260 APPENDIX G. BOTANY. 



longioribus 2-4-floris ; sepalis ovatis obtusis. Witehita Mountains ; fl. 

 July 17 ; flowers as large as in C. panduratus, which the plant much 

 resembles, but differs in the form of the leaves, and in the broader and 

 more obtuse sepals. Named in honor of Dr. G. C. Shumard, the botan- 

 ical collector of the expedition. 



SOLANACE^E. 



Solanum flavidum, Torr. Ann. Lye. New York, 2, p. 227 ; Dunal 

 in DO. Prodr. 13, p. 375. Cache Creek; May. This species is not 

 suffrutescent, as is stated in the original description, but probably annual. 

 Mr. Wright found it on the Rio Grande. The prickles are sometimes 

 almost wanting. 



S. Carolinense, Linn. ; Torr., Fl. N. York 2, p. 105 ; Dunal, 1. c, 

 p. 305. Witehita Mountains and upper tributaries of the Red River; 

 May-June. 



Physalis pumila, Nutt., in Trans. Amer. Phil. Soc. (n. ser.) 5, p. 

 193. With the preceding; May-June. This species has been over- 

 looked by Dunal in DC. Prodr. 



SCROPHULARIACEiE. 



Castilleja purpurea, G. Don.; Benth., in DC. Prodr. 10, p. 531. 

 Euchroma purpurea, Nutt., 1. c., p. 180. Sources of the Trinity River ; 

 May. 



Pentstemon grandiflorus, Nutt., in Fras. Cat. 1813, and Gen. 2, 

 p. 53 ; Benth., 1. c, p. 322. P. Bradburii, Pursh, Fl. 2, p. 738. North 

 Fork of Red River ; fl. June 3. The pedicels vary from three lines to 

 nearly an inch in length. 



P. ambiguus, Torr., in Ann. Lye. N. York, 2, p. 228; Benth., 1. c, p. 

 321. Witehita Mountains ; June. This rare and well characterized 

 species has lately been found by Mr. Wright on the upper Rio Grande. 



P. Cob^a, Nutt., 1. c. ; Hook. Bot. Mag., t. 3465 ; Benth., 1. c, p. 

 326. Upper tributaries of the Red River ; May-June. 



P. pubesoens, Soland. ; Torr., Fl. N. York, 2, p. 35 ; Benth., 1. c. 

 Headwaters of the Trinity. Smoothish, with narrower and more entire 

 leaves than usual. 



