86 ORCHIDE (Rolfe). | Brachycorythis. 
obscurely tridentate, recurved at the sides, about } in. long, gibbous 
at the base and broadly concave owing to the somewhat dilated 
sides ; disc with an obtuse keel extending to the apex; column 
broad, } in. long. 
Eastern Recton: Natal ; in damp places at Oliviers Hoek, sources of Tugela 
River, 4000 ft., Allison ! 
rather shorter than the dorsal sepal, incurved over the column at 
and var. minor, Rendle in Journ. Linn. Soc. xxx. 398. Platanthera 
Brachycorythis, Schlechter in Engl. Jahrb. xx. Beibl. 50, 12, 30. 
Katanari Recion: Transvaal; Diamond Fields, Tuck, 1! Pilgrims Rest, 
Greenstock! near Lydenburg, 5000 ft., Schlechter, 3926 ! 
ASTERN REGION: Natal ; near Durban, Sanderson, 178! Gerrard, 719 ! Dargle 
Farm, Mrs. Fannin, 80! Inanda, Wood, 1659! and without precise locality, 
Cooper! Buchanan! Zululand, Gerrard, 630! 
Also in Tropical Africa, 
tubers ; leaves 2 or rarely 3, near the base of the stem, lanceolate- 
oblong, acute or subacute, attenuate at the base, suberect or rarely 
spreading, 14-5 in. long, 4-4 in. broad ; scapes slender, erect, 3-14 
ft. high, with several lanceolate acuminate sheaths, rarely leaf-like 
ow; racemes 2-6 in. long, lax, few- to many-flowered ; bracts 
sessile, ovate-lanceolate, acuminate, 4-4 in. long; pedicels rather 
tout, ;—} in. long ; flowers small, light green, with some brown on 
and the lip white with a lilac-coloured band at the base ; 
os 
Po 
z 
umina 
long, somewhat cucullate ; lateral sepals rather narrower than the 
dorsal, oblique and somewhat spreading ; petals obliquely ovate, 
acute, shorter the dorsal sepal, incurved over the column a’ 
