Disa.| ORCHIDE# (Rolfe). 21 
© 
. D. obtusa (Lindl. Gen. & Sp. Orch. 355) ; plant 3-14 ft. high ; 
stem moderately stout or rarely slender ; leaves radical and cauline, 
numerous, suberect, linear, acute, 2—7 in. long ; scapes 1-1} ft. high, © 
with reduced leaf- like sheaths above ; spikes -8 in. long, dense, 
many-flowered ; bracts lanceolate or linear-la nceolate, long-acuminate, 
4-? in. long; pedicels 3-4 lin. long ; flowers small, whitish or lilac, 
with darker spots and stripes ; dorsal — galeate, broadly ovate or 
era gata obtuse, 24-3 lin. long ; spur broadly conical, obtuse, 
abou 
sepals et ac obtuse, spreading, 2-2} lin. long ; petals oblong or 
falcate-oblong, obtuse, about 1 lin. long, with a short rounded basal 
limb in front ; lip linear or linear-oblong, obtuse, about 1} lin. long; 
column short; anther reflexed; rostellum erect, shortly bifid ; 
Lin c. : 
Schinz, Conspect. Fl. Afr. v. 105; Krénzl. Orch. Gen. et Sp. i. 792, 
and in Ann. Naturhist. Hofmus. Wien, xx. 8; Schlechter in Engl. 
Jahrb. xxxi, 247. 
He AFRICA: without locality, Masson! Brown! Bergius, Mrs. estar 
Sieber 
“ene Reaion: Cape Div. ; Table Mountain, 1000-3500 ft., Mind & Maire, 
Ecklon & Zeyher, Harvey! Wilson, Rehmann, 582 ! Schlechter, 162, Bolus, sso 
i iz 
and ‘olus, Herb. Norm. Austr.- ! Mu nberg, 1400 , 
Bolus, 4549! Schlechter, 162; Simons Bay, Wright, 133! 149! ons Town, 
Trimen! marsh at source of Slangkop River, Wo 212! Waai Vley, 
esd EE ache 
olley-Dod, 2126! Knysna Div.; Elands River, Penther, 295; Zitzikamma 
River, Penther, 48. 
ASTERN Recion : Natal; Umgeni River, Krauss, 23. 
I have not seen a Natal specimen, and Krauss’ specimen may not belong here. 
9. D. tabularis (Sond. in eee xix. 99); plant 3-1 ft. high ; 
iat ae leaves radical and auline, numerous, s sates ect, linear, 
2-5 lin. long ; sabe ig ft. high, with short leaf-like 
Treat’ ioe spikes 1-4 in. long, cylindrical, — many-flowered ; 
bracts ovate-lanceolate, acute, 3-8 lin. long ; pedi 3-5 lin. long ; 
flowers rather small, tawny- -yellow, with brown cts on the back of 
the dorsal sepal and margins of the lateral sepals ; dorsal sepal 
galeate, broadly ovate, subobtuse or apiculate, 34-4 lin. long ; spur 
broadly oblong or subsaccate, obtuse, about a quarter as long as the 
limb ; lateral sepals oblong, obtuse, 3-34 lin. long ; petals falcate- 
oblong, obtuse, 14-1} lin. long, wit th a round basal lobe in front ; 
lip linear, obtuse, nearly as long as the lateral sepals ; column short ; 
anther reclinate ; rostellum erect, short, emarginate, with a pair air of 
divaricate linear arms; stigma pulvinate. Sond. in Linnea, xx. 
219; N. E. Br. in Baek Chron. 1885, xxiv. 232; Bolus in Trans. 
S. Afr. Phil. Soc. v. 152, t. 15 ; Orch. Cap. Penins. ab - 15, and 
Journ. Linn. Soc. xxv. 198 ; Durand & Schinz, Conspec Fl. Afr. v. 
108 ; Kranzl. Orch. Gen. et Sp. i. 745; Schlechter in "Engl. Jahrb. 
xXxxi. 248, 
