584 CXL. ORCHIDACEZ. Orcuis. 
11. O. RoTUNDIFoLIA. Pursh. (Habenaria. Rich. Platanthera. Lindl. 
Lf. solitary, roundish-ovate; scape naked; spike few-flowered; bracts o 
tuse, shorter than the ovary; sep. and pet. obtuse; lip 3-lobed, lateral, lobes sub- 
falcate, middle one obcordate; spur as long as the lip.—Ct., Penn., Eaton, Can. 
Scape about a foot high, slender, without a bract. Leaf 2—4’ long, 2 as wide, 
spotted, sheathing at base. Flowers about a dozen, of a greenish-white, remark- 
able for their broad, 3 (almost 4)-lobed, pendant lip. 
** Lip fimbriate. Stem leafy. 
12. O. cinidgis. (Habenaria. Rich. Platanthera. Lindl.) Yellow Fringed 
Orchis—Lawer lvs. linear-lanceolate; spike oblong, dense; bracts shorter 
than the ovary; lip oblong-lanceolate, pinnate-ciliate, twice as long as the petals; 
spur longer than the ovary.—A delicately beautiful orchis, with bright orange- 
colored flowers, in swamps, Can. to Ga, and Ky., rare. Stem about 2f high. 
Leaves sheathing at base; lower ones 3—5’ long, rapidly diminishing upwards. 
Sepals roundish, obtuse, concave. 2 petals linear, very small, incised at the 
summit; the lip narrow, lanceolate, conspicuously fringed, 4” long. Spur 1’ 
in length. July, Aug. 
13. O. cristata. Michx. (Habenaria. Brown. Platanthera. Lindl. 
Iws. lanceolate and lance-linear; spike somewhat crowded, many-flow- 
ered ; segments of the perianth rounded, the two lateral petals toothed, lip oblong, 
pinnately ciliate, spur shorter than the ovary.—Swamps, N. J., Penn. to Car. 
A small species, distinguished from the foregoing by smaller and more crowded 
flowers which are of a bright orange-yellow, and by its shorter spur, &c. Jn. Jl. 
14. O. Bueruariciortis. Willd. (Habenaria. Rich. Platanthera. Lindi.) 
White Fringed Orchis—Lower lvs. lanceolate, channeled; spike oblong, 
dense; éracts linear, acuminate, shorter than the flowers; dp lanceolate, 
ciliate, as long as the upper sepal; spwr much longer than the long-beaked 
ovary.—A delicate orchis, in swamps, (N. Y.! to Car.,) resembling the 
last species, but distinguished at least, by the color of its flowers which are of 
‘a pure white. Stem 1—2f high. Flowers fewer than in the last. Sepals round- 
ish-oblong, lateral reflexed. Petals spatulate, dentate. Lip fringed in the mid- 
dle, 2” long. June, July. 
15. O. rissa. Willd. (Habenaria. Br.) . 
St. tall, leafy; vs. lanceolate and lance-linear; bracts nearly equaling the 
ovary; sep. roundish-ovate; lateral petals denticulate; lip 3-parted, divisions 
cuneiform, dentate, middle one 2-lobed; spur filiform, clavate at end, curved, 
Jonger than the ovary.— Wet grounds and marshes, Penn. to Va., W. to Ind. ! 
A truly beautiful species 2—4f high. Stem slightly winged. Leaves 4—6/’ 
long. Flowers violet-purple, large, 20—50, in a terminal spike, Ovary 1’, and 
spur 1}’ long. June, July. 
16. O. tacEra. Michx. (O. Psycodes. Spr. Habenaria. Br. Platan- 
thera. Lindl.) Ragged Orchis.—Lower lvs. oblong, obtuse, wpper ones 
narrow, acuminate; bracis longer than the flowers; sep. retuse; pet. emargi- 
nate; lip 3-parted, segments cuneate, capillaceous-multifid ; spur filiform, cla- 
vate, as long as the ovary.—Swamps and meadows, Can. to Car. Stem 1—2f 
high, smooth, slender. Leaves few, 3—6’ by 4—l’, mostly acute. Flowers 
numerous, in a long, loose spike, of a greenish-white, not showy. Sepals ovate. 
Petals oblong-linear, entire, lip reflexed, very deeply laciniate. Readily dis- 
tinguished from the following by its more slender habit, greenish flowers, and 
the entire (not-fringed) petals. July. 
AT. O.. Pyscépes. (O. fimbriata. Br. Habenaria. Rich, Platanthera. 
Lindl:) Purple Fringed Orchis.—Lower lvs. lanceolate, diminishing up- 
wards ; lip. 3-parted, scarcely longer than the petals, the segments cuneiform, 
ciliate-fimbriate ; /ateral pet. ovate, fimbriate-dentate; spur filiform, clavate, 
longer than the ovary.—A beautiful plant, common in meadows, Can., N. Eng., 
Mid. and W. States. Stem 14—2sf high, smooth, slender. Leaves 3—6’ long. 
Flowers showy, numerous, in a terminal, cylindric spike, light purple. Lip of 
the nectary somewhat longer than the petals, its 3, fan-like, spreading segments, 
as well as the petals, beautifully fringed. Spur an inch in length. July. 
