BOTANICAL REPORT. 
Catalogue of Plants collected on the Expedition. By Joun Torrey and Asa Gray. 
RANUNCULACEX. 
CLEMATIS DRUMMONDII, Torr. and Gray, Fl. 1, p. 9. On the upper Colorado, Texas; April. 
ANEMONE CanouiNIANA, Walt.; Torr. and Gray, Fl. 1, p. 12; Torr. in Marcy's Rep, t. 1. 
Delaware creek to the Sacramento, the Pecos, and the Colorado; March, April. 
MyosuRus minimus, Linn. Head of the Colorado; April. 
DELPHINIUM AZzUREUM, Micha. Fl. 1, p. 314. Western Texas; April. Broad-leaved varieties. 
BERBERID ACE E. 
BERBERIS TRIFOLIOLATA, Moricand; Gray, Pl. Lindh. 2, p. 149. Base of the Guadalupe 
mountains, New Mexico; March. 
PAPAVERACEA & FUMARIACE E. 
ARGEMONE Mexicana, Linn. Western Texas; April. 
CorYDALIs AUREA, Willd. Delaware creek to the Sacramento and Pecos; March. 
CRUCIFERZ. 
STREPTANTHUS PETIOLARIS, Gray, Pl. Fendl. p. 7. On the upper Colorado, Texas. 
STREPTANTHUS CARINATUS, Wright in Gray, Pl. Wright, 2, p. 11. Rocky hills on the Pecos, 
New Mexico; March. Smaller specimens than Wright's, and, like those, in flower only. 
GREGGIA cAMPORUM, Gray, Pl. Wright, 1, p. 9, t. 1. On the Pecos, &c.; March. In flower 
only. 
SISYMBRIUM CANESCENS, Nutt. Delaware creek to the Colorado; March, April. 
ERYSIMUM ASPERUM, DC.; Torr. and Gray, Fl. 1, p. 95. On the Pecos, Llano Estacado, and 
upper Colorado; March, April. 
DrrrHymdxA WisLrzENI, Engelm. in Wisl. N. Mex. p. 11; Torr. in Marcy's Hep. t. 2. On 
the Pecos, Llano Estacado, &c. 
Vestcarta GRACILIS, Hook. Bot. Mag. t. 3533; Gray, Pl. Lindh. 2, p. 148. On the Pecos, 
Llano Estacado, and upper Colorado; March, April. Except by its non-stipitate silicles, V. 
angustifolia, Nutt., is apparently undistinguishable from V. gracilis; and there is some reason 
to fear that this difference is not constant. 
VESICARIA GORDONI, Gray, l. c., p. 149. Llano Estacado; April. There is reason to fear 
that this also passes into the foregoing. 
VESICARIA ARGYRMA, Gray, Pl. Lindh. 2, p. 146. Between Delaware creek and the Pecos; 
March. Not yet in flower. 
