Disa. | ORCHIDE (Rolfe). 235 
37. * reesantcigicas apie Gen. & Sp. Orch. 348); plant 1-3 ft. 
high ; ve ; leaves radical and cauline, suberect, the 
ficmes. phoney diner or oblong-ligulate, acute, attenuated at 
the base, 4-1 “tt. long, the latter oblong-lanceolate, a cute, 3-5 in. 
lax, usually many-flowered ; bracts oblong-lanceolate, ey acuminate, 
14-3 i in. long; pedicels about 1} in. long; flowers very large, sub- 
membranous, pale yellow or cream- coloured, el with pale 
purple ; dorsal sepal galeate, broadly ovate, subobtuse, 1 in. or 
more long ; spur curved, cylindrical from a broadly conical base, 
obtuse, 13-1} in. long ; lateral sepals oblique, sais A ovate, sub- 
obtuse, 1 in. long ; ; petals oblique, broadly ovate, subobtuse, about 
3 in. long ; lip oblong-lanceolate, obtuse, about 1 in. long ; column 
+ in. long; anther reflexed ; rostellum short, Sbacetnely 3-lobed ; 
Zwet 
Linn. Soc. xxv. 198; Durand & Schinz, Conspect. Fl. Afr. v. 101; 
Kriinzl. Orch. Gen. et Sp. i 766, and in Ann. Naturhist. Hofmus. 
Wien, xx. 7 ; Schlechter in Engl. Jahrb. xxxi. 237. D. megaceras, 
Hook. f. ¢ n Bot . Mag. t. 6529. D. macrantha, Hemsl. in Garden, 
1880, xvii. "494, t. 235, not of Sw. 
SourH AFRICA : paseo — locality, Larg 
Coast Recion: Knysna Div.; Zitzika mma "River, Penther, 73. Uitenhage 
Div. ; Uitenhage, Gener: 428i Bedford Div.; Kaga Berg, "MacOwan, Fort 
Beaufort Div. ; Winter —_ i oe gta Bariet Stockenstrom Div.; Kat 
Berg, in mois ist ravines, 8000 ft., Hutton! Scully, 181; 3000 ft., Seah 1742! 
King Williamstown Div. ; Keiskanmt Hoek, Cooper, 1291! Komgha Diy, ; near 
meha, 2000 ft 
NTRAL REGION: Somerse t Div; ummit of Bosch Berg, 4500 ft., and hills 
near Somerset, Tuck in Herb. "a Obes, 529! Cooper, 529! Aliwal North Div. ; 
Eastern Reaion: Transkei; Krielis Co ountry, Bowker, 212! Kentani District, 
200 ft., Miss Pegler, 315! Pondoland; Mount Puguwan, 3000 ft., Tyson 
Griqualand East; mountain sides near Clydesdale, 3500 ft., Ty sve 2900 ! 
near Matatiele, 8000 ft., Mrs. Cowen! Natal ; near eae a 2000 ft., Weir in 
ft 
Herb. Sanderson, 498 ! between Richmo nd and Mari tzburg, 2000 ae Sanderson, 
498! Dargle Farm, Mrs. Fannin, 6! Highlands, Gerrard, 1561! and without 
precise locality, Hallack ! 
38. D. sd pnee leat aha ex Schlechter in Verhandl. = Ver. 
only) ; 
Brandenb. name ly); plant 3-7 in. stem 
eaten mostly radical, tufted, spreading ’ linear 
spikes subcorymbose, 2 , 
late, acuminate, 4-6 lin. long icels 4-5 lin. 
rather small, white ; dorsal ic galeate, broadly ovate, roe 
