32 I ] FLORA OF BOULDER^ COLORADO 1 73 



Order 30. OPUNTIALES. 

 Family 74. LOASACEAE Reichenb. Loasa family. 



288. NUTTALLIA Raf. Western star. 



705. N. multiflora (Nutt.) Greene [Mentzelia multiflora 

 (Nutt.) Gray; Touterea multiflora (Nutt.) Rydb.] 

 Many-flowered western star. 



Common on the plains, mesas, and foothills, 5100-8000 ft. 

 (Daniels, yy). 

 Texas to Colorado, Arizona and Mexico. 



706. N. speciosa (Osterh.) Greene [Mentselia speciosa 

 Osterh. ; Touterea speciosa Osterh.]. Showy western 

 star. 



Near Boulder; also between Sunshine and Ward (Ryd- 

 berg). 



Wyoming to Colorado. 



707. N. sinuata (Rydb.) Daniels. Nov. comb. [Touterea sinii- 

 ata Rydb.]. Wavy-leaved western star. 



At Boulder the type-locality (Rydberg). 

 Colorado. 



708. N. nuda (Pursh) Greene [Mentselia nuda (Pursh) T. & 

 G. ; Touterea nuda (Pursh) Eat. & Wr.]. Naked wes- 

 tern star. 



At Boulder (Rydberg). 



Nebraska to Wyoming and Colorado. 



709. N. stricta (Osterh.) Greene [Hesperaster strictus 

 Osterh.]. Strict western star. 



Along the Union Pacific Railroad, the flowers as large as 

 in the next, but the outer filaments dilated, 5200-5400 ft. 

 (Daniels, 678). Also at Lyons (Rydberg). 



Nebraska to Wyoming; Texas to Colorado. 



710. N. decapetala (Pursh) Greene [Bartonia decapetala 

 Pursh; Mentselia decapetala (Pursh) Urb. & Gilg. ; M. 



