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. T. 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 



ob lanceolate, 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. T. angustifolia. 



1. Tetraneuris linearifolia (Hook.) Greene, Pittonia 3: 269. 1897. 

 Hymenoxys linearifolia Hook. Icon. PI. 2: pi. 146. 1838. 

 Actinella linearifolia Torr. & Gray, Fl. N. Amer. 2: 383. 1842. 

 Type locality: San Felipe, Texas. 



Range: 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. 



Type locality: Hills around Santa Fe, New Mexico. Type collected by Fendler 

 (no. 457). 



Range: New Mexico. 



New Mexico: Sandia Mountains; Hop Canyon; Datil; Horse Spring; Santa Fe; 

 Las Vegas. Low plains and hills , in the Upper Sonoran Zone. 



3. Tetraneuris ivesiana Greene, Pittonia 3: 269. 1897. 



Type locality: On the Rio Zuni, New Mexico. Type collected by Woodhouse in 

 1851. 



Range: Northwestern New Mexico and northeastern Arizona. 



New Mexico: Canizo Mountains; Cedar Hill; Dulce; Gallup; Fort Wingate; Aztec; 

 Tunitcha .Mountains. Plains and dry hills, in the Upper Sonoran Zone. 



4. Tetraneuris formosa Greene, Contr. U. S. Nat. Herb. 16: 192. 1913. 



Type locality: Dry hills near Kingston, Sierra County, New Mexico. Type col- 

 lected by Metcalfe (no. 1235). 

 Range: Mountains of western New Mexico. 

 New Mexico: Kingston; Magdalona 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. 



Range: Southern Colorado to northern New Mexico and Arizona. 



New Mexico: Santa Antonita; Stanley; Holy Ghosl ('reek; Pecos; mountains near 

 Grants Station. Dry plains and hills, in the Upper Sonoran Zone. 



