50 
DROSERACE.fi. (SUNDEW FAMILY.) 
(which opens only in sunshine) is always highest. (The glands 
of the leaves exude a clear fluid, appearing like dew-drops, whence 
the name, from $po<rc/xfc, dewy.) 
1 rotundifolia, L. (Round-leaved Sundew.) Leavts 
orbicular abruptly narrowed into the spreading hairy petioles; seeds 
spindle-shaped, the coat loose and chaff-like; flowers white. — Peat¬ 
bogs, common. July, Aug. 
2. D. longifolia, L. (Longer-leaved Sundew.) 
spatui'ate-oblong, tapering into the long rather erect naked petioles, 
seeds oblong, with a rough close coat; flowers white. — Bogs, com¬ 
mon eastward. June - Aug. — Plant raised on its prolonged caudex 
when growing in water. 
3. IK linearis, Goldie. (Slender Sundew.) Leaves line&i 
obtuse, the blade (2' — 3* long, scarcely 2" wide) on naked erect petu>a 
about the same length ; seeds oblong, with a smooth and perfect y 
close coat; flowers white. —Upper Michigan.—Scapes sometimes 
1 -3-flowered, as figured by Hooker, often elongated and 8-10- °* 
ered, occasionally forked with a primary flower in the division. 
4. IK filif6rmis, Raf. (Thread-leaved Sundew.) 
very long and filiform, erect, with no distinction between the 
and the stalk ; seeds spindle-shaped ; flowers numerous, purple rose 
color (Abroad). —Wet sand, near the coast, Plymouth, Mass**"* 
setts, to New Jersey and southward. Aug. — Scapes & -12' hig » a 
the singular leaves little shorter. 
Suborder PARNASSIEjE. 
Smooth herbs , with slightly perigynous stamens , an outer 
series of them sterile and in clusters , imbricated petals , an 
4 sessile stigmas opposite the parietal placenta . Leaves al¬ 
ternate , not coiled in the bud . —-Consists of the following 
genus, of dubious affinity. 
PARNASSIA, Touro. Grass of Pa*nassi 
Sepals 5, persistent. Petals 5, veiny, spreading, rather p« 
ent: a cluster of somewhat united sterile filaments at the ba 
i T* stamens 5 ’ alternate with the petals: anthers o 
S 5J, ° var y 1 -celled, with 4 projecting parietal place 
album ^ n !™ er ° US ’ anatro pous, with a winged seed-coat an 
and >h r creni >hU herbs, with tlie entire leaves chiefly r :ll ‘ 
and the solitary flowers terminating the long naked stems. P 
white, wuh greenish or yellowish veins. (Named from M 
