5^6 TRANS. ST. LOUIS ACAD. SCIENCE. 



Beckmannia erucseformis, (L.) Host, var. umflorus, Scrib. in Va- 

 sey, Desc. Cat. 1SS5. 



Escaped around station-house. 

 Panicum GLABRUM, (Schrad.) Gand. Agros. i. 1811. — Syntherisma 

 glabra^ Schrad. Fl. Germ. 1S06. 



Roadsides and sandy places; common. 

 P. -INGUINALE, L. Spec. 



Fields; common. 

 P. i'koliferum, Lam. Diet. iv. 



Roadsides and cultivated soil; common. 

 P. capillare, L. Spec. 



Fields ; common. 

 P. virgatum, L. Spec. 



Prairie: common. 

 P. EATTFOLIUM, L. Spec. 



Upland woods; frequent. 

 P. scoparium, Lam. Diet. iv. 



Prairie; common. 



One form is nearly smooth except the margins of the leaves; another is stouter, 

 with leaves, sheaths and spikelets hirsute. 



P. dichotomum, L. Spec. 



Prairie; common. 

 P. (rus-galli, L. Spec. 



Fields and waste places ; common. 

 Var. MimguM, Torr. 

 Damp places; frequent. 

 Setaria glauca. (L. ) Beauv. Agrost. 1812.— Panicum glaucum, 

 L. Spec. 



Fields; common. 

 S. viridis, (L.) Beauv. Agrost. 1812.— Panicum viride, L. Spec. 

 Fields; common. 



Some specimens with oblong, purplish spikes, are apparently hybrids with .S. 

 Italica. 



S. Italica, (L.) Kuuth, Gram, (ex Kuntk, Euum. i. 1).— Panicum 

 Italicum, L. Spec. 

 Abundantly escaped. 

 Cknchrus tribuloides, L. Spec. 



Sandy soil; not uncommon. 

 Homalocenchrus Virginica, (Willd.) Britt. Trans. N. Y. Acad. 

 Sci. ix. 1889. — Leersia Virginica, Willd. Spec. i. 

 Low ground ; abundant. 

 H. oryzoides, (L.) Poll. Euum. PI. Palat. \710>.— Phalari« or>/:oi- 

 des, L. Spec. — Leersia oryzoides, Swartz. Fl. Ind. Occ. i. 1 797- 

 Wet places; common. 

 Zl/ANTA AQUATICA, L. Spec. 

 Ponds; scarce. 



South of Shearer School ; Onion creek. 



