TAB. 79. 



Tribe Ophryde.'E. 



Sub-tribe DiSK.'J-:. 



Genus Disa. 



Disa gladioliflora, Burchell, ex Lindley Gen. €^ Sp., Oct. 

 (183H), 852. — Herba erecta glabra gracillima, 30-45 cm. alta ; folia 

 2-5 radicalia erecta rigida anguste linearia acuta, per anthesin 

 marcescentia, 10-23 cm. longa ; scapus strictus vel subflexuosus, 

 vaginis 3-4 herbaceis distantibus acuminatis arete appressis 

 vestitus ; racemus laxe G-14florus, floribus adscendentibus ; 

 bracteae erectie membranaceae lanceolatae acuminatte saepius- 

 ovario pauUo breviores ; sepala lateralia patentia oblonga obtusis- 

 sima, sub apice apiculata, 1'1-1'6 cm. longa; sepalum impar 

 erectum subgaleatum, ore lanceolato insigniter acuto, sepalis 

 lateralibus paullo brevius, dorso in calcar patenti-deflexum 

 filiforme, ovario brevius sensim productum ; petala erecta lanceo- 

 lato-falcata acuminata, antice basi ampliata, 0-4 cm. longa ; labellum 

 porrectum oblongum, apicem versus ampliatum, obtuse apiculatum, 

 sepalis lateralibus aequilongum ; rostellum erectum brevissimum, 

 leviter excisum ; anthera resupinata ; ovarium cum pedicello 

 1-7-2-5 cm. longum. {Ex exempli, plur. viv. exstccalisque.) — D. 

 capricornis, Reichb. f. in Linncea^ xx. (1847), 689. 



Habi : South-western Region ; Cape Colony : district of 

 Knysna, Paarde Berg, between Avontuur and Plettenberg Bay, 

 March 27 (1814), Bnrchell, 5184 ; near Millwood, Stoltenhof, No. 

 5957 in my herb., an unusually large-flowered form ; district 

 Swellendam, slopes of the Langebergen, alt. 915 met., fl. Febr., 

 (1890), near the town, W. Borcherds, in Herb. Norm. Austr., Afr., 

 No. 1099 ! near Riversdale, slopes of the Langebergen, alt. 305 

 met., fl. Feb., R. Schlechler, 2218. 



Plate 79. Fig. 1, flower ; 2, odd sepal, side view ; 8, one of 

 the side sepals ; 4, 4, petals in different positions ; 5, one of the 

 petals from another flower ; the petals and lip in this species, as in 

 many others, sometimes differ considerably ; G, 7, lip from different 

 flowers ; 8, column, with petals, front view ; 9, column, side view. 



An erect glabrous, very slender herb, 30-45 cm. high, leaves 

 2-5 radical erect rigid narrow-linear acute, withering during the 



