FLOWERING PLANTS AND FERNS OF ARIZONA 725 



28. Gilia achilleaefolia Benth., Edwards's Bot. Keg. 19: pi. 1622. 



1833. 

 Near Tucson (Thornber in 1903 and 1905), and in the Baboquivari 

 Valley, Pima County (Griffiths 3975), March and April, doubtless 

 introduced from California. 



29. Gilia multicaulis Benth., Edwards's Bot. Reg. 19: pi. 1622. 1833. 

 Mazatzal Mountains, Gila County, 3,800 feet (Peebles 11592, 



Collom 899), May. Central Arizona and California. 



The Arizona plant, which is entirely glabrous and has small flowers 

 in few-flowered clusters, seems to belong to var. alba Milliken. It is 

 perhaps an introduction from California. 



30. Gilia latifolia S. Wats, in Parry, Amer. Nat. 9: 347. 1S75. 

 Mohave and Yuma Counties, 1,800 feet or lower, sandy soil, 



March and April. Southwestern Utah, western Arizona, and south- 

 eastern California. 



31. Gilia leptomeria A. Grav, Amer. Acad. Arts and Sci. Proc. 8: 278. 



1870. 



Northern Apache County to northern Mohave County, 4,200 to 

 6.100 feet, common on rocky slopes, June. Wyoming to eastern 

 Washington, south to New Mexico, northern Arizona, and California. 



Corolla lobes lavender. 



32. Gilia longiflora (Torr.) G. Don, Hist. Dichl. PL 4: 245. 1837. 



Cardua longiflora Torr., Ann. Lye. N. Y. 2: 221. 1828. 



Almost throughout the State, 1,200 to 6,500 feet, common on dry 

 plains and mesas, often on limestone soil, April to October. Nebraska 

 to Utah, Texas, and Arizona. 



The plant is conspicuous and attractive, with very long salverform 

 pale-blue to nearly white (rarely variegated) corollas. A remarkable 

 form, with caudate-acuminate corolla lobes, was collected in Segi 

 (Laguna) Canyon, Navajo County (Cutler 3022). 



33. Gilia scopulorum M. E. Jones, Torrey Bot. Club Bui. 8: 70. 1881. 



Mohave and Yuma Counties, 2,500 feet or lower, dry rocky slopes, 

 March and April. Southern Utah and Nevada, western Arizona, and 

 southeastern California. 



34. Gilia tenuiflora Benth., Edwards's Bot, Keg. 19: pi. 1622. 1833. 



?Giliaflavocincta A. Nels., Amer. Jour. Bot, 21: 577. 1934. 



Gila, Yavapai, Pinal, and Maricopa Counties, 1,300 to 4,000 feet, 

 common in sandy soil, February to May, type of G. flavoeincta from 

 Canyon Lake, Maricopa County (Nelson 11228). Arizona, California, 

 and Baja California. 



Tins and the 2 following intergrade freely and should perhaps be 

 regarded as varieties of 1 polymorphic species. 



35. Gilia arenaria Benth., Edward's Bot. Reg. 19: pi. 1888. 1833. 



Gilia hutchinsifolia Eydb., Torrey Bot. Club Bui. 40: 472. 1913. 



Yavapai and Mohave Counties to Santa Cruz, Pima, and Yuma 

 Counties, 1,000 to 4.000 feet, very common on plains and mesas, 

 preferring sandy soil, February to May. Washington to Arizona and 

 Baja California, 



