64 
SOUTH AFRICAN ORCHIDS 
4 — 10 cm., longa, 0-5 — 1-2 cm. lata; caulina 3 — 9, lamina infimi et secundi 
plus minusve producta, cetera vaginiformia acuta, internodiis aequilonga vel 
multo breviora, 5 — 1-5 cm. longa; spica saepius 5 — 12 cm. longa, sublaxe 
6 — 14-fl., floribus adscendentibus, dilute, vel interdum saturate, roseis; 
bracteae herbaceae orbiculari-ovatae vel oblongo-ovatae, 2 — 0-7 cm. longae; 
sepala lateralia late patentia vel subporrecta, obovato-oblonga, intus carmineo- 
maculata, 0-8 — 1-3 cm. longa, sepalum impar erectum galeatum, extus saepe 
maculatum, 0-5 — 0-9 cm. longum, calcare conico vel interdum subcylindraceo, 
2 — 4 mm. longo; petala erecta, apice incurva, in galea inclusa, oblonga obtusa 
rubro-fasciata, 4 — 6 mm. longa; labellum porrectum, ad apicem incurvum, 
anguste lineare, inconspicuissimum, petalis fere aequilongum; antbera patens 
vel leviter adscendens, connectivo leviter producto; rostellum erectum 
suboblongum, lobis glanduliferis subdivergentibus; stigma pulvinatum; cap- 
sula cylindrica, ad 2 cm. longa, 4 mm. diam. Bolus in Journ. Linn. Soc. xxv, 
199. Bot. Mag. t. 7206. Durand and Schinz, Conspect. FI. Afr. v, 109. Kranzlin, 
Orch. Gen. et Sp. I, 788, and in Ann. Naturhist. Hofmus. Wien, xx, 8. Schlechter 
in Engl. Jahrb. xxxi, 263. Rolfe in Flor. Cap. v, § 3, 238. D. venosa, Lindley, 
Gen. and Sp. Orch. 351, not of Swartz. D. excelsa, Sw., in Yet. Acad. Handl. 
Stockh. 1800, 213; Thunb., Flor. Cap. ed. Scliult., 14, partly. Orchis tripeta- 
loides, Linn. f. Suppl. 398; Murr., Syst. Veg. xiv, 807. Satyrium excelsum, 
Thunb., Prodr. 5, partly. 
Hab.: Cape Province: South-Western Region; many collectors — Caledon 
Div., Knoflook’s Kraal and Little Houw Hoek, 1000 — 3000 ft., Zeyher , 3916; 
Houw Hoek, 2500 ft., Schlechter, 9410; trunks of fallen trees in Grietjesgat 
River, near Palmiet River, 800 ft., fl. Dec., Bolus, 4209! Riversdale Div., by 
mountain rivulets near Riversdale, Schlechter. Knysna Div., mountains near 
Knysna, 200 ft., fl. Dec., Caroline Newdigate (MacOwan, Herb. Norm. Aust.- 
Afr., No. 1650!). Humansdorp Div., Kromme River, Thunberg. Uitenhage 
Div., waterfall on Van Stadens Berg, fl. Dec., MacOwan, 1095 ! South-Eastern 
Region: Natal; Alfred County, on wet banks, Murchison, alt. 2000 ft., fl. May, 
Wood, 1981 ! 
Rather slender in the genus, stoloniferous glabrous, 15 — 38 cm. high; 
radical and very lowest cauline leaves 7 — 9, ascending or nearly erect, oblong 
or linear, more rarely lanceolate, narrowed towards the apex, rather thick, 
somewhat leathery, up to 18 cm., usually 4 — 10 cm., long, 0-5 — 1*2 cm. wide; 
cauline leaves 3 — 9, the lamina of the lowest and following more or less 
produced, the rest sheath-like acute, as long as the internodes or much shorter, 
5 — 1-5 cm. long; spike usually 5 — 12 cm. long, rather laxly 6 — 14-fl., flowers 
ascending, pale, or sometimes deep, rose; bracts herbaceous, orbicular-ovate 
or oblong-ovate, 2 — 0-7 cm. long; lateral sepals widely spreading or rather 
projecting forwards, obovate-oblong, carmine-spotted within, 0-8 — 1-3 cm. 
long, odd sepal erect hooded, often carmine-spotted without, 5 — 9 mm. long, 
spur conical or sometimes rather cylindrical, 2 — 4 mm. long; petals erect, the 
