138 
456. Wendlandia populifolia Wild.—Androphylaxscan- 
dens Wendland.—Menispermum carolinianum 
Walter. (Cissampelos smilacina Wild. !) On the 
Mississippi. 
457. Menispermum dubium Mg. Cat. perhaps the M. 
lyoni of Pursh. On the Mississippi. 
458. Salix Washitana Mg. Cat. On the Washita. 
459. Bivonea stimulosa Raf. In Mirror of Sciences.—* 
Jatropha stimulosa Mich. Pursh. Sea-shore of 
Louisiana. 
CLASS II.—MESOGYNIA. 
Stem or caudex vascular and fibrous, vessels and 
fibres in concentrical layers, surrounding a central 
pith or hollow. 
Flowers, with one or many ovaries, unconnected 
with the perigone. Stamina constantly inserted on a. 
peripetal corolla, (monopetalI) 
Bodies with a root and caudex , commonly a stem , 
seldom woody , often branched , always with leaves or 
scales , and conspicuous flowers, fruity and seeds : ger¬ 
mination commonly isocotyle , dicotyle, and opposite . 
460. Lithospermum apulum! L.—Pursh. On the Mis¬ 
sissippi. 
461. Hydrophyllum pusillum Mg. Cat. In Louisiana,, 
undescribed, perhaps the H. tribolum FI. sp. 91 ? 
462. Scutellaria cordifolia Mg. Cat. Undescribed, om 
