152 MISSOURI BOTANICAL GARDEN. 



157. Aristida oligantha Michx. 



Only found in St. Francois county. Sept. 



158. Aristida purpurascens Poir. 



Sandy prairies of Dunklin and Stoddard counties. 



Sept. 



159. Aristida ramosissima Engelin. 



Common in sandy ground in Dunklin and St. Fran- 

 cois counties. Sept. 



160. Erianthus contortus Ell. 



Sandy prairies of Dunklin county. Sept. Culms 

 tall, commonly from twelve to sixteen feet high. 



161. Leersia lenticularis Michx. 



Abundant in the swamps of Dunklin and New 



Madrid counties. Sept. 



162. Leersia oryzoides (L.) Poll. 



Common in swamps in Dunklin county. Sept. 



163. Leptochloa mucronata Kunth. 



Sandy prairies of Dunklin county. Sept. 



164. Panicum agrostoides Muhl. 



Abundant in swamps of New Madrid and Dunklin 

 counties. Sept. 



165. Panicum anceps Michx. 



Common in sandy ground in Dunklin and St. 



Francois counties . Sept. 



166. Panicum autumnale Bosc. 



Common on the sandy prairies of Dunklin county. 



Sept. 



167. Panicum capillare campestre Gattinger. 



Sandy ground in St. Francois county. Sept. 



168. Panicum filiforme L. 



Abundant in Dunklin, and tolerably common in St. 

 Francois county. Sept. 



169. Panicum hians Ell. 



Common along the sandy banks of the St. Francois 



River in Dunklin county. Sept. 



170. Panicum microcarpon Muhl. 



Sandy ridges in Dunklin county. Sept. 



