hos 
. 120 PENTANDRIA. MONOGYNIA. 
i188. MENYANTHES. L. (Buckbean. Marsh 
Trefoil.) 
Calix 5-parted. Corolla funnel-formed; bor- 
der spreading, 5-lobed, equal, densely villous 
on the upper side, Stigma bifid. Capsule 1- 
celled, 2-valved; a seminal receptacle attached 
to each valve. , aa 
Herbaceous, aquatic, leaves ternate, alternate, petiole 
sheathing. ee 
Species. 1. M. trifoliata. re genus ofa single spe- 
cies, common boih to Europe and North America. “ Bit- 
ter and sudorific.” Sutra. Flor. Brit. i. p. 226. 
184 VILLARSIA. Gmelin. " 
~~ Calix 5-parted. Corolla rotate, 5-lebed, seg- 
ments bearded at the base, with the margins 
inflected. Stigma 2-lobed. Glands 5, alternating 
with the stamina, Capsule 1-celled, valveless. 
Floating aquatic herbs; with alternate entire leaves, and 
clusiers of pedunculate flowers, apparently bursting from 
the sheathing petioles. 
Species. 1. P. lacunosa, (Menyanthes trachysperma, 
Micu.) 2. cordata, ELuiorT. 
~ 185. HOTTONIA, L. (Water-feather.) : 
Calix 5-parted., Corolla salverform, 5-lobed. 
Stamina seated upon the tube of the corolla. 
_ Stigma globular. Capsule 1-celled, globose, acu- 
_ minate, 
a 
Aquatic herbs; leaves verticillate, pec'inately pinnatifid, 
ifid or inyply serrate; flowers solitary, axillary, or 
nd yerticillately spiked, involucrum under each 
: Does this plant really germinate 
ie 
