176 OPHRYDE. 
Stigmatie processes distinct, 
Spur longer than the ovary, eiu 
Petals yellow, erect; spur rather stout, usually 
upturned ... . 19. Н. Edgeworthii. 
Petals green, spreading; ; spur 0 و‎ 
deflexed ... ... 20. Н, latilabris, 
Spur much shorter than the ovary, ВНЕ es 91. Н. densa, 
Stigmatie processes none. 
Lip linear, spur much longer than the ovary - 22. Н. arcuata, 
Lip oblong, its apex tridentate; spur much shorter 
than the ovary . 25. Н. viridis. 
Sect. v. Pxrristytus.—Petals entire, lip ون‎ or not at all 
longer than the sepals, 3-lobed; spur very short, often 
sub-globose. 
Flowers green, 
Leaf solitary, lip flat 24. Н. fallax. 
Leaves 2 or 3, lower half ‘of lip SRD. 25. Н. Elisabethe. 
Flowers white, leaves clustered above the middle of 
the stem. 
Leaves narrowly lanceolate or elliptic, acute, tubers 
glabrous +.. ... 96. Н. Lawii. 
Leaves ovate or ovate- elliptie, tubers 755 
Flowers in a lax subsecund spike ... 27. H. goodyeroides. 
Flowers in a dense cylindrical spike ... 98. Н. constricta. 
Sect, vi. Puyiiostacuya.—F lowers large, in the axils of sheath- 
ing leaves, petals entire; lip broad, entire, petaloid, 
spur conico-infundibular ; э processes попе, 
rostellum obscure m © . 29. H. galeandra. 
Sect. уп. Dievra.— Flowers small, secund, lip 3-fid., spur in- 
flated, pollinia sessile on a single large obcordate gland 
seated in a sinus of the broad 2-lobed rostellum, 
stigmatic process small DT š ... 80. H. secundiflora, 
бесі. уш. Dirurix.—Flowers small, seound, tubule, sepals 
_ petals and lip coherent at the base; lip oblong, 3-fid, 
base saccate ; staminodes 2, filiform, capitate, inserted on 
the back of the anther, stigma a transverse cushion, 
rostellum a transverse plate below the anther ... 81. Н. Griffthi. 
1. HABENARIA STENOPETALA Lindl. Gen. and Sp. Orch. 324. 
Height of whole plant 3 to 105 dm.; basal third of stem clothed with tight 
fitting sheaths. Leaves distributed over the upper two-thirds of the stem, 7:5 to 20 
cm. long, oblong-lanceolate to ovate-lanceolate, acute, the edges undulate, amplexicaul or 
sheathing and usually broad at the base, membranous; the upper ones much smaller 
and bract-like. Raceme 1 to 2'3 dm., densely йоне. Flowers 2 to 2% ст. across, 
pale green; floral bract lanceolate, тетет about as long as the slender stalked 
ovary. Sepals subequal, oblong-lanceolate, acuminate, spreading or reflexed. Petals 
shorter than the sepals, linear, their bases produced downwards below the point of 
insertion. Lip 3-partite, as long as the petals, brown ; segments narrow, fleshy, the central 
one horizontal; basal pair usually shorter, deforo ; spur slender, as long аз the 
