382 ORCHIDACEAE 
mainly white with the parts MER Mie with green, 4-5 mm. long: lateral 
sepals s nico: to linear-lanceolate, 5—6 mm. long (rarely D Petals li linear: 
"d elliptie.—Wet gras ipe e Plain, Fla. to Tex. an —S 
I. cernuum (L.) H Stem 1—4 dm. tall or up to 1 m., from coarse cord- 
ike roots: ‘blades of the pee al and lower cauline leaves ee sometimes broadly 
arying | 
2 0 em. lon 
apenas with elon ae i. s bases: spike dense, 3-15 em. long, stout: 
ers more or less fra : perianth white or creamy, 7—11 mm. long: petals 
lanceolate: lip ovate- due usen oa or dilated at the base, more 
or less erose or crisped near the apex. [J. trilobum Small]—Bogs, ed 
ub , rive , usu i 
Z 
ys and New : 
d tu in a -acid soil and often drier places, has been described as 
I. ochroleucum (Rydb.) House, while a vigorous variant, growing mostly in rich 
swamps of moderate acidity, in the southern Coastal Plain, has been described 
as I. odoratum (Nutt.) Hou 
10. I. ovale (Lindl) House. Stem 2—4 dm. tall, from a cluster of elongate 
roots: blade r the basal and lower cauline Dept broadly linear to b r- 
elliptie, 416 c m. long: pi slender, pops ring, elosely flowered but not very 
dense: perianth white , 4-5 mm. long: lateral sepals broadly lanceolate: Pete 
broadly Pu S linear. lanceolate: lip ovate to elliptic-ovate, narrowed at the 
apex. [Spira cernua parviflora Chapm.]—Moist par Di eu hill- 
sides, various ane ity Ga. to La. (Tex.?), Mo., and Ohio.—Fal 
11. I. plantagineum (Raf.) House. Stem 1—4 dm. tall, from a eluster of 
thiek roots: blades of the b and lower cauline leaves broadly li linear to linear- 
els. or broadest one ebd: the middle or below it: spike stout, not taper 
= ing, rather loosely fiowered: perianth, except the lip, white or nearly SO, 5-7 
ME ng: la is sepals a E n linear: lip quadrate-elliptie, 
yello ow, broad a e ap Moist woods and grassy banks, various provinces, 
rarely Coastal Pit, N. C. to Minn. and N. Tous ein] 
3. CYC OGON Pres]. Caulescent herbs. Leaves various, the basal 
and lower ite with wide blades, the upper cauline mere sheathing scales. 
Flowers in a terminal spike. Perianth whitish. Median sepal and petals 
coherent; lateral sepals erect. Lip with a large body completely involute 
about the long column and a short nearly erect tip, the e eallosities com- 
monly minute or obscure. Stigma-beak not forked.—About 30 species in 
tropical America. 
Column and androecium nearly ee the lip: apical lobe of the lip rhombic, much 
narrower than the body of the 1. C. cranichoides. 
Column and androecium about hele as long as the lip: apical lobe 
of the lip oe r flabellate, nearly or quite as wide as the 
body of the lip ; 2. C. elata. 
1. C. anos (Giseb.) Schltr.. Plant 
1-3 dm. tall: blades of the basal leaves 
a a 
2-3.5 cm. 
long, usually a flowers spreading: 
lateral sepals M laneeolate, about 5 
mm. long, obtuse: petals spatulate: lp ` 
0 the 0 ds 
2 cuneate Ls Spread o m 
p mall rhombic pem 
mn n posa cap- 
id long. 
M 
[e] 
i 
d 
[e] 
E 
BS 
< 
and: the o Koa (W. I.) —PNWint.-spr. 
