Disa.} ORCHIDE (Rolfe). 213 
| Leaves narrowly oes and not crowded ... (33) Thodei. 
5-6 in. lon 
ip rs fe rateaong or lanceolate : 
-oblon 
3 Petals fa .. (34) zuluensis, 
: Petals pooner er ee Se .-. (35) Seullyi. 
/ Lip broadly rhomboid-ovate ...  .... ~—«.» (36) Cooperi. 
? Lateral sepals about 1 in. long ... ae ... (37) erassicornis. 
***Flowers usually arranged in a short subcorymbose or 
rather elongated lax spike or prawns vets vario 
in size, rare el cong spur 
i if narrow not as long as the Be: Teel ase 
A ve 
+Dorsal sepal cates! 5d in. long: 
{Dorsal sepal en 
Flowers sear or in a short oblong 
compac 
Spur ete aia obtuse, a quarter to a third 
as long as the lim 
it al: cblong, onaney ri 
nulat . (38) Vasselotii. 
‘sauis “sli or sharply eat with kino 
diverging apical lobe .. (39) faleata. 
Spur narrow or subacute or mes as rie. as 
— ae, 
late with broad limb : 
oe ne sheaths hairy . (40) glandulosa. 
Leaves and ae nen noe densely 
lepidot ‘R . (41) vaginata. 
Leaves linear or (uiuibaiins teases Boe .. (42) frigida. 
Flowers in a somewhat elongated more or jens 
x raceme : 
Leaves cauline ... ne on Be ... (43) caulescens, 
Leaves radical or subradical ... Ne ... (44) tripetaloides. 
canoes — bil she or subtrilobed : 
sepal subtrilobed . . (45) triloba. 
ae pe two broadly oblong spreading 
. (46) sagittalis. 
rn: ihe if in. or wae 
Flowers rose-coloured, tie: in. 
ree sepal seater te obtu ee va ... (47) racemosa. 
Dorsal sepa’ ae sean ve ».. (48) venosa. 
Wiowes per 3 in, or mor .. (49) unifiora. 
heated usually numerous <a arran; ue in a es or 
metimes dense spike or raceme, rarely solitary ; 
ae 9 2 J long and slender 
D. 
eee — or scarcely longer than the limb or under 
ries in a dense subeapitate or shortly oblong 
spike : 
