ERRATA 



Page 15, line 13, for Chrysopogon, read Sorghastrum. 



Page 18, line 3 from bottom of page, for C. umbellata bre- 



virostris, read C. umbellata brachyrhina. 

 Page 26, line 4, for Cogswellia Grayi read Cogswellia orientalis. 

 Page 27, line 22, for F. confinis, read F. Kingii. 



Line 12 for Agropyron Vaseyi, read Agropyron spicatum 

 inerme. 

 Page 31, line 2 from bottom of page, for Trisetum subspicatum, 



read Trisetum spicatum. 

 Page 33, line 14, same correction. 

 Page 39, line 8 from bottom of page, for Pseudocymopterus 



tenuifolius, read Pseudocymopterus multifidus. 

 Page 41, line 9, for Trisetum subspicatum, read Trisetum 



spicatum. 

 Page 42, line 6 from bottom of page, for Polemonium scopu- 



linum, read Polemonium pulcherrimum. 



