Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean: Vol. 7, Pt. 4

CHAPTER I.
LIST AND DESCRIPTION OF THE PLANTS COLLECTED.
BY JOHN TORREY, M. D.
RANUNCULUS CALIFORNICUS, Benth. Pt. Hartw. p. 295. Santa Clara to Los Angeles; February to March. The sepals of this species are frequently partly or entirely white.
DELPHINIUM DECORUM, Fisch. & Mey. Index sem. (3) Tetrop. p. 33. Cajon Pass; April.
PAEONIA BROWNII, Dougl. in Hook. Fl. Bor.-.Amer. 1, p. 27. P. californica, utt. in Torr.
& Gray, Fl. 1, p. 664. In the dried specimens the lower surface of the leaves is of a much
lighter green color than the upper.
ARGEMONE HISPIDA, Gray, Pt. Fendl. p.5. Burro mountains, New Mexico; August. The
specimens seem to confirm the characters of this species.
-ESCHSCHOLTZIA CALIFORNICA, Hook & Arn.; Torr. & Gray, Fl. 1, p. 664. Santa Barbara
and San Diego; February and March. Variable in the size of the flowers. This is the well
known "Californian Poppy," now a common plant in gardens.
ESCHSCHOLTZIA DOUGLASIr, Hook. & Arn.; Torr. & Gray, 1. c. Valley of the Salinas river,
California; November. The only specimen has a thick ligneous root, like a perennial, which
is often seen in the autumnal state of this plant.
DENDROMECON RIGIDUM, Benth.; Torr. & Gray, Fl. 1, p. 64. San Diego; May, (flowers
and fruit.) A low and rather ornamental shrub.
PLATYSTEMON CALIFORNICUM, Benth.; Torr. & Grcay, Fl. 1, p. 65. Tulare valley and San
Bernardino; April.
PLATYSTEMON CALIFORNICUM, var. LEIOCARPUM, Torr. & Gray, 1. c. Los Angeles and San
Isabel; March-May. Pedicels and calyx very villous, with long white hairs.
NASTURTIUM CURVISILIQUA, Nutt. in Torr. & Gray, Fl. 1, p. 73. San Jos6; November, (in
fruit.)
CARDAMINE ANGULATA, Hook.; Torr. & Gray, Fl. 1, p. 84. C. paucisecta, Benth. P1. Hartw.
p. 297. Santa Barbara; January.
SISYMBRIUM CANESCENS, Nutt.; Torr. & Gray, Fl. 1, p. 92. Santa Barbara county; February, (in flower.)
ERYSIMUM ASPERUM, DC.; Torr. & Gray, Fl. 1, p. 96. Puerto del Dado, New Mexico;
July.
ERYSIMUM ASPERUM, var. ELATUM. E. elatum, Nutt. in Torr. & Gray, 1. c. Santa Inez;
January. S. arkansanum, Nutt., is another form of this variable species.
SISYMBRIUM DEFLEXUM, Harvey Mss.; Torr. in Whipple's Rep. Santa Clara valley; February.