WOOTON AND STANDLEY—FLORA OF NEW MEXICO. 723 
1. Hymenothrix wrightii A. Gray, Pl. Wright. 2: 97. 1853. 
TyPE Locauity: ‘On hills between the Barbocomori and Santa Cruz, and on the 
side of the Chiricahui Mountains, Sonora.’’ 
RanGeE: Southern New Mexico and Arizona and southward. 
New Mexico: Hillsboro; Mogollon Creek; Dog Spring; Organ Mountains. Upper 
Sonoran and Transition zones. 
2. Hymenothrix wislizeni A. Gray, Mem. Amer. Acad. n. ser. 4: 102. 1849. 
TYPE LOCALITY: ‘Grassy places, Ojo de Gallejo, between El Paso del Norte and 
Chihuahua.” . 
RANGE: Southern New Mexico and Arizona and southward. 
New Mexico: Mangas Springs; Dog Spring; Organ Mountains; mesa west of Organ 
Mountains. Low hills and mesas, in the Lower and Upper Sonoran zones. 
102. LEUCAMPYX A. Gray. Witp cosmos. 
Perennial herb, in general appearance like Hymenopappus; involucre hemi- 
spheric, the bracts in 2 or 3 series, imbricate, broadly scarious at theapex; rays large, 
white; achenes cuneate, compressed, triquetrous; pappus none. 
1. Leucampyx newberryi A. Gray in Port. & Coult. Syn. Fl. Colo. 77. 1874. 
Type Loca.ity: ‘“‘New Mexico.” 
RanGE: Colorado to Arizona and New Mexico. 
New Mexico: Rio Pueblo; Santa Fe and Las Vegas mountains. Open parks and 
meadows in the mountains, in the Transition and Canadian zones. 
On Crews Mesa near Beulah Professor Cockerell found a form with pink rays. 
103. CHAENACTIS DC. 
Low annuals or perennials with alternate, pinnately dissected leaves and peduncu- 
late, solitary or cymose heads of flesh-colored flowers; receptacle flat, naked; heads 
rayless but the marginal flowers usually enlarged; achenes slender, pubescent; pap- 
pus of 4 lanceolate hyaline scales. 
KEY TO THE SPECIES, 
Perennial; divisions of the leaves pinnatifid or toothed...........-- 1. C. douglasii. 
Annual; divisions of the leaves mostly entire..............-2-0-+--- 2. C. stevioides. 
1. Chaenactis douglasii (Hook.) Hook. & Arm. Bot. Beechey Voy. 354. 1840. 
Hymenopappus douglasii Hook. Fl. Bor. Amer. 1: 316. 1830. 
Type LOCALITY: “Common on the barren dry sandy grounds of the Columbia, from 
the ‘Great Falls’ to the Rocky Mountains.”’ 
RANGE: Washington and Montana to California and New Mexico. 
New Mexico: Dulce (Standley 8204). Sandy slopes, in the Transition Zone. 
2. Chaenactis stevioides Hook. & Arn. Bot. Beechey Voy. 353. 1840. 
Type Locaity: ‘Snake country,’’ Idaho. 
RanGE: Idaho and Nevada to New Mexico and Arizona. 
New Mexico: Aztec; Mangas Springs; Tortugas Mountain; Organ Mountains. Dry 
plains and hills, in the Lower and Upper Sonoran zones. 
104. BAERIA Fisch. & Meyer. 
Low slender annual with opposite entire sessile leaves and slender-pedunculate 
terminal heads of yellow flowers; rays yellow, showy; involucre campanulate, of 
many narrow bracts, these somewhat carinate, at least below; achenes clavate-linear 
to linear-cuneate; pappus of 3 or 4 awn-bearing palez. 
