C0N8PECTU8. 341 



64. Andropogon, L. Beard-Grass. Species 5. 



65. Sorghum, Pers. Broom-Corn. Species: 



Sorghum nutans, Gray. Indian Grass. 

 {Andropogon, Wood.) 



In the § § of the Key, pointing out the genera of Grasses, 

 the student will notice quotations on the left hand. The Ro- 

 man numerals indicate the engravings in the respective ta- 

 bles appended to Gray's and Wood's Manuals, and the Ara- 

 bic ones the place of the genus in the order of grasses, as it 

 is given by each author. 



