Habenaria.} ORCHIDACE®. 1031 
tSide-lobes of lip never wider than the mid-lobe; racemes many- 
Brooke usually dense :—[p. 10 
r filiform, fusiform or long clavate, as long or, rarely (H. 
aint only), at least half as long as the ovary and then filiform ; 
lateral sepals spreading deflexed or reflexed, larger than the 
Tubes of the anther-cells very long; flowers white; lateral 
sepals very gibbous; spur equalling or exceeding the ovary ; 
s em leafy upwards; segments of lip very long, er 
iform 
Tubes of the aii cells very short; flowers usually green or 
greenish-yellow :— 
Leaves 4 or more cael 4, clustered towards the middle or at 
the base of the stem 
Bracts as long as or ‘on ionaae than the ovary ; lateral seg- 
ments of lip narrower than the central linear lobe :— 
Spur longer than the ovary, ve i involute ; 
lateral hice of lip filiform, longer than 
a reifera, 
Spur not longer than the ovary ; lateral segments of lip 
slender but not filiform, not longer than mid-lobe :— 
pur slender, incurved, only half as long as the ovary ; 
leaves green throughout, placed near the middle of the 
stem affinis 
Spur stout, fusiform, nearly or quite as long as the 
ovary ; leaves with narrow yellowish margins, placed 
near the base of the stem marginata 
Bracts much shorter than the oyary; segments of lip sub- 
equal, linear ; spur as long as the ovary, thickened below ; 
leaves green throughout, placed near the base of the stem 
viridiflora. 
Leaves 2, rarely 3, saat ii adpressed to the ground, 
orbicular - cordate; bracts shorter than the ovary; spur as 
long as the ovary, ine, nse segments of lip all pate 
the lateral longer than central.........scccssseceesseeeeees iphylla. 
Spur small, globose, pe, or shortly clavate, not Bsa 
the length of the ovary; lateral sepals narrower than the petals, 
petals, and 
with these forming a hood to the column; leaves clustered about 
the middle of the stem: bracts as long as or longer than the 
ovary :— 
Spikes elongated, dense, many-flowered ; stems stout ; lip 3-fid, 
