ORCHIDACEAE 371 
so, spatulate, or the body orbicular-obovate, oe or erose: lip 14—18 mm. 
long, the lobes sais or flabellate, ineised or erose: spur 19—26 mm. long. 
[ Plantanthera peramoena A. Gra ay |— (PRIDE-OF- pe AK. | PINK-FRINGE-OR- 
eadows "ed stream- done Blue Ridge and Appalachian provinces, 
Ala. to N. C., and various provinces, Tenn. to Ark. "Ohio, and N. J. 
7. PERULARIA Lindl. Caulescent herbs, with thick fibrous roots, the 
stem leafy. Flowers relatively small, in a terminal spike. Perianth yellowish 
or greenis Sepals and pa 1s all relatively broad. Lip lanceolate 
lobe 
ish. Sep 
o suborbieular, undulat with a on each side near the base, and a 
ao tubercle, the spur bu than the lip. Anthers with horizontal valves 
opening upward, dilated at the base, thus forming a cavity enclosing the icu- 
lar gland. About 4 species of the north temperate zone.—Sum. ae 
SPIKES 
Lip Re Cu longer than wide: bracts mostly longer than the 
flow 1. P. flava. 
Lip about as wide as long: bracts mostly shorter than the flowers. 
undulate, suborbicular, oval or ovate-orbieular: petals i 
e longer than wide. 2. P. scutellata. 
Lip with 2 lobes at the base of the blade, hastate: petals as 
wide as long or wider 3. P. bidentata. 
P. flava (L.) Farwell. Stem 3-6 dm. tall: leaf-blades elliptic, oblong o 
lanceolate, 0. dni dm. long: -bracts pes longer than the flowers: lateral a ale 
oval to obov e, 3-4 mm. long: 
slig ly a han the sepals, uen 
or erenulate: lip hastate, the middle lobe 
oblong to lanceolate, 4-5. long 
lon 
spur shorter than the ovary. [ Platan- 
thera flava A. Gray]—Wet woods, vari- 
ous provinees, E E of Blue Ridge, 
La. to Minn., Ont., and N. S. 
2. P. = (Nutt.) Small. Stem 
3-6 dm. tall: leaf-blades oblong-lanceo- 
e i 2.9 
: ng: S 
about 15 as long as the ovary.—Swamps 
and shallow water, Coastal Plain and adj. provinees, Fla. to Ark., Ind., and Pa. 
—Often confused with P. flava whieh has a more N and W ran ge. 
3. P. bidentata (Ell) Small. Pere to the next preceding species in habit: 
flowers e larger: petals as wide as long or wider: lip ovate in E 
—6 mm uberele horn- like: spur about as long as the ovary.—Low 
woods, i Pisin Fla. to Ala. and N. C. 
8. HABENARIA Willd. con, on y did Flowers in a terminal and 
like raceme. Perianth white, green, or w. Sepals distinct or nearly s 
the lateral ones spreading, sligh a eae Petals MCN -parte à 
Lip 3- Dn spurred. Anther-sacs elevated, each with an appendage at the 
base. Stig with narrow 8100 the glands naked.—About 50 species, 
most rn in the tropies.—LONG-SPUR ORCHIDS. 
