BOTANICAL REPORT 
Catalogue of Plants collected on the Expedition. By John Torrey and Asa Gray. 
RAHUHCTJL ACEiE. 
Clematis Drummondii, Torr. and Gray, FI. 1, p. 9. On the upper Colorado, Texas; April. 
Anemone Caroliniana, Walt.; Torr. and Gray, FI. 1, p. 12; Torr. in Marcy’s Bep. t. 1. 
Delaware creek to the Sacramento, the Pecos, and the Colorado; March, April. 
Myosurus minimus, Linn. Head of the Colorado; April. 
Delphinium azureum, Michx. FI. 1 , p. 314. Western Texas; April. Broad-leaved varieties. 
BERBERID ACEiE. 
Berberis trifoliolata, Moricand; Gray, PI. Lindh. 2, p. 142. Base of the Guadalupe 
mountains, Hew Mexico; March. 
PAP AVER ACEiE & FUMARI ACEiE. 
Argemone Mexicana, Linn. Western.Texas; April. 
Corydalis aurea, Willd. Delaware creek to the Sacramento and Pecos; March. 
CRJJCIFERiE. 
Streptanthus petiolaris, Gray, PI. Fendl. p. 7. On the upper Colorado, Texas. 
Streptanthus carinatus, Wriglit in Gray, PI. Wriglit, 2, p. 11. Rocky hills on the Pecos, 
Hew Mexico; March. Smaller specimens than Wright’s, and, like those, in flower only. 
Greggia camporum, Gray, PI. 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, FI. 1, p. 95. On the Pecos, Llano Estacado, and 
upper Colorado ; March, April. 
Ditthyrzea Wislizeni, Engelm. in Wist. N. Mex: p. 11; Torr. in Marcy’s Rep. t. 2. On 
the Pecos, Llano Estacado, &c. 
Vesicaria gracilis, Book. Bot. Mag. t. 3533; Gray, PI. 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 argyr^ia, Gray, PI. Lindh. 2 ,p. 146. Between Delaware creek and the Pecos; 
March. Hot yet in flower. 
