ORCHIDACEAE 385 
28. PHYSURUS L. : a“? Caulescent herbs, the stems d Lea 
with wide blades. Flower spike or spike-like raceme.  Perianth Be 
or greenish. Tateral di xe dis broad, decurrent together i the base 
the lip as a spur partially adnate to the hypanthium. Petals mostly smaller 
nA sepals. Lip 3-lobed, the terminal lobe quite as large as the body of 
the lateral lobes, with a reflexed tip, the broad claw-like base forming part of 
the spur; eallosities wanting. Capsule spreading.—About 65 species, natives 
of tropical and subtropical regions. ' | 
Lateral sepals broadly linear: lateral lobes of the terminal lip-lobe ovate, directed 
1. P. 
forward : leaf-blades acuminate. Sagraeanus. 
Lateral sepals ovate: lateral lobes of the terminal lip-lobe semi- 
orbicular, directed outward: leaf-blades acute. 2. P. querceticola. 
P. Sagraeanus A. Rich. Plant 2-4 dm. tall, the stem simple: leaf blades 
moe to ovate- pa pi the upper 
lateral: lip, with spur, about 6 mm. long, 
the middle lobe broadly cuneate at a 
ase when spread out: capsule 6.5-7 m 
long, rather po ribbed. R 
S pen. Fla.—(W. I.)—Fall-spr. 
2. P. dapes Lindl. Plant 0.5-1.5 
dm. tall, the m simple: leaf-blades 
ovate, an broadly so, the upper ones 
ong: 
ovate- s lanceolate, about 3 mni. long: pet- 
als very inequiiateral: lip, with spur, 
about 5 mm. long, the middle lobe a 
E I ea Bi ase when spread o 
sule ong, pr Eu ‘ribbed. —Low woods and hammocks, 
Coastal Plain, N on Fla. to La. and Tex.—Sum 
29. TROPIDIA Lindl. Caulescent somewhat woody herbs with fibrous 
oots. Leaves with plieate blades ter- 
minating long sheathing bases. Panicle 
stalked. Perianth greenish-whit Lat- 
eral sepals nearly equilateral. ge 
somewhat smaller than the pd piod 
curve Lip shorter than tal 
with -a saccate base and a E 
curved blade. Capsule sprea 
out 5 species, widely wu in 
the tropies. 
1. T. au E: (Sw.) O. Ames. Stem 
-5 al, branched: Qus ae 
elliptic “to elliptie-lanceola ate, 
lon ne, persisten aa eral a, linti 
arl 6T pias 
QUU 
Or rly so, ng: petals a S mm. long: lip 44.5 mm long, c 
a about the e: eapsule-body 9—14 mm. long. eae is oe 
Benth. ee Everglde eye Fla.—(W. I.)—Spr.- 
