Herschelia. | ORCHIDE& (Rolfe). 199 
XXXIV. HERSCHELIA, Lindl. 
Sepals free, odd one superior, galeate, ascending, with a short 
broadly conical spur. Petals erect, included within the galea, 
unequally and deeply bilobed. Lip anticous, sessile or long-stalked, 
deeply fringed, crenate or subentire, or dilated and variously lobed 
at the apex. Column short. Anther much reflexed, cells distinct 
caudicles to a ‘etys single gla dé or in H. lugens, according to Bolus, 
occasionally with two glands, situated at the apex of the rostellum. 
ary twisted ; rostellum broad, sometimes 3-toothed at the aye 
and the middle tooth situated behind and applied to the back o 
the gland, sometimes with two short arms; stigma tal cepa 
situated in front of the rostellum. Capsule ‘narrowly oblong or 
clavate. 
Terrestrial gr with large ov’ “ ir Reger tubers, and narrow grass-like radical 
leaves, “with a few sheaths at the ba a ers medium-sized or large, usually 
blue, purple or white, borne in short somewhat elongated racemes on slender 
wiry ore : ame usually narrow. 
DISTRIB. about 14, South African, with a single outlying repre- 
pniative in Batich Canteal Africa 
Bolus reduced Herschelia, with sie of Lindley’s genera, to a section of Disa. 
Lip a or — sile 
enulate, waved o s 
Bout meen: 2. Fiiodee. ph he apex... ere ... (1) forcipata, 
Spur entire a 
the apex 
Spike 58 ir in. long, cee dense, many-flowered... (2) excelsa. 
Spike esgiae lax, few-flowe — 
Petals ved lip o urved at the 
mar; : gland oe. an long .. (3) purpurascens. 
Petals sharply bent above ree! sera lip obl nai 
reflexed ; gland longer t road . (4) celestis. 
ss As more or less = lacerate : 
of htt al 14-2 in. long, narrowed at 
r the 
icener 2 4; ; sepals Sebi with pale blue lines (5) barbata. 
Flowers 4-15; sepals b. 
Lip white. horse ae the lateral sepals .. (6) venusta. 
Lip light istid; longer than the lateral sew: . (7) lugens. 
Spur of cage sepal 3-4 lin. long, cylindrical .. (8) Baurii. 
sa 3 long-stalke 
imb of lip ‘rilobed or sind trilobed : 
5 lin. lon 
“Ch of lip A, Oo ee 
wi slain acuminate side lobes ... (9) tripartita. 
He coral trilobed, hacia eer or _—— side 
lobes .-- (10) atropurpurea. 
Claw of ie 1-1 in long ees se .. (11) spathulata. 
Limb of li jive é 
Claw of hip hi i lone es a multifida. : 
Claw of lip 12-24 in. long... eee fe «oe (18) ! 
