96 ERYTHEA. 



.u- 



petiolar base, the apex mucroiiate: pubescence wholly hir- 

 sute, not dense: achenes hirsutulous: outer pappus conspic- 

 uous, unequal, varying upon the same achene from short and 

 setulose to long and paleaceous.— High mountains toward the 



Middle 



the writer, in 1889. 



17. C. stenophylla. C. luspida, yar, stenophylla, Gray, 

 PL Lindh. ii. 223 (1850). C. villosa, var. slenopliyllay Gray, 

 Syn. Fl. 123 (1884). Eemarkably distinct Texan species, 

 with hard woody root or caudex sending up rigid brittle stems 

 which in maturity are denudate below: leaves narrow, very 

 rigid, altogether hispid: heads few, small: inner pappus 

 deeply colored; outer nearly obsolete. 



18. €• Berlandieri. O. canescens^ Torr. k Gray, Fl. 

 ii. 256 (1842), not of DC. Prodr, v. 328 (1836). Aplopappus 



canescens, DC- 1. c. 349. Also peculiarly Texan, with shrubby 

 aspect, but very large, 3 to 5 feet high: canescently silky- 

 villous, the narrow leaves setose-ciliate toward the base: 

 heads small: achenes villous; outer pappus obscure. 



19. C. Rutteri, C. villosa^ var. Butteri, Eothr, "Wheeler 

 Eep. vi. 142 (1878). Tall, leafy throughout, not notably 

 brittle or shrubby-looking: canescent with a long and soft 

 villous pubescence: heads large, few or solitary. — Southern 

 Arizona and adjacent Mexico. 



20. 0. ECHioiDES, Benth, Bot. Sulph, 25 (1844). Stems 

 rigid and brittle, 1 to 3 feet high, branching and very leafy: 

 leaves small, oblong or lanceolate, rounded at base: whole 

 plant grayish with a dense rigid spreading and almost hispid 

 pubescence. Species making no near approach to any other 

 genuine Chvysopsis^ but connecting with O. {Ammodia) 

 rudis. — Sandy plains and gravelly banks of streams through- 

 out the low interior of California, coming out to the seaboard 

 at Bodega, the original station for it. 



