CONTENTS. 



CHAPTER I. 

 List and description of the plants collected, by John Torrey, M. D. 



CHAPTER II. 

 Synoptical tables of botanical localities, by Thomas Antisell, M. 1> 



CHAPTER III. 

 Description of the plates, by John Torrey, 31. D. 



LIST OF PLATES 



Plate I. Janusia Gracilis. 



Plate II. Styphonia Integrifolia et var. serradi 



Plate III. Dalea Spinosa. 



PiATE IV. Hosackia Puberula. 



Plate V. Olaeya Tesota. 



Plate VI. Aplopappus sphasrocephaluB. 



Plate VII. Menodora scabra. 



Plate VIII. Centrostegia Tliurberi. 



