life^7ANTHES. PENTANDRIA. lilONOGYNIAo 215 



at the base. Calyx about a third as long as the corolla ; seg- 

 ments obiong, obtuse. Corolla reddish-white, hairy on the up- 

 per side ; segments lanceolate, acute. Stamens about as long 

 as the corolla; anthers oblong, brown. Style elongated ; stigma 

 large, thick. 

 Hab. In shady swamps; common in New-Jersey. May. 



145. VILLARSIA. Gmelin, 

 Calyx 5-parted. Corolla rotate, 5-Iobed; segments 

 bearded at the base, with their margins inflected. 

 Glands (nectaries) 5, alternating with the stamens. 

 Stigma 2-lobed. Capsule 1-celled, 2-valved, many- 

 seeded. G me L Systt Veg. h p. 447. R. Br own 

 Prod. I. p. 457." Nutt. Gen, I. p. 120. Roem. 

 ^ Schult. Gen. 660» Menyanthes spp. L. 

 Nymphoides Totirn, Nat, Ord. Gentians /w^j. 

 (R. Br own. J 



Y. laamosa Vend: lesves reniform, subpeltate, slightly 

 crenate,' lacunose beneath ; petioles bearing the flowers; co- 

 rolla smooth. Vent, choix de plant, p, 10. P ur s h Ft. I. 

 p. 1 39. V. aqualka G meU\. c, Roerm^'Schul t. IV. 

 p. 180. V. trachjsperma Elliott Sk. I. p. 230/ Meny- 

 anthes trackyspernia M i c hi Fl. I. p. 126. Anoxymos 

 aquatica Walti Car. p« lO'J. 



Root perennial. Plant floating. Stem (or rather petioles) vftry 

 long, filiform, smooth. Leaves cordate-reniform, about an 

 inch in diameter, coriateous, obscurely crenate ; sinus at the 

 base narrow. Flowers somewhat umbellate, bursting from the 

 petiole near the leaf. Pedicels slender, unequal. Segments of 

 the calyx ovate-lanceolate. Corolla subcampanulate, yellowish 

 white, twice the length of the corolla, marcescent ; segments 

 oblong, obtuse. Filaments very short ; anthers sagittate, yel- 

 low. JVectaries hairy-pedicellate. Style very short ; stigma 

 slightly 2-lobed, glandular. Capsule ovate, nearly as long as 

 the calyx. Seeds scabrous. 



Hab. In ponds and lakes ; rarely in flowing water. Long- 

 Island and New-Jersey. In Crooked Pond, Plainfield, Massa- 

 chusetts. Porter. In Sand-Lake, near Albany, New- York. 

 Eaton. In Pennsylvania. Muhlenberg. 



Among the flowers there are frequently produced a number 

 of callous spur-shaped bodies, an inch or two in length, which 

 are reflected upon the petiole. With the nature of these I 

 am unacquainted. 



146. HOTTONIA. L, 

 Calyx 5-parted. Coralla hypocrateriform, 5-lobed. 

 Stamens seated upon the tube of the corolla. Stigma 



