REPORT OF AN EXPEDITION DOWN THE ZUNl, ETC 155 



BOTANY. 



BY PROFESSOR JOHN TORREY. 



RANUNCULACE^. 



Clematis ligusticafolia, Nutt., inTorr. and Gray, Fl. l,p. 9; Gray PI. Fendl., 

 p. 3. San Francisco mountain ; October. 



Delphinium azureum, Michx. ; Torr. and Gray, 1. c. Zuni mountain : August : 

 and Laguna Encinatio ; October. 



Thalictrum Fendleri, Engelm., in PL Fendl., p. 5; Gray, PI. Wright. 2, p. 7. 

 Rio Zuni; August, (fern, plant;) Bill Williams's river, October. A very dis- 

 tinct species. 



BERBERIDACE.E. 



Berbcris pinnata, Lagasca, Eleuch., p. G ; Torr. in Emory's report, p. 136. 

 B.fascicularis, D. C. Syst. 2, p. 19. 



Southern border of New Mexico ; in fruit, October. Our specimens have much 

 smaller leaves than are represented in Delessert's figure, (Icon. 2, t. 3,) and the 

 leaflets are not more than three pairs. The same plant was collected by Fre- 

 mont in northern California, and by Emory on the highlands bordering the Gila. 



CRUCIFER/E. 



Tunitis patula, Graham ; Torr. and Gray, Fl. 2, p. 79 ; Gray, PI. Wright. 2, 

 p. 10. San Francisco mountain ; October, (fruit.) Dr. Gray states (1. c.) that 

 Streptanthus virgatus Nutt. is not distinct from this species. 



Vesicaria slenophylla, Gray, PI. Lindh., 2, p. 149, (adult.) Rio ZuSi ; Sep- 

 tember. 



Streptanthus linearif alius, Gray, PI. Fendl., p. 7 ; PI. Wright. 1, p, 7 ; PI. 

 Wright. 2, p. 10. Zuni mountain ; August. The root is perennial. The 

 flowers are quite showy. 



Thelypodium Wrightii, Gray, PI. Wright. 1 , p. 7, and 2, p. 12. Acoma ; August. 



Dithyrea Wislizcni, Engelm., in Wislizen. Mem. N. Max., p. 96 : Gray, PI- 

 Wright. 1, p. 10. Rio Zuni ; September. 



