PENTANDRIA M0N0GYNIA. 
m 
173. MENYANTHES. Gen. pi 299. 
X. M. foliis ternatis. JVilld. sp. pi. 1. p. 811. 
Icon. Engl. hot. 495. FI. dan. 541. Lam. illustr . t. ICO, 
/• 1 
In bogs and stagnant waters : New Jersey, Virginia, Ca- 
nada. If . . June, July. v.v. Flowers pale red, very 
handsome. 
174. VILLARS1A. Gmel.syst.veg.44J. 
l.V. foliis reniformibus subpeltatis, subtus lacunosis na- 
tantibus, petiolis floriferis, corollis glabris. Vent, 
choix de piant, p 9. 
V. aquatica. Gmel. syst. veg. 44 J . 
Menyanthes trachysperma. Midi. Jl. amer. 1. p. 126. 
Anonymos aquatica. IValt.jl. amer. 109. 
In ponds and lakes, floating : New Jersey to Carolina. 
% . June, July. v.v. Flowers white. 
1 
175. SPJGELIA. Gen. pi. 2J2. 
1. S. caule tetragono, foliis omnibus oppositis. Willd. 
Icon. hot. mag. 80. 
On the edges of woods, in rich moist soil : Maryland to 
Carolina. I/ .July, Aug. v.v. A beautiful peren- 
nial, with large scarlet Sowers. The roots are sold, 
under the name of Worm-grass or Pink-root, in the 
shops, and are really a most excellent medicine for 
children, when troubled with worms. 
176. OPHIORRHIZA. Gen. pi. 2J3. 
1 . O. caule acutangulo, foliis sessilibus, cyma longius pe- 
dunculata. Midi. Jl. amer. 1. p. 14S. Willd. sp. 
pl. 1. p . 82 6. 
Cynoctonurn sessilifolium. Gmel. syst. veg. 443. 
Anonymos sessilifolia. Walt.Jl. car. 108. 
jB.C. petiolatum. Gmel. & Anonymos petiolata. Walt. 
Icon. Swartz obs. t. 3 .f. 2. Lam. illustr. t. 107. jf 1. 
In dry gravelly fields, on wood sides: Lower Virginia 
to Carolina. I/. July. v. v. Flowers pale blue, small. 
I strongly suspect that Swartz’s plant and Michaux’s 
are two distinct species. 
trifolia ta*. 
lacunosa . 
marilandica. 
Mitreola . 
