NO. 6 



SMITHSONIAN EXPLORATIONS, I914 



47 



which are new to the State. The lichens have been named by Mr. 

 G. K. Merrill. Nearly all of them are additions to the known flora 

 of New Mexico, and two of them are undescribed species. The 



Fig. 46. — Rock slide along the Rio Brazos. Photograph 

 by Standley. 



ferns of the Brazos Canyon region are particularly interesting. 

 Twelve species were collected, three of which were not known before 

 from the State. The season was too far advanced to find the flower- 



