274 APPENDIX G. — BOTANY. 



Eurytjenia Texana, Torr. and Gr., Fl. 1. p. 633. Main Fork of Red 

 River ; fr. June 11. This plant has hitherto been found only by the late Mr. 

 Drummond, who discovered it in Texas more than twenty years ago. It is an 

 annual, about two feet high ; the fine striae of the stern and branches are rough- 

 ened upward, with minute points. The umbels are compound and spreading. 

 Flowers minute. Petals white, broadly orbicular, waved on the margin, deeply 

 emarginate, with an inflexed point. Fruit about one-third larger than in Drum- 

 mond 's Texan specimen. 



RUBIACE^. 



Oldenlandia angustifolia, Gray, PI. Wright. 2, p. 68. Houstonia angus- 

 tifolia, Mich. Fl. 1, p. 85 ; Hedyotis stenophylla, Torr. and Gr., Fl. 2, p. 41. 

 Tributaries of the Main Fork of Red River ; fl. May— June. 



VALERIANCEJE. 



Fedia radiata, 0. leiocarpa, Torr. and Gr., Fl. 2, p. 52. Upper Red 

 River. 



COMPOSITE. 



Liatris sqcarrosa, Willd. ; Torr. and Gr., Fl. 2, p. 68 ; Sweet Fl. Gard., 

 t. 44. Tributaries of the Washita River ; fl. July 22—24. 



L. acidota, Engelm. and Gray, PI. Lindh., p. 10 ; Gray PI. Wright. 1, p. 

 83. L. mucronala, Torr. and Gr., Fl. 2, p. 70 ; not of DC. On the Wa- 

 shita ; July 27. 



Solidago ODORi, Nutt. ; Torr. and Gr., Fl. 2, p. 219. Witchita Moun- 

 tains ; July 16. 



S. Missouriensis, Nutt. in Jour. Acad. Philad. 7, p. 32, and Trans. Amer. 

 Phil. Soc. (n. ser.) 7, p. 327 ; Torr. and Gr., Fl. 2) p. 222. With the prece- 

 ding. 



Artemisa filifolia, Torr. in Ann. Lye. N. York, 2, p. 211 ; Torr. and Gr., 

 Fl. 2, 417. Upper tributaries of the Red River ; May. An abundant shrub, 

 of a grayish white aspect, with numerous branches, and crowded, slender 

 leaves. This is one of the numerous species called sage by the hunters. It is 

 found from the plains of the Upper Missouri to the Valley of the Rio Grande, 

 and west to the Colorado. 



