174 
HEXANDRIA, TRIGYNIA. 
H. erythrosperma, Mich. 
H. Iseta, Ait. 
Melanthium Isetum, Willd. 
M. Muscsetoxicum, Walt. 
M. phalangioides, Lamark. 
Anthericiim subtrigynum, Jacq. ic. rar. £. t. 419. 
(Pursh.) 
Channelled-leaved Helonias. 
A very handsome plant, with white flowei-s. In a swampy 
thicket west of M'Mahon’s garden ; rare. Perennial. June, 
July. 
178. SCHEUCHZERIA. Gen. pi. 615. (Junci.) 
Calix 6-parted. Corolla none. Jlnthers li- 
near. Stigmas sessile^ lateral. Capsules 
inflated^ distinct^, mostly S- seeded. Seeds 
smooth^ cylindric-ovate^ with a longitudi- 
nal carinate suture^ (black.) — JSTutt. 
i»aTu$tris. 1. S. leaves of the infertile shoots near 18 inches 
long, very narrow and linear. Roots loaded 
with persistent vestigise ; raceme 5 to 7-fiower- 
ed, lowest peduncles longest and subtended by 
sheathing leaves, which diminish upwards into 
short bractes. Capsules 3, oval, inflated, with 
compressed margins. Seeds almost uniformly 2 
in each capsule, as large as those of garden bal- 
sam f Impatiens chinensisj black and shining, 
integument coriaceous; episperm white and 
membranaceous. Nucleus greenish, consisting 
of an ovate cylindric and homogenous somar- 
liize, marked at its inferior extremity (or con- 
tiguous to the umbilicus) with an almost imper- 
ceptibly minute gemmule, in the form of a dia- 
phanous point. — JVutt 
About eight or ten inches high, with large bundled decayed 
•leaves at the roots. Leaves variegated, occasionally, like tor^ 
toise-shell. In Cranberry swamps, Jersey, not far from thb 
city. Rare^ 
