282 ORCHIDE (Rolfe). ~ — [Corycium. 
athe elliptic or oblong, usually much narrowed above, ri 
Terrestrial herbs, with undivided, sometimes stalked tubers ; leaves radical and 
cauline, linear or ‘oblong, suberect or som metimes speuiai ng, flat or sometimes 
crisped ; flowers small or medium-sized, in erect often dense spikes; bracts 
e. 
Disrris. Species 14, all extratropical South African 
A natural rel well-defined genus, — cae meet from Pterygodium by the 
contracted flowers and concave or saccate p 
Lateral ce free or nearly so i more or less 
spreadin 
narrow ; 
“ 
gs: 
Leaves linear or lanceolate-linear 
Limb of lip bi 
Limb of lip br —— insta, ulncte, sub- 
entire .. . (1) rubiginosum. 
Limb of lip flabellate, obese me Savile ... (2) venosum. 
Appendage * wee os with an incurved 
beak-like .. (3) carnosum, 
b of lip strnaly SOUR lobed, ‘with aiv verging 
subulate side lobe . (4) tricuspidatum. 
Leaves oblong or ae Pare in. deere ... (5) magnum. 
Lateral sepals more or ag united into a concave limb 
situated behind the 
Plant turning black in paerne ; flowers dark purple ... (6) nigrescens. 
Plant not ee Ss in kia ; flowers yellow, 
greenish or dusky-bro 
Leaves wise strongly jidulate or crisped rae ... (7) crispum. 
Leaves rhea flat or famed uniform margin 
Flowers yello ow Aa nish ; leaves not withered 
a bf i 
g in 
Flowers longer road, over } in. ~~ : 
Limb of lip Fcomituabe bilobed --» (8) orobanchoides. 
Limb of lip Se ae se ees 
Flowers globose, under } in ong : 
are = mg broadly ahiated 3 in front ; flowers 
Lita seg lip meses. and pee teeey: | bi- 
lobed oy bicolorum. 
Limb of lip broadly dilat ed a a cu 
base, e nate or shortly bilobed ea 1) excisum. 
Limb of lip aut or lanceolate ; dens 
white .. (12) bifidum. 
Flowers — or ‘al eee or the leaves more 
or less shrivelled at Zeid tS 
Limb of of lip linear or oblong-| Bane ++ «+. (13) microglossum. 
Limb of lip obovate-oblong —.... Se ... (14) vestitum. 
