258 Botany of Ulinois and Missouri. 
DIANDRIA. MONOGYNIA. 
Ligustrum vulgare La 
Ozss. This shrub attains the height fi seven or él ight feet, 
on rat prairies, near St. Louis. It is doubtful whether it is e 
nativ Dr. Torre y, inhis Flora of the Northern and Mid- 
dle States, says that itis introduced from Europe; but its 
situation near St. Louis, appears to be such as to lead to a 
contrary opinion. It flowers early in May. 
. Veronica porn cag Lin 
ABs On the banks of cree Ss, near St. Louis—common, 
It enol in May. 
Le ept tandra virginica Nu utt. 
Eas. Prairies near St. Louis—rare. June. 
Gratiola missouriana.* 
Root ime us, perennial. Stem erect, simple or sparingly 
beancheds pee from 4.to 6 inches high. Leaves narrow- 
lanceolate, connate at base, toothed near the apex, opposite. 
Peduadelaieiaticii rarely opposite, longer than the leaves. 
Bracts: Tonger than the ‘calyx. Segments of the calyx 
linear-lanceolate, unequal, more thar half the length of the 
tube ‘of the core Corolla yellow ; tube slightly curved. 
Filaments two, of the length of the tube. Capsule sovate, 
acute, shorter than the calyx. Whole plant viscid-pubes- 
cent. 
Oss. This plant differs from G. ip L. in the follow- 
ing particulars—viz. Its habit is more slender—leaves nar- 
rower, and but sparingly toothed at the summit—calyx 
leaves and peduncles longer—capsule smaller and more 
te. 
“Has. On the alluvion of the eee, river, near St. 
Louis. June. 
siheatfa dilatata Muh 1. 
Li 7 
Haz. Ynundated banks of the Mississippi, at St Louisand 
ly. 
elsewhere. 
tI have, with few exceptions, omitted ” heads as these may be 
found in the works of Pursh, Torrey, and others 
