Disa. | ORCHIDEA (Rolfe). 239 
Sour Arrica: without tea ones Brown! Masson! Carmichael! 
Coast ReEcIon: Stellenbosch Div. ; Hottentots Holland Mountains, Bowie ! 
er aledo: ; Knoflooks ‘Kees Little Houw Hoek, 1000-3000 ft., 
Zeyher, 3916! Houw Hoek, 2500 it., Schlechter, 9410! ! trunks of fallen 
in Grietjesgat River, near Palmiet River, 800 ft., Bolus, 4209! Riversdale 
Di Vv 3 near Riversdale, Schlechter e0 iv.; Wo 
Drift, Malgaten River, Burchell, 6123! Geo e, or! Bowie! Penther, 101; 
near rivulets abov ontagu Pass, 4000 ft., Schlechter, 5843, Krook ysna 
wR 
2 > 
S&S 
Rw 
cere 
bh 
_ 
io 
fs] 
5 
urbraa 
eak near Swellendam, Burchell, Sorbet ap 
mountain slopes. near Co ae ee ft., Bolus, 7339! and in "Mac : 
Bolus, Herb. Norm. Austr.-Afr, 1 
* AST on aplonnnle Natal; on we banks, Murchison, Alfred Co., 2000 ft., 
ood, 198 
45. D. triloba (Lindl. Gen, & Sp. Orch. 351) ; plant 4-6 in. high ; 
eae stout ; rected radical, 3-6, oblong or lanceolate-oblong, pa 
acute, 1-2 i ong ; scapes 4-6 in. high, with numerous oblong 
meant Ae Op spikes 1-1} in. long, compact, 4—9-flowered ; 
bracts oblong or lanceolate-oblong, acute, 6—9 lin. long; pedicels 
9 lin. long ; ers medium ; dorsal sepal subgaleate, 
obovate-oblong, sibtrilobed siete: adbadite: somewhat attenuate 
below, about $ in. long; spur very slender, from a narrowly 
base, subobtuse, 3-4 lin. long ; lip linear, long ; column 
scarcely 1 lin. long; anther reclinate.; eee obtuse 3-lobed ; 
stigma Sani ill rah Zwei ocumente, 114; ie in 
Journ. Linn. Soc. 200 ; Durand & Schinz, Conspec ct. Afr. v. 
109 ; Krénzl. ok ‘Ge en. et Sp. i. 772. D. sagittalis, var. . triloba, 
Schlechter in Engl. Jahrb. xxxi. 232. 
Coast Recton: Worcester Div. ; on mountains near De Liefde, 1000-2000 ft., 
Drége, 1236! 
46. D. sagittalis (Sw. in Vet. Acad. Handl. Stockh. 1800, 212) ; 
plant }-1 ft. high; stem moderately stout; leaves radical, 4—9, 
oblong or lanceolate-oblong, acute, subme mbran ous, 1-5 in. long ; 
scapes 3-1 ft. high, with numerous oblong acute subimbricate 
into two broadly oblong tee obes above, each near 
long ; spur slenderly conical, 24 lin. long; lateral sepals oblong, 
subobtuse, about 4 lin. long ; ‘petals linear, obtuse, about 4 lin. long, 
with a broad auriculate basal lobe in front ; lip linear, obtuse, about 
4 lin. long; column 1 lin, long ; anther reclinate ; rostellum obtusely 
3-lobed ; stigma pulvinate. Thunb. Fl. Cap. ed. Schult, 9; Lindl. 
