WOOTON AND STANDLEY — FLOKA OF NEW MEXICO. 725 



1. Achyropappus neomexicaniis A. Gray; Rydb. Colo. Agr. Exp. Sta. Bull. 100: 

 377. 1906. 



Schkuhria neomexicana A. Gray, Mern. Amer. Acad. n. ser. 4: 96. 1849. 



Bahia neomexicana A. Gray, Proc. Amer. Acad. 19: 27. 1883. 



Type locality: Margin of fields, Santa Fe, New Mexico. Type collected by 

 Fendler. 



Range: Colorado to New Mexico and Arizona. 



New Mexico: Pecos; Las Vegas; Santa Fe; Canyon Largo; Cubero; Chama River; 

 Willard; Hanover Mountain; Mogollon Mountains; White Mountains. Sandy soil, in 

 the Upper Sonoran Zone. 



In Rydberg's Flora of Colorado * the combination under Achyropappus is credited 

 to Dr. Gray, but this must be a slip of the pen, as we do not find that Dr. Gray ever 

 assigned the species to this genus. 



107. PLATYSCHKUHRIA (A. Gray) Rydb. 



Perennial herb, 20 cm. high or less, with a leafy stem bearing few long-pedunculate 

 heads of yellow flowers; leaves alternate, oblanceolate or oblong, nearly glabrous, 

 thick, entire; rays bright yellow, showy; achenes sparingly pubescent; pappus of 

 about 10 linear-lanceolate scales with excurrent costse. 



1. Platyschkuhria oblongifolia (A. Gray) Rydb. Bull. Torrey Club 33: 155. 1906. 



Schkuhria integrifolia oblongifolia A. Gray, Amer. Nat. 8: 213. 1874. 



Bahia oblongifolia A. Gray, Proc. Amer. Acad. 19: 27. 1883. 



Type locality: "San Juan," Utah or New Mexico. 



Range: Southern Utah and Colorado to northeastern Arizona and northwestern 

 New Mexico. 



New Mexico: Carrizo Mountains; Farmington. Dry hills and plains, in the Upper 

 Sonoran Zone. 



108. VILLANOVA Benth. & Hook. 



Stout, somewhat viscid, strong-scented annuals or biennials with alternate, twice 

 or thrice ternately parted leaves and small, loosely cymose-paniculate heads; involucre 

 hemispheric, yellow-flowered; rays oblong to obovate, yellow; achenes tetragonal- 

 ciavate, the palese of the pappus oblong to narrowly lanceolate, or wanting. 



KEY TO THE SPECIES. 



Pappus present 1 . V. biternata. 



Pappus wanting 2. V. dissecta. 



1. Villanova biternata (A. Gray) Woot. & Standi. 

 Bahia biternata A. Gray, PI. Wright. 2: 95. 1853. 



Type locality: Gravelly hills near Ojo de Gavilan, New Mexico. Type collected 

 by Wright (no. 1256). 



Range: Western Texas to southern New Mexico. 



New Mexico: Tucumcari; Albuquerque; mesa west of Organ Mountains. Dry 

 plains ami hills, in the Lower Sonoran Zone. 



2. Villanova dissecta (A. Gray) Rydb. Bull. Torrey Club 37: 333. 1910. 

 Amauria I ilissn-tn A. Gray, Mem. Amer. Acad. n. ser. 4: 104. 1849. 

 Villanova chrysanthcmoides A. Gray, PI. Wright. 2: 96. 1853. 



li'iliia clirgsaiiihemoides A. Gray, Proc. Amer. Acad. 19: 28. 1883. 

 Bahia dissecta Britton, Trans. N. Y. Acad. 8: 68. 1889. 



Type locality: A few miles east of the Mora River, New Mexico. Type collected 

 by Fendler (no. 537). 



'Colo. Agr. Exp. Sta. Bull. 100: 377. 1906. 



