384 ORCHIDACEAE 
long. [Spiranthes jaliscana S. Wats.]—Hammocks, pen. Fla.—(W. I., Mez. 
C. A., S. A.) l 
26. PELEXIA Poit. Caulescent herbs, with scape-like stems. Leaves 
various, the lower cauline with o es blades, the upper cauline 
i lowers 
ike. Perianth a" p se- 
gated, the upper part of the narrow 
blade erisped: callosities wanting.—4Abou 
20 species, of tropical and subtropical 
America 
P. setacea Lindl. Plant 3-6 dm 
il blades of the lower cauline leaves 
oblong to elliptic, 4-10 cm. pe lateral 
ng, 
sepals linear-filiform E^ l7 mm pe 
exclusive of spur lip 3 0-37 m ong, 
the body nel elliptie or Bis ell tic with a Pc tip: eni 14—17 
mm. jus —Hammocks, Everglade Keys, Fla.— (W. I., S. A.) —Wint.-spr. 
ERAMIUM Salisb. Caulescent herbs, with scape-like stems. Leaves 
narrow, Wiese near the base of the stem with dilated aan ae those 
higher up mere sheathing iin Flowers in a spike. anth white or pin 
Lateral sepals of an ovate type. Petals very Leen eae Lip ie sac- 
ike, 4. e. with a small blade and a large saccate base. Capsules erect. [Good- 
yera R. Br.]. ous 25 species, widely distributed in temperate and tropical 
regions.—Sum. ANTAINS. LATTICE-LEAVES. 
Spike 1-sided : petals 3- 
Is 
5m n long: lip-sac with a broad border. 1. P. ophioides. 
Spike cylindric: petals 4.5 5.5 i i 
3. 
4. mm. long: lip-sac with a narrow 
l 2. P. pubescens. 
1. P. ophioides ra Rydb. . Plant 1-2.5 dm. tall: blades of the lower 
eauline leaves ovate to o ate, 
1-2 em. long: lat a sepals a 
ing: petals shorter than the S erose, 
e: lip 4 mm. long, the edge even, the 
tip ae —Moist cool woods, e 
Ridge and more northern provinees, N. C. 
m peat a and Newf. 
mium ens (L 5 Salisb. in which 
the ab species was formerly included, 
an Old World plant. 
2. P. Hearty (Willd.) MacM. Plant 
2-5 long: lateral sepals about 5 
mm, eae petals about as long as der se- 3 
pals, not erose, obtuse: lip 4 mm. long, 2i 
the edge undulate, i tip aa or nearly so.—Woods, usually in dry soil, 
various provinces, Ala. to Minn., Newf., and N. C. 
