552 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
3. Ambrosia psilostachya DC. Prod. 5: 526. 1836. 
‘TyPE Locairy: ‘‘In Mexico, inter San Fernando et Matamoras.”’ 
Rance: 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. G@, acanthicar pa. 
Maritime species; prostrate perennials. 
Leaves 2 to 3 pinnately parted......... 2222222222222 eee 1. G. bipinnatifida 
Leaves cuneate-obovate, serrate or laciniate.................... 2. G. chamissonis. 
1. Gaertneria bipinnatifida (Nutt.) Kuntze, Rev. Gen. 1: 339. 1891. 
Franseria bipinnatifida Nutt. Trans. Am. Phil. Soc. 7: 344. 1840. 
Type LocaLity: ‘‘ Sea coast of Upper California, (St. Barbara, St. Diego, &e.)” 
RanGE: Seacoast, Washington to California. 
SPECIMENS EXAMINED: Ilwaco, Henderson, 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 Locaity: California, 
RANGE: Seacoasts, Washington to California. 
SPECIMENS EXAMINED: Shoalwater Bay, Cooper in 1854. 
ZONAL DISTRIBUTION: Humid Transition. 
3. Gaertneria acanthicarpa (Hook.) Britton, Mem. Torr. Club 5: 382. 1894, 
Ambrosia acanthicarpa Hook. Fl. Bor. Am. 1: 309. 1833. 
Franseria hookeriana Nutt. Trans. Am. Phil. Soc. 7: 345. 1840. 
Franseria acanthicarpa Coville, Contr. Nat. Herb, 4: 129, 1893. 
Type Loca.ity: “ Banks of the Saskatchewan and Red Rivers.” 
Rance: Washington to Saskatchewan, south to Arizona and Texas. 
SPECIMENS EXAMINED: West Klickitat County, Suksdorf, September, 1883; Fishhook 
Ferry, Leiberg 922; banks of Columbia River, Wenache, Whited 28; North Yakima, Watt, 
August, 1895; bluffs of the Columbia above Chelan River, Watson 211; Almota, Piper 1839, 
1837; Prosser, Cotton 630; Sunnyside, Cotton 755; Priest Rapids, Cotton 1390. 
ZONAL DISTRIBUTION: Upper Sonoran. 
ASTERACEAE. Aster Faminy. 
SYNOPSIS OF THE TRIBES. 
Anthers not caudate at base; style branches either truncate or tipped with 
an appendage. 
Heads rayless; style branches club-shaped, obtuse; flowers all perfect, 
never yellow. .......-..--.---. 22-2022 2 2 eee eee ee ee eee ee EUPATORIEAE. 
Heads radiate (rarely rayless). 
Style branches of perfect flowers flat, or tipped with a distinct 
appendage ; leaves mostly alternate......................... ASTEREAE, 
Style branches of perfect flowers truncate or appendaged, not flat- 
tened; leaves often opposite. 
Involucre not scarious. 
