CHAPTER I. 



LIST AND DESCRIPTION OF THE PLANTS COLLECTED. 



BY JOHN TORREY, M. D, 



Kanuncdlus californicus, Bentli. PI. Hartw. p. 295. Santa Clara to Los Angeles ; Febru- 

 ary to Marcti. The sepals of this species are frequently partly or entirely white. 



Delphinium decorum, Fiscli. & Mey. Index sem. (3) Tetrop. p. 33. Cajon Pass ; April. 



Paeonia Brownii, Dougl. in Hook. Fl. Bor.-Amer. 1, p. 27. P. californica, Nutt. in Torr. 

 & Gray, Fl. \,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, PI. Fendl. p. 5. Burro mountains, New Mexico ; August. The 

 specimens seem to confirm the characters of this species. 



EscHSCHOLTZiA CALIFORNICA, Hoolc & Am.; ToTV . & 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 DouGLASii, Hook. & Am.; Torr. & Gray, I. 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. 



Plattstemon californicum, Benth.; Torr. & Gray, Fl. 1, p. 65. Tulare valley and San 

 Bernardino ; April. 



Platystemon californicum, var. leiocarpdm, Torr. & Gray, I. 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 Jose ; November, (in 

 fruit.) 



Cardajune angulata, Hook.; Torr. & Gray, Fl. 1, p. 84. C. paucisecta, Benth. PI. Hartw. 

 p. 297. Santa Barbara ; January. 



Sisymbrium canescens, Nutt.; Torr. & Gray, Fl. 1, p. 92. Santa Barbara county ; Febru- 

 ary, (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. cfc Gray, I. 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 ; Feb- 

 ruary. 



