296 ORCHIDE# (Rolfe), [Disperis. 
large, broadly cordate-ovate, subobtuse, broader than ong ; arms 
cartilaginous, twisted, oblong from a broader base, dilated at the 
apex, 3 lin. long. Bolus in Journ. Linn. Soc. xxv. 206; Durand & 
Schinz, Conspect. Fl. Afr. v. 119; Schlechter in Bull. Herb. Boiss. 
7 
Karanari Reeion : Orange River Colony ; plain on the top of the Drakensberg 
Range, near Nelsons Kop, Cooper, 1100! 
Mrs. Fannin’s specimen, included by Harvey in his original description, is 
different. ; 
4. D. ermelensis (Rolfe) ; base of plant not seen ; stem moderately 
stout ; spikes about 44 in. long, somewhat lax, 10—12-flowered ; 
bracts distichous, cucullate, cordate-lanceolate, acuminate, amplexi- 
caul, {-1} in. long; pedicels 8-9 lin. long ; flowers medium-sized, 
blue (Todd) ; dorsal sepal galeate, about 4} lin. long ; limb broadly 
ovate-triangular, with a distinct narrowly acuminate reflexed 
lin. lo 
rather longer than the limb; column short ; rostellum broadly 
cordate, 14 lin. broad, base decurrent along the margin of the arms ; 
rms cartilaginous, triangular-oblong, obtuse, 2 lin. long ; capsule 
oblong, about 8 lin. long. 
Katanart REcion : Transvaal ; in grass near Ermelo, Todd in Herb. Wood, 
3176! 
5. D. Buchananii (Rolfe) ; plant over 1 ft. high ; stem moderately 
slender; leaves sheath-like, suberect, oblong-linear, subobtuse, 
1-1} in. long; scapes over 1 ft. high, with a few lanceolate sub- 
“ 
lilac and greenish-white, 2-1 in. long ; dorsal sepal galeate, 4 lin. 
long, with a triangular subacute deflexed limb and a roun obtuse 
galea ; lateral sepals spreading, ovate-lanceolate, acuminate, 4 lin. 
long, with an oblong obtuse sac about the middle ; petals falcate- 
lanceolate, acute, 4 lin. long, outer margin undulate ; lip broadly 
rostellum ovate, subobtuse, reflexed at the margin, rather large ; 
arms cartilaginous, faleate-oblong, obtuse, 2 lin, long. 
Eastern Region : Natal; above Richmond, 2000-3000 ft., Buchanan in Herb. 
Sanderson, 1070 ! 
