WOOTON AND STANDLEY—FLORA OF NEW MEXICO. 657 
Plants not lepidote-scurfy. 
Heads all pedunculate; plants very slender... ... 4, G, filifolia. 
Heads mostly or at least partly sessile; plants stouter. 
Leaves linear, 2 to 6 cm. long. . 
Plants 30 cm. high or less, woody only at 
the base; involucres campanulate.. 5. G. diversifolia. 
Plants 50 to 100 cm. high, shrubby; in- 
volucres elongated-turbinate. ..... 6. G. longifolia. 
Leaves linear-filiform, mostly short. 
Plants low, 15 cm. high or less, densely 
branched; heads very numerous, 
dense; stems very slender......... 7. G. juncea. 
Plants more than 20 cm. high, sparingly 
branched; heads fewer, loosely ar- 
ranged; stems stout. ...........-- 8. G. tenwis. 
1. Gutierrezia sphaerocephala A. Gray, Mem. Amer. Acad. n. ser. 4: 73. 1849. 
Typ Locauity: ‘‘ Low prairie, from the Upper to the Middle spring of the Cimarron.” 
Rance: New Mexico and Arkansas to Texas, ~ 
New Mexico: Magdalena; Nara Visa; Palomas; Socorro; mesa west of Organ Moun- 
tains; Roswell; Artesia; Dayton; Carlsbad; Lake Valley. Plains, in the Lower and 
Upper Sonoran zones. 
2. Gutierrezia glomerella Greene, Pittonia 4: 54. 1899. 
TypE LocaLity: Organ Mountains, New Mexico. Type collected by Wooton (no. 
449). 
RANGE: Colorado and New Mexico to western Texas, 
New Mexico: Tunitcha Mountains; Gallup; Magdalena; Redrock; Magdalena 
Mountains; San Marcial; Deming; Mangas Springs; Organ Mountains; Guadalupe 
Mountains; Florida Mountains; Carlsbad; Fort Bayard; Orogrande; Albuquerque; 
Dayton. Dry plains and hills, in the Lower and Upper Sonoran zones. 
3. Gutierrezia furfuracea Greene, Repert. Nov. Sp. Fedde 7: 195. 1909. 
Type Locatiry: Cactus Flat, New Mexico. Type collected by E, A. Goldman 
(no, 1568). 
RanGeE: Southern New Mexico. 
New Mexico: Cactus Flat; Bishops Cap; Tortugas Mountain; Lake Valley. Dry 
plains and hills, in the Lower and Upper Sonoran zones. 
4. Gutierrezia filifolia Greene, Pittonia 4: 55. 1899. 
Type Locattry: Round Mountain, New Mexico. Type collected by Wooton in 
1897. 
Rance: Plains and foothills of New Mexico and western Texas. 
New Mexico: Santa Fe; Albert, Nara Visa; Dog Spring; near White Water; Rincon; 
Round Mountain; Roswell; Carlsbad. Upper Sonoran Zone. : 
5. Gutierrezia diversifolia Greene, Pittonia 4: 53. 1899. 
Typ Locauity: Laramie, Wyoming. 
Rance: Montana and Saskatchewan to Utah and New Mexico. 
New Mexico: Tunitcha Mountains; Park View; Johnsons Mesa; MoraCreek, Folsom; 
Raton; Hebron; Maxwell City. Plains and low hills, in the Upper Sonoran and 
Transition zones. 
6. Gutierrezia longifolia Greene, Pittonia 4: 54. 1899. 
Type LOCALITY: White Mountains, New Mexico. Type collected by Wooton (no. 
377). 
Rance: Colorado to New Mexico. 
52576°—15——42 
