164 ORCHIDS OF THE CAPE PENINSULA. 
$6. Orthocarpa. 
Lip trowel-shaped, somewhat lobed, obtuse .. ase .. D. RosEa 34, 
Lip exactly oblong, obtuse. 
Flowers small, sepals white, petals yellow an .. D. Ricwarprana 35. 
Flowers large, sepals dull red, petals purple a¢ .. D. Bopxrni 36 
Lip subulate, acute or acuminate. 
Flowers corymbose, sepals usually white, lip acute .. D. mevauEeuca 37 
Flowers at length racemose, sepals sais is bi- 
coloured, lip acuminate .. oe 2 5c .. D. aTRICAPILLA. 38 
34. Disa rosea, Lindley, Gen. d Sp. Orch. (1838), p. 850.— 
Glabrous, erect or subdecumbent, 3-6 in. high; scape slender, leafy, 
somewhat wiry, bent; leaves mostly 3, at the base of the scape, 
spreading, ovate-oblong, acute, sheathing at base, somewhat leathery, 
14-21 in. long, succeeded by 4 or 5 lanceolate, acuminate sheaths ; 
flowers 4-7 in a loose corymbose raceme, the lower ones on 4 in. 
pedicels ; bracts lanceolate, acute, a little longer than the pedicels and 
enwrapping them; side sepals elliptical, subacute, bent forward, 
5-6 lines long; odd sepal hooded, oblong, acute, inflexed on the sides, 
bent forward, with a short rounded sac at the base, somewhat saddle- 
shaped above, about as long as the side sepals; petals small, rising 
under the odd sepal, ear-shaped, with two long, knobbed, incurved 
lobes, reaching nearly to the base of the sac of the odd sepal, adnate 
to the rostellum at the base; lip somewhat trowel- or tongue-shaped, 
obtuse, with two obtuse incurved lobes towards the base; rostellum 
very low; pollinia obovate, with very short caudicles and small 
glands; ovary long and slender. 
Has. Moist banks, ridges and clefts of rocks on Table Mountain, Muizenberg, 
&c., from 1400 to 3300 ft.; fl. Oct.—Dec., Bolus, 4562; Herb. Norm. Austr.- Afr. 
319.—Extends eastward to the Houw Hoek Mountains, and probably further. 
Flowers a delicate flesh-colour, or sometimes nearly white ; leaves 
dark green above, a deep maroon beneath. A very graceful little 
species with a hood and lip unlike those of any other known to me. 
It is by no means uncommon. 
85. Disa Richardiana, Lehmann ex Lindley, Gen. & Sp. Orch. 
(1838), p. 361.—Glabrous, herbaceous, 4-9 in. high; scape erect or 
decumbent, leafy; leaves 5-8, oblong-lanceolate, acute, sheathing at 
base, laxly spreading, the lower 1-2 in. long, the upper passing 
gradually into leafy sheaths; flowers 3 to 8, in a close corymbose 
head, 1-14 in. across: bracts lanceolate, acute, as long as the ovary 
and enwrapping it; side sepals obovate, very obtuse, spreading, 
concave and incurved at the apex, about 34 lines long; odd sepal 
ovate, hooded, horizontal, with a contracted mouth, very obtuse at the 
apex and base, about as long as the others; petals lying within the 
