WOOTON AND STANDLEY— FLOKA OF NEW MEXICO. 715 



Pappus of a few palese or slender awns. 



Pappus inconspicuous, a crown of 4 or 5 connate scales; 



heads in dense clusters, nearly sessile 3. P. angustifolia. 



Pappus of 2 or 3 rigid awns and a few interposed small 



scales; heads few, long-pedunculate 4. P. filipes. 



1. Pectis prostrata Cav. Icon. PI. 4: 12. pi. 324. 1797. 

 Chthonia prostrata Cass. Diet. Sci. Nat. 9: 173. 1817. 

 Type locality: "Habitat in Nova-Hispania." 



Range: Western Texas to southern Arizona, south through tropical America. 

 New Mexico: Gila Hot Springs; Mangas Springs; Organ Mountains. Plains and 

 low hills, in the Lower and Upper Sonoran zones. 



2. Pectis papposa A. Gray, Mem. Amer. Acad. n. eer. 4: 62. 1849. 

 Type locality: "California." 



Range: Southern California to Utah and New Mexico. 



New Mexico: Mesa near Las Cruces; Mesilla Valley. Dry plains and low hills, in 

 the Lower Sonoran Zone. 



3. Pectis angustifoHa Torr. Ann. Lye. N. Y. 2: 214. 1828. 

 Pectis papposa sessilis Jones, Contr. West. Bot. 12: 46. 1908. 

 Tyi'e locality: "On the Rocky Mountains." 



Range : Colorado and Kansas to Arizona and western Texas, south into Mexico. 



New Mexico: Zuni; Canyon Largo; Santa Fe; Albuquerque; Cerrillos; Las Vegas; 

 Mountainah-; Gallinas Mountains; Clayton; Nara Visa; Bear Mountains; Fort Bayard; 

 San Marcial; Graham; Guadalupe Canyon; Santa Rita; Organ Mountains; Tortugas 

 Mountain ; Gray; Roswell. Plains and low dry hills, in the Lower and Upper Sonoran 

 zones. 



4. Pectis filipes A. Gray, Mem. Amer. Acad. n. ser. 4: 62. 1849. 

 Type locality: "California." 



Range: Western Texas to southern Arizona. 



New Mexico: Carlisle; Burro Mountains; Mangas Springs; Gila Hot Springs; 

 Fort Bayard; Dog Spring; Guadalupe Canyon. Dry hills and mesas, in the Lower 

 and Upper Sonoran zones, 



86. NICOLLETIA A. Gray. 



Low perennial herb with alternate, pinnately parted leaves and large heads of 

 purple or flesh-colored flowers; involucre of 8 or 9 distinct bracts, oblong or cylindric; 

 receptacle naked; achenes linear-filiform; pappus double, tlie outer of numerous 

 capillary bristles, the inner of 5 lanceolate hyaline awned scales. 



1. Nicolletia edwardsii A. Gray, PI. Wright. 1: 119. pi. 8. 1852. 



Type locality: Near Guajuquilla, Chihuahua, Mexico. 



Range: Western Texas and southern New Mexico to Mexico. 



We have seen no specimens of this from within our limits, but Doctor Gray reported 

 specimens from New Mexico. 



87. BOEBERA Willd. Fetid marigold. 



Diffusely branched, strong-scented annual with opposite, finely dissected leaves 

 and small heads of yellow flowers; rays few, short; involucre campanulate, of 8 to 10 

 appressed oblong bracts with a few narrow shorter outer ones; achenes narrowly 

 obpyramidal, 3 to 5-angled, pubescent; pappus of about 10 scales, divided to below 

 the middle into stiff capillary bristles. 



