PARNASSIACEJE. (PARNASSIA FAMILY.) 91 
1. D. filiformis, Raf. Rhizoma thick, creeping ; leaves erect, filiform, 
elongated, smooth at the base; scape smooth, many-flowered ; flowers large, 
bright purple ; calyx hairy ; seeds oblong, dotted. — Low pine barrens, Florida 
and northward. April 1} —-Scapes 19-13? high. Flowers l'or more wide. 
2. D. longifolia, L. Rhizoma long and slender ; leaves linear-spatulate, 
gradually narrowed into the long and smooth petiole, the upper ones erect; 
scape smooth, declined at the base, 8 - 12-flowered ; calyx obovate ; seeds 
oblong. (D. foliosa, EX.) — Sandy swamps, oftener in water, Florida and 
northward. MayandJune. 1 — Scapes 4’—6/high. Flowers small, white. 
3. D. eapillaris, Poir. Rhizoma short or none; leaves spatulate, nar- 
rowed into the long and smoothish petiole ; scape slender, smooth, erect, 9 — 20- 
flowered ; calyx obovate ; seeds oval, finely furrowed and granular. (D. brevi- 
folia, var. major, Hook. ja Boky ponds, Apalachicola, Florida, to South Car- 
olina (Bosc.). April and May. @ or 4 — Scape 6’-15/ high. Leaves 2'—3' 
long. Flowers pale rose-color. 
4. D. rotundifolia, L. Rhizoma none ; leaves orbicular, abruptly con- 
tracted into the hairy petiole ; scape erect, smooth, 6 — 10-flowered ; calyx ovoid; 
seeds covered with a loose membranaceous coat. — Mossy swamps, Florida and 
northward. May and June. (1) — Scapes 6’-9 high. Leaves 2! long. 
ae white. 
5. D. brevifolia, Pursh. - Glandular-pubescent "Addio: rhizoma 
none; leaves short, n EEE T -scape erect, 3—6-flowered ; calyx oval; 
seeds ovoid, minutely glandular. — Low sandy pine barrens, Florida to North 
Carolina. April. (3) — Scapes 3' -6' high. Leaves j'long. Flowers } wide, 
white. 
2. DIONZEA, Elli. Frv-rnar. 
Stamens 10-15. Styles united. Stigmas 5, fimbriate. Capsule 1-celled, 
opening irregularly. Placenta at the base of the cell, many-seeded. — A smooth 
perennial herb, with the habit of Drosera. Leaves spreading, on broadly-winged, 
spatulate petioles, with the limb orbicular, notched at both ends, and fringed on 
the margins with strong bristles; sensitive! Flowers in a terminal umbel-like 
cyme, white, bracted. - 
1. D. muscipula, Ellis. — Sandy bogs in the pine barrens of North M 
olina and the adjacent parts of South Carolina. April and May. — Scape n 
high, 8-10-füowered. Flowers 1! wide. — For an interesting account of this 
remarkable plant, see Curtis's Plants of mmm in the Boston Joe 
of Natural History, Vol. I. 1834. 
ORDER 17. PARNASSIACEJ. M asu Faner) 
, Perennial smooth herbs, with ovato or reniform chiefly radi 
