TAB. 81. 



Tribe Ophryde^e. 



Sub-tribe Dis.'^:e. 



Genus DiSA. 



Disa cornuta Swartz, z« Kongl. Veiensk. Acad. Hmidl. 

 vol. xxi. (1800), p. 210. — Herba erecta robusta glabra, 20-45 cm. 

 alta ; caulis strictus validus foliosus ; folia erecto-patentia lanceo- 

 lata vel ovato-lanceolata acuminata margine undulata, basi vagin- 

 antia. 10-16 cm. longa ; spica cylindrica vel oblonga, dense multi- 

 flora ; bracteae foliaceae ovato-lanceolatae acuminatae saepius flores 

 aequantes ; sepala lateralia porrecto-deflexa late oblonga, obtusa 

 sub apice apiculata, 1*5 cm. longa; sepalum impar erectum 

 galeatum, ore orbiculari apice depresso, dorso in calcar patenti- 

 deflexum 1 cm. longum productum ; petala erecta lanceolato- 

 falcata, apice incurva, basi antice lobata, lobo oblongo rotundato 

 0-8 cm. longa ; labellum porrectum, late spathulato-obovatum, 

 convexum 0-8 cm. longum ; rostellum erectum bifidum ; anthera 

 resupinata ; ovarium cylindricum, costis prominentibus. {Ex 

 exempli, plur. viv. exsiccatisqiie.) — Orchis COrnuta Linn. spec, plant 

 ed. 2 (1763), p. 1330; Satyn'um cornutum, Thunb. Prodr. Plant. 

 Cap. (1794) 5. 



Hab. : South-western Region ; Cape Colony : Sandy downs 

 eastward of Cape Town, common, alt. ad 30 met. fl. Oct. -Dec, 

 many collectors ; Table Mountain, less frequent, ad 1066 met. 

 Burchell b'dS. Du Toit's Kloof, alt. 610-915 met., fl. Jan., Drdge, 

 sandy plains near Mossel Bay, fl. Oct., R. Schlechter ! ; hills near 

 Hoog Kraal's R., alt. infra 300 met. fl. Sept. Drege ; South- 

 eastern Region ; Bushman's River, near Olifant's Hoek, fl. Oct. 

 Zeyher ; near Port Elizabeth, Reed's Bog, Sept. alt. circ. 60 

 met. Bolus 1896 ; grassy places, Mts. near Grahamstown, alt. 615 

 met., MacOwan ; Katberg fl. Mart, Zeyher, 



Plate 81. Fig. 1, flower, sepals and galea removed, side 

 view ; 2, ditto, front view, lip removed ; 3, lamina of lip, the claw 

 cut off ; 4, one of the pollinia ; 5, ovary ; 6, section of ditto. 



An erect robust glabrous herb, 20-45 cm. high ; stem straight, 

 stout, leafy ; leaves erect-spreading lanceolate or ovate-lanceolate 



