WOOTON AND STANDLEY—FLORA OF NEW MEXICO. 731 
Leaves loosely villous or glabrate. 
Stems and involucres copiously lanate or villous.10. T. lanata. 
Stems and usually the involucres appressed- 
pubescent. 
Branches of the caudex abundantly villous, 
the hairs at first white, later brown...11. 7. crandallii. 
Branches of the caudex little or not at all 
villous. 
Leaf bases several times broader than 
the linear blades................. 12. T. linearis. 
Leaf bases not wider than the usually 
oblanceolate, at least linear-ob- 
lanceolate, blades. 
Leaves oblanceolate, thick, dull 
green; bracts slightly shorter 
than the disk............... 13. T. glabriuscula. 
Leaves linear-oblanceolate, thin, 
bright green; bracts one- 
fourth shorter than the disk..14. 7. angustifolia. 
1. Tetraneuris linearifolia (Hook.) Greene, Pittonia 3: 269. 1897. 
Hymenoxys linearifolia Hook. Icon. Pl. 2: pl. 146, 1838. 
Actinella linearifolia Torr, & Gray, Fl. N. Amer, 2: 383, 1842, 
Type LocALITY: San Felipe, Texas. 
RanGeE: Louisiana to Texas and southeastern New Mexico. 
New Mexico: Artesia (Wooton). Plains and low hills, in the Upper Sonoran 
Zone. 
2. Tetraneuris argentea (A. Gray) Greene, Pittonia 3: 269. 1897. 
Actinella argentea A. Gray, Mem. Amer. Acad. n. ser. 4: 100. 1849. 
Tyrr LocaLity: Hills around Santa Fe, New Mexico. Type collected by Fendler 
(no. 457). 
Rance: New Mexico. 
New Mexico: Sandia Mountains; Hop Canyon; Datil; Horse Spring; Santa Fe; 
Las Vegas. Low plainsand hills, in the Upper Sonoran Zone. 
8. Tetraneuris ivesiana Greene, Pittonia 3: 269. 1897. 
Typr LocaLity: On the Rio Zuni, New Mexico. Type collected by Woodhouse in 
1851. 
Rance: Northwestern New Mexico and northeastern Arizona. 
New Mexico: Carrizo Mountains; Cedar Hill; Dulce; Gallup; Fort Wingate; Aztec; 
Tunitcha Mountains. Plainsand dry hills, in the Upper Sonoran Zone. 
4. Tetraneuris formosa Greene, Contr. U. 8. Nat. Herb. 16: 192. 1913. 
Type Locatiry: Dry hills near Kingston, Sierra County, New Mexico. Type col- 
lected by Metcalfe (no. 1235). 
Rance: Mountains of western New Mexico. 
New Mexico: Kingston; Magdalena Mountains. 
5. Tetraneuris leptoclada (A. Gray) Greene, Pittonia 3: 269. 1897. 
Actinella leptoclada A. Gray, U.S. Rep. Expl. Miss. Pacif. 4: 107. 1856. 
Type LOCALITY: Mountains and rocky places near Santa Antonita, New Mexico. 
Type collected by Bigelow. 
RanaeE: Southern Colorado to northern New Mexico and Arizona. 
New Mexico: Santa Antonita; Stanley; Holy Ghost Creek; Pecos; mountains near 
Grants Station. Dry plainsand hills, in the Upper Sonoran Zone. 
