4**0: 116. 1907. 



Gilia aggregata subsp. eu-aggregata Brand, op. cit. 115. 



Gilia aggregata subsp. eu-aggregata var. typica Brand, loc. cit. 



Gilia aggregata f. aurea Macbride & Payson, Contr. Gray Herb. No. 49: 64. 1917. 



Gilia aggregata subsp. formosissima f. aurea Wherry, Bull. Torrey Club 73: 196. 1946. 



Gilia Bridgesii Wherry, op. cit. 197. 



Biennial, 1-5 dm. high, simple or branched from the base, glandular-puberulent to pilose. 

 Leaves pinnately dissected, 3-5 cm. long, the lobes 1-2 cm. long, midrib often villous ; inflores- 

 cence a thyrsoid panicle; sepals linear-attenuate to rarely triangular, flanked below by a mem- 

 brane w^hich unites to form a pseudotube; corolla tubular-funnelform 2-5 cm. long, red (to 

 golden yellow) or pink, often spotted with yellow, rarely white ; lobes lanceolate, rotately spread- 

 ing, often becoming reflexed; stamens equally or unequally inserted in or below the corolla- 

 sinuses and barely exserted from throat, filaments 1-2 mm. long; capsule ovoid, subequaling 

 calyx ; seeds many in each locule. 



Open woods. Transition Zone; North Coast Ranges, Sierra Nevada, and Panamint Mountains, California, 

 north to British Columbia, east to Rocky Mountains. Type locality: Hungry Creek, Idaho. Collected by Lewis. 

 June-Sept. 



2. Gilia congesta Hook. Many-flowered Gilia. Fig. 4012. 



Gilia congesta Hook. Fl. Bor. Amer. 2: 75. 1838. 



Gilia iberidifolia Hook. Kew Journ. Bot. 3: 290. 1851. 



Gilia congesta var. paniculata M. E. Jones, Proc. Calif. Acad. IL 5: 712. 1895. 



Gilia montana Nels. & Kenn. Proc. Biol. Soc. Wash. 19: 37. 1906. 



Gilia congesta subsp. iberidifolia Brand, Pflanzenreich 4^^: 121. 1907. 



Gilia congesta subsp. palmifrons Brand, op. cit. 122. 



Gilia palmifrons Rydb. Bull. Torrey Club 40: 470. 1913. 



Gilia nevadensis Tidestrom, Proc. Biol. Soc. Wash. 38: 15. 1925. 



Gilia congesta var. montana Constance & Rollins, Amer. Journ. Bot. 23: 439. 1936. 



Erect or spreading perennial, stems ascending from a persistent basal tuft, pubescence arach- 

 noid-floccose. Leaves pinnately or bipinnately lobed from a broad petiole, or laciniate, 1-4 cm. 

 long, becoming reduced and pseudopalmate in the inflorescence, often floccose beneath and 

 glabrate above; flowers sessile in capitate heads, or rarely in smaller aggregated heads at ends 

 of branches ; calyx cylindric, the lobes flanked by a membrane which unites below to form a 

 membranous pseudotube, densely arachnoid; corolla salverform, 4-6 mm. long, white; tube 3-4 

 nim. long, yellow, lobes 2 mm. long ; stamens inserted on the short throat and exserted therefrom ; 

 pistil exserted ; capsule obovoid ; seeds 1 or 2 to a locule. 



Transition and Hudsonian Zones; Washington, Oregon, south through the Sierra Nevada, California, east to 

 Nebraska. Type locality: sandy plains of the Columbia. June-Sept. 



3. Gilia polycladon Torr. Spreading Gilia. Fig. 4013. 



Gilia polycladon Torr. Bot. Mex. Bound. 146. 1858. 



Erect, spreading, or prostrate annual. 5-15 cm. high, stems several from the base, often with 

 long, naked internodes, glandular-puberulent. Basal leaves in a loose rosette, pinnately dissected, 

 with a long petiole, pilose below, glabrous above ; inflorescence congested in leafy-bracted heads ; 

 bracts entire to pinnately dissected ; calyx cleft into oblong linear lobes, each with a rigid spine, 

 pilose within, glabrous externally, flanked by a membranous margin which unite below to form 

 a pseudotube; corolla tubular-funnelform, barely exceeding calyx, white to rose, 4-6 mm. long, 

 tube 4 mm. long, throat 0.5-1 mm. long, lobes 1 mm. long; stamens inserted in sinuses of corolla- 

 lobes ; capsule ellipsoidal ; seeds 2 to each locule. 



Gravelly slopes, Sonoran Zones; eastern Mojave Desert to central Nevada and Oregon, south to Texas and 

 Mexico. Type locality: stony hills near EI Paso, Texas. May-June. 



4. Gilia depressa M. E. Jones. Argus Gilia. Fig. 4014. 



Gilia depressa M. E. Jones ex A. Gray, Proc. Amer. Acad. 16: 106. 1880. 

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

 Microsteris depressa Davids. & Moxley, Fl. S. Calif. 287. 1923. 



Divaricately branched annual, 2-10 cm. high, coarsely pilose. Leaves linear to lanceolate- 



