ORCHIDACEAE 389 
. C. maculata Raf. Stem 2-5 dm. tall: raceme 5- 20 e m. long: lateral sepals 
linear to linear-oblong, 6-9 mm. long: petals elliptic to elliptic- spatulate: lip 
white with purple spots, 6-8 mm. long, 
the blade with 2 prominent lateral lobes 
and a suborbicular mid obe: cap 
2—20 n C Itiflora Nutt 
— Woods, various od rarely Coastal 
Plain, Fla. to ex, Calif., B. C. Ont. 
and N ewf. um. 
2. C. i ees area (L.) Karst. Stem 1-3 
dm. tall: e 2-10 em. long: lateral 
SU linen Ps S DRE. -spatulate, 3-4 mm. 
long: aus ind spatulate: lip white, 
long, the blade with 2 shallow 
m E be Ta the e and an 
ovate middle lobe: capsule 8—10 mm. long. 
LC. innata R. Br.]— AW oods, Blue Ridge, 
to Md., and various provinces, Pa. to Wash., Alas, Ont, and Newf.— 
(Eurasia. prom 
C. Wisteriana Conrad. Stem 2-3.5 dm. tall: raceme 3-10 cm. long: lateral 
sepals linear to linear-lanceolate, 6-8 mm. long: petals site. spatulate: lip 
n with purple spots, 8-10 mm. long, the blade broadly oval to broadly obo- 
vate, notched at the apex: capsule 9-11 mm. long.—Rie Pipe various prov- 
inees, Fla. to Tex., Mo., Ind., and Pa. (or Mass.?).—Wint 
4. C. odontorrhiza el. ie Ros 1-3 dm. tall: raceme 4—10 em. long: 
lateral eee e or nea — mm. long: lip white with purple i. 
4—4.5 long, t pon ‘uuborbicular, with erose-crisped margins and an 
. igi pum tip: ene m m. long.—Woods, various provinces, Fla. to 
Tex., Mich., and Me.—Spr.- 
. C. micrantha s Stem 8-15 em. tall: raeeme 2—4 em. lon ng: iouis 
sepals broadly linear to linear- est ae -9 mm. long: lip whitish, 3-3.5 m 
E the blade elliptie , with erose sides and a roun ed apex: capsule 6-7 mm. 
ong.—Woods, Coastal Plain, N Fla. and Ga.—Sum.—fall. 
36. PLEUROTHALLIS R. Br. Epiphytie herbs. Leaves usually soli- 
ary: blades thick. Flowers in gil spike-like racemes, or in clusters 
Perianth usually pale, often white 
green. Sepals converging or nearly oor 
o or the lateral ones partly united. 
et 
als mostly shorter than the sepals. 
Lip ins st smaller than the 
petals. lu short. Capsule erect or 
nodding hircus 400 species of tropical 
America. 
. gelida Lindl. Plant 1-3 dm. tall: 
ead blade a e to * diliptie- qu. 
lat —16 pd ng: oe stalks 1-3, 
ud fro om t ur xil of a braet, 1-2 em 
long: drea yellowish: i sepals 
nearly line 5-5.5 long: petals 
broadened a rd, 35-4 m mm. long: lip about 2 mm. long: capsule short- 
stalked, the body ellipsoid, 9-11 mm. long .—Hammocks, Sw. pen. Fla.—(IV. I.) 
