552 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



3. Ambrosia psilostachya DC. Prod. 5: 526. 1836. 



Type locality: "In Mexico, inter San Fernando et Matamoras." 



Range: Washington to Saskatchewan, south to California and Texas. 



Specimens examined: Walla Walla, Piper, August 13, 1897; Pullman, Piper, October 

 10, 1897. 



Apparently an introduced plant in Washington. 



GAERTNERIA. 



Not maritime ; annual, erect or spreading 3. 6^. acanthicarpa. 



Maritime species; prostrate perennials. 



Leaves 2 to 3 pinnately parted 1. G. hipinnatlfiJa 



Leaves cuneate-obovate, serrate or laciniate 2. G. chantissonis. 



1. Gaertneria bipinnatifida (Nutt.) Kuntze, Rev. Gen. 1: 339. 1891. 

 Franseria bipinnatijiila Nutt. Trans. Am. Pliil. Soc. 7: 344. 1840. 



Type locality: " Sea coast of Upper California, (St. Barbara, St. Diego, &c.)" 



Range: Seacoast, Washington to California. 



Specimens examined: Ilwaco, Z7e?MZerso7i, September 7, 1892; Shoalwater Bay, Cooper; 

 Puget Sound, Henderson 21; Port Angeles, Piper 2307; Fairhaven, Piper, July 2, 1897; 

 Whatcom County, Suksdorf 976; Seattle, Piper, September, 1898; Tacoma, Flett 101. 



Zonal distribution: Humid Transition. 



2. Gaertneria chamissonis (Less.) Kuntze, Rev. Gen. 1: 339. 1891. 

 Franseria chamissonis Less.; DC. Prod. 5: 524. 1836. 



Franseria cuneifolia Nutt. Trans. Am. Phil. Soc. 7: 507. 1840. 



Type locality: California. 



Range: Seacoasts, Wasliington to California. 



Specimens examined: Shoalwater Bay, Cooper in 1854. 



Zonal distribution: Humid Transition. 



3. Gaertneria acanthicarpa (Hook.) Britton, Mem. Torr. Club 6: 382. 1894. 

 Andirosia acanthicarpa Hook. Fl. Bor. Am. 1: 309. 1833. 



Franseria hooJceriana Nutt. Trans. Am. Phil. Soc. 7: 345. 1840. 



Franseria acanthicarpa Coville, Contr. Nat. Herb. 4: 129. 1893. 



Type locality: "Banks of the Saskatchewan and Red Rivers." 



Range: Washington to Saskatchewan, south to Arizona and Texas. 



Specimens examined: West Klickitat County, S'wls<Zo?/, September, 1883; Fishhook 

 Ferry, Leiberg 922; banks of Columbia River, Wenache, Whited 28; North Yakima, Wait, 

 August, 1895; bluffs of the Columbia above Chelan River, Watson 211 ; Almota, Piper 1839, 

 1837; Prosser, CoZ/on 630: Sunnyside, To^/oti 755; Priest Rapids, Co«o?i 1390. 



Zonal distribution: Upper Sonoran. 



ASTERACEAE. Aster Family. 



synopsis of the tribes. 



Anthers not caudate at l)ase; style branches either truncate or tipped with 

 an appendage. 



Heads rayless; style branches club-shaped, obtuse; flowers all perfect, 



never yellow Eupatorieae. 



Heads radiate (rarely rayless). 



Style branches of perfect flowere flat, or tipped with a distinct 



appendage ; leaves mostly alternate Astereae. 



Style branches of perfect flowers tnmcate or appendaged, not flat- 

 tened; leaves often opposite. 

 Involucre not scarious. 



