Disa. | ORCHIDE (Rolfe). 241 
Documente, 81. D. venosa, Sond. in Linnea, xx. 219, not of Sw. 
Satyrium secundum, Thunb. Prodr. 4. 
AR. B, isopetala (Bolus in Trans. S. Afr. Phil. Soc. v. 156); Sita nearly as 
lias as the ae eget agi epal ; lip nearly as large as the lateral sepals, Bolus, 
Oreh. Cap, Penins, 
A pelori iate form 2 e species. 
SoutH AFrRica; Tulbeet Agen gy Harvey! Yorke 
Coast Recron; Tul h Div. ; near Tulbagh Watertal, Zeyher ; Witzenberg 
Range, Mun ; Du oof, 2000-3000 ft., Drége, 1239a! 
and without precise locality, Cooper, 1612! 1684! 1685! rl Div.; French 
ek, Div.; Table Mountain, 2500 ft., Bolus, 4888! Harvey ! 
Div. ; on a mountain peak vn ar Swellendam, Bure ell, 7408! Humansdo 
iv. r Zitzikamma, 200 ft Se arte Then re abet iv.; near Port 
Elizabeth, ‘Hallack. Albany D s aseies oe mstown, 2200- 
2500 ft., MacOwan, 387 | Gulpin, 272, 292! eh ted gee 
48. D. venosa (Sw. in Vet. Acad. Handl. pire a0 1800, 213) ; 
plant #—1} ft. high ; stem somewhat flexuous, m tely slender ; 
leaves radical or subradical, 4—8, suberect or somewhat spread- 
a 
3-14 ft. high, with several narrow acuminate ge tir a spikes 
8-10 lin. long ; pedicels ut 2 in. long; flowers large, bright 
rose; dorsal sepal subgaleate, rhomboid-cuneate in ne, sub- 
obtuse, a 3 long; spur broadly sac-shaped, obtuse, very 
short ; lateral sepals elliptic-oblong, obtuse, about 2 in. long; petals 
bro adly oblong, incurved over the anther and subobtuse at the 
linear- ‘ ‘ 
about 4 lin. long ; ag ascending ; rostellum erect, 3-lobed ; side 
lobes incurved, furnished with a palo are behind ; front 
lobe concave, obtuse; s stigma p ‘ap. ed. 
Schult. 15 ; ) ceiee in Flora, 1845, 306, cad Fi. Cie. und Natal. 158 ; 
Sond. in Linnza, xix. a xk: vis . E. Br. Gard. Chron. 1885, 
é. 86 ; Kea ad Orch. Gen. et Sp. : TAL and in pone Wassahiat Gee 
Wier ien, XX. 6. D. excelsa, Thunb. Fl. Cap. ed. 1,1. 78, partly, not of Sw. ; 
and ed. Schult. 14. D. secunda, Lindl. Gen. & Sp. Orch. 348, partly, 
not of Sw.; Drége, Zwei Pf. pines 83. D. racemosa, var. 
venosa, Schlechter in Engl. Jahrb. xxxi. 227. 
SouTH tds : without hoes Thunberg ' re iat Villet ! 
eon REGI boat Div. ; Krakadouw Pass, Cederberg Range, 
000 Leip ld, cae 1 Div. pre hen unt t. 
rete “apo ame Hoek, ‘deine 9311! Cape Div.; Table Mountain, 
2400-3000 ft., Mund, 54! Harvey! a above Kirstenbosch, Bolus, 4845! Constantia 
Mountains, 3000 tt., H's wae ee epson egos Div. ; Hottentots Holland, 
ae , 1307. Knysna Div. - dstream River, 
pe Reeron 4 Ceres Di pation: Range, near Ceres, ~—e 4845, 
VOL. V.— SECT. III. 
