Botany of Illinois and Missouri. 261 
s. This species can be distinguished by the surfaces 
and texture of its leaves; and by the shortness of the teeth 
of the calyx, which are almost obscured by the dense hairs at 
the throat, 
Monarda ciliata Pursh & Willd. 
Has. Banks of Riviere des Peres, five miles west of St, 
Louis. July. Some of the specimens have lanceolate 
leaves, on petioles of from half an inch to three-fourths of an 
inchin length, They should, perhaps, constitute a new spe- 
cies. + 
Circeza canadensis Mu hi. Cat. 
Has. Woods on the banks of the Mississippi—common. 
une. 
TRIANDRIA. MONOGYNIA. 
| Fedia radiata Mich. 7 
Hap. Onthe banks of the Mississippi. April—May. 
Iris versicolor Lin., Var. sulcata Torrey. 
Has. Swamps a mile west of St. Louis—abundant. May. 
Sisyrinchium bermudianum ? 
central cusp. : 4 
Has. On the rocky banks of the Mississippi, nearly op- 
posite to the mouth of the Missouri river—lIlinois. April. 
Scirpus pendulus Muh l. Gram. ? 
Has. Borders of ponds, west of St. Louis. June. 
be a Scirpus acicularis Lin. 
Hag. In similar situations with the last. June. 
Dulichium spithaceum Pers. 
Has. Banks of the Merrimack river, sixteen miles south 
of St. Louis. June. 
