202 Botany of Nlincis and Missour;. 
Cyperus inflexus Muhl. Gram. 
Has. “Near St. Louis. July. 
Cyperus strigosus Muhl. Gram. 
Has. Margins of ponds, St. Louis. July. 
TRIANDRIA. DIGYNIA. 
The following grasses were found on the prairies near St. 
Louis, viz 
Leersia oryzoides Swartz & Muhl. July. 
Agrostis alba Lin, June. 
Alopecurus geniculatus Lin. June. 
Poa reptans Mich. 
Poa reptans, Var. coespitosa Torrey. June. 
Poa compressa Lin. May—June. 
Poa annua Lin. March—April. 
Elymus glaucifolius Muhl. July . 
Panicum latifolium Lin, May. 
Andropogon furcatum, M uh l. Gram, oc 
“PRIANDRIA, ‘TRIGYNIA. 
aie Mollugo verticillata Lin 
Has. On the prairies in Illinois and Missouri—commobe 
July 
Lechea major Lin, 
Has. Prairies near St. Louis. June, 
TETRANDRIA. MONOGYNIA. 
Cephalanthus occidentalis Lin 
Haz, Banks of the Mississippi at St. Louis. June. 
Galium cireezans Mich. Wet rounds, near 
Galium bermudianum Lin. St. Louis. May. 
' Houstonia minima.* 
Root annual? Stem 1 to 14 inches high, erect, simple, 
square, a little scabrous. Liane opposite, spathulate-ovate, 
