TAB. 42. 



Tribe Ophryde^. 



Sub-tribe DiSE.'E. 



Genus DiSA. 



Disa ophrydea, Bolus, in Orch. Cape Pejiins. (1888), p. 142. — 

 Herba erecta glabra, 10-37 cm. alta ; caulis strictus vel flexuosus, 

 gracilis vel subvalidus, foliatus, foliis B-6, erecto-patentibus vel 

 adscendentibus incurvis, lineari-lanceolatis acutis, 5-10 cm. longis ; 

 spica gracilis sublaxe 4-15fl., floribus adscendentibus ; bracteae 

 oblongo-ovatae acuta, ovario subcequilongae ; sepala lateralia 

 patentia ovato-oblonga obtusa, 0*8-1 cm. longa ; sepalum impar 

 erectum galeato-concavum cuneato-obovatum, calcare dependente 

 filiformi, ovario aequilongo ; petala erecta falcata concava, oblique 

 ovato-oblonga, obtusa vel subacuta, 0*G-0"8 cm. longa ; labellum 

 deflexum ligulatum, apicem versus paullo dilatatum, obtusum, 

 sepalis lat. eequilongum ; rostellum erectum altum, untrinque 

 prominenter auriculatum, anthera valde resupinata, connectivo 

 loculis cequilongo, glandula unica ; ovarium 2-2-5 cm. longum. 

 {Ex exempli, plur. viv. exsiccalisque.) Monadenia ophrydea, 

 LindL, Gen. & Spec. Orch. (1838),/.. 358. 



Hab. : South-western Region ; in damp places, Drakensteen- 

 bergen, alt. 600-900 met., fl. Oct., Drege ; Table Mt.,alt. 660 met., 

 fl. Oct., Bolus, 4538 ! Zeyher, 3924 ; Source of Slangkop R., fl. 

 Sept., Wolley-Dod, 2992! Muizenberg, alt. 420 met., fl. Oct., 

 Bolus! (Herb. Norm. Aust.-Afr., 171.) R. Schlechier ; Lange- 

 bergen, near Riversdale, alt. 300 met., fl. Nov., id. 2027; 

 Kampsche Berg, near (iarcia's Pass, alt. 360 met., fl. Oct., E. E. 

 Galpin, 4610 ! Outeniquabergen near Montagu Pass, alt. 1200 

 met., fl. Nov., R. Schlechier, A. PeniJier. 



Plate 42. Fig. 1, 1, lateral sepals ; 2, odd sepal ; 3, 3, petals ; 

 4, lip ; 5, column, front view ; 6, ditto, back view — all variously 

 magnified. 



An erect glabrous herb, 10-37 cm, high ; stem straight or 

 flexuous, slender or somewhat stout, leafy, the leaves 3-6, erect- 

 spreading or ascending incurved, linear-lanceolate acute, 5-10 cm. 

 long ; spike slender somewhat laxly 4-15fl., the flowers ascend- 

 ing ; bracts oblong-ovate acute, about as long as the ovary ; 



