276 APPENDIX G. — BOTANY. 



Actinella linearifolia, Toit. and Gr., Fl. 2, p. 383. Hymenoxys lineari- 

 folia', Hook. Witchita mountains ; May 30. 



Marshallia caespitosa, Nutt. in DC. Prodr. 5, p. 680 ; Hook. Bot. Mag. 

 t. 3704 ; Torr. and Gr., Fl. 2, p. 391. Headwaters of the Trinity river ; 

 May. 



Aphanostephus ramosissimus, DC. Prodr. 5, p. 310 ; Gray, PI. Wright. 1, 

 p. 93. Ji. Riddellii, Torr. and Gr. Fl. 2, p. 189. Egletes ramosissima, Gray, 

 PI. Fendl., p. 71. Little "Witchita and upper tributaries of Red River ; May — 

 June. The tube of the disk flowers is indurated in all the specimens. 



Engelmannia pinnatifida, Torr. and Gr., in Nutt. Trans. Am. Phil. 

 Soc. (n. ser.) 7, p. 343 ; and Fl. 2, p. 283. Witchita Mountains ; May 30. 



Melampodium cinereum, DC. Prodr. 5, p. 518 ; Gray, PI. Fendl., p. 78; 

 M ramosissimum, DC. 1. c, Torr. and Gr. Fl. 2, p. 271. M. lencanthim, Torr. 

 and Gr. 1. c. Cache Creek ; June 21. A variable species. 



Chrysopsis canescens, Torr. and Gr., Fl. 2, p. 256 ; Gray, PI. Fendl., p. 

 77. Main Fork of Red River ; July 8. 



C. hispida, Hook. Fl. Bor.— Am. 2, p. 22, (under Diplopappus ;) DC. Prodr. 

 7, p. 279 ; Torr. and Gr. 1. c. 



Centaurea Americana, Nutt. in Jour. Acad. Phil. 2, p. 117 ; Bart. Fl. 

 Amer.— Sept., t. 50 ; Torr. and Gray, Fl. 2, p. 453. Tributaries of the upper 

 Red River ; June — July. 



Cirsium undulatum, Spreng. ; Torr. and Gr., Fl. 2, p. 456. With the pre- 

 ceding. 



Ptrrhopappus Carolinianus, DC. Prodr. 7. p. 144 ; Nutt. in Trans. Amer. 

 Phil Soc. (n. ser.) 7, p. 430. Headwaters of the Trinity and on Cache Creek ; 

 May. 



Lygodesmia juncea, Don.; Hook. Fl. Bor. — Am. 2, p. 295, t. 103; Torr. 

 and Gr., Fl. 2, p. 484. Upper tributaries of the Red River; June. The lower 

 branches are covered at the base with tubers or galls, about the size of cherry- 

 stones, produced by the stings of insects. 



