982 MISC. PUBLICATION 42 3, U. S. DEPT. OF AGRICULTURE 



7. Achenes hirsutulous, especially toward the base; paleae of the 

 pappus lanceolate, acute or acuminate, the stout nerve reach- 

 ing the apex and usually excurrent 6. B. woodhousei. 



7. Achenes sessile-glandular only ; paleae of the pappus narrowly obo- 

 vate, blunt, the nerve disappearing below the apex. 



7. B. OPPOSITIFOLIA. 



1. Bahia oblongifolia A. Grav, Amer. Acad. Arts and Sci. Proc. 19: 



27. 1883. 



Schkuhria integrifolia var. oblongifolia A. Gray in Parry, Amer. 



Nat, 8: 213. '1874. 

 Platy schkuhria oblongifolia Rydb., Torrey Bot. Club Bui. 33: 



155. 1906. 



Carrizo Mountains, Apache County, dry hills (Standley 7363). 

 Southwestern Colorado or southeastern Utah, northwestern New 

 Mexico, and northeastern Arizona, July. 



2. Bahia dissecta (A. Gray) Britton, N. Y. Acad. Sci. Trans. 8: 68. 



1889. 



Amauria(1) dissecta A. Gray, Amer. Acad. Arts and Sci. Mem. 



ser. 2, 4: 104. 1849. 

 Bahia chrysanthemoides A. Gray, Amer. Acad. Arts and Sci. 



Proc. 19: 28. 1883. 

 Amauriopsis dissecta Rydb., North Amer. Fl. 34: 37. 1914. 



Apache County to Mohave County, south to Cochise and Pima 

 Counties, 5,000 to 9,000 feet, common in grassland and open pine 

 forests, August to October. Wyoming to northern Mexico and 

 Arizona. 



3. Bahia neomexicana A. Gray, Amer. Acad. Arts and Sci. Proc. 19: 



27. 1883. 



Schkuhria neomexicana A. Grav, Amer. Acad. Arts and Sci. 



Mem. ser. 2, 4: 96. _ 1849. 

 Cephalobembix neomexicana Rydb., North Amer. Fl. 34: 46. 



1914. 



Fort Whipple, Yavapai County (Palmer in 1869), between Kayenta 

 and Betatakin, Navajo County (Eastwood and Howell 6574), 5,300 to 

 7,100 feet, September. Colorado to New Mexico, Arizona, and 

 Chihuahua. 



*4. Bahia pedata A. Gray, PL Wright. 1: 123. 1852. 



Hills and rocky slopes, southwestern Texas, southern New Mexico, 

 and Arizona (according to Rydberg *), April to September. 



5. Bahia biternata A. Gray, PL Wright. 2: 95. 1853. 



Pinal Mountains, Gila County, among scrub oaks (Peebles et al. 

 3228), also in the Gila River bed near Sacaton, Pinal County (Harrison 

 1912), where doubtless carried byfloodwater from higher elevations. 

 Western Texas to central Arizona and Sonora, May to October. 



1 Eydberg, P. A. north American flora 34: 1915. (See p. 36.) 



