APPENDIX G. BOTANY. 283 



Cnidoscolus stimulosus, Engel. and Gray, PI. Lindh. 1, p. 26. Jatropha 

 stimulosa, Michx. Fl. 2, p. 216 ; Ell. Sk. 2, p. 649. Cache Creek ; May 17. 



PLANTAGENACEiE. 



Plantago Virginica, Linn.: Torr. Fl. New York, 2, p. 16. Headwaters of 

 the Trinity, fl. May. 



P. gnaphaloides, Nutt. Gen. 1, p. 100 ; Hook. Fl. Bor.— Am. 2, p. 124 ; 

 Decaisne in DC. Prodr. 13, (Sact. 1,) p. 713. Mouth of the Big Medicine 

 River. 



POLYGONACEiE. 



Eriogonum longifolium, Nutt. in Trans. Amer. Phil. Soc. (n. ser.) 5, p. 

 164 ; Benth. Eriog. in Linn. Trans. 17, page 406. Witchita Mountains ; June. 



CHENOPODIACE^. 



Chenopodium subspicatum, Nutt. Gen. 1, p. 199? Middle Fork of Red 

 River. The specimens are without either flowers or fruit. Annual, diffuse, 

 and much branched ; clothed with whitish furfuraceous scales. Leaves con- 

 spicuously petiolate, broadly rhombic ovate, with one or two coarse teeth on 

 each side. 



Obioke canescens, Moq. Chenop., p. 74; and DC. Prodr. 13, (pars 2, )'p. 

 113 ; Torr., in Stansbury's Report, p. 395. 0. occidentalis, Moq. 1. c. Calli- 

 gonium canescens, Pursh, Fl. 2, p. 370. Jitriplex canescens, Nutt. Gen. 1, p. 197. 

 Common on the upper tributary of the Red River. 



NYCTAGINACEjE. 



Oxtbaphus akgustifolius, Torr., in Ann. Lye. N. York, 2, p. 237 ; Choisy, 

 in DC, Prodr. 13, (pars 2,) p. 433. Calymenia angustifolia, Nutt., in Fras. Cat. 

 1813, and Gen. 1, p. 26. Upper tributaries of Red River ; June. 



O. nyctagtneus, Torr., 1. c. ; Choisy, 1. c. Mlionia nyctaginea, Michx., Fl. 

 1, p. 100. Calymenia corymbosa, Nutt. in Trans. Amer. Phil. Soc. (n. ser.) 5, 

 p. 178; not Mirabilis corymbosa, Cav., in which the involucrum is one-flowered. 

 With the preceding ; May 28. 



