TAB. 87. 



Tribe Ophryde^:. 



Sub-tribe DlSE^. 



Genus DiSA. 



Disa oligantha, Reichenbach fil. in Flora (1865), p. 182. — 

 Herba gracilis pusilla glabra ; caulis erectus strictus vel sub- 

 flexuosus foliatus 5-5-14 cm. altus ; folia radicalia 3-5, erecto- 

 patentia oblanceolata acuta basin versus longe attenuata in petiolum 

 vaginans, 1*5-4*5 cm. longa, in vaginas acuminatas sensim tran- 

 seuntia ; racemus subcorymbosus 2-4florus, floribus in genere 

 inter minores, erectis vel adscendentibus ; bracteae erectse lanceo- 

 latae acuminatag, ovario paullo longiores ; sepala lateralia adscen- 

 dentia incurva concava suboblique obovata obtusa, 0"7 cm. longa ; 

 sepalum impar horizontale, circuitu manu explicatum transverse 

 ellipticum, lateralibus paullo brevius Slobum, lobis lateralibus 

 erectis late rotundatis, intermedio cucullato obtuso apice incurvo ; 

 petala horizontalia carnosa circuitu obovata truncata, apice antice 

 lobata, lobo inflexo, 0*4 cm. longa ; labellum posticum porrectum 

 lineare obtusum, petalis aequilongum ; rostellum erectum 31obum, 

 glanduliferis brevissimis, intermedio concavo reflexo ; anthera 

 horizontalis ; ovarium rectum nee tortum, — {Ex exempli, plur. viv. 

 exsiccatisque). Penthea triloba, Sender in Liimcea, xix. (1847) 104 ; 

 D, paruilabris, Bolus in fount. Linn. Soc, v. xix. (1882), 344. 



Hab : South-western Region ; Cape Colony : in grassy 

 places, summit of Table Mt. near Maclear's Beacon, alt. 1081 met., 

 fl. Dec, A. A. Bodkin, in my herb. ; same place and month, 

 Wolley-Dod, 2338 ! same place and month. Dr. R, Marloth (No. 

 7984 in my herb.); Jonker's Hoek, distr. Stellenbosch, Dr. Marloth! 



Plate 87. Figs. 1, 2, flower, oblique view ; 3, ditto, posticous 

 view, shewing the posticous lip ; 4, one of the petals flattened out ; 

 5, ditto, natural position ; 6, odd sepal side view, anticous side on 

 the right ; 7, 7, lip from diff"erent flowers ; 8, column, with one 

 petal in situ. ; 9, one of the poUinia. 



A dwarf slender glabrous herb. 6 '6-14 cm. high ; stem erect 

 straight or subflexuous, leafy ; radical leaves, 3-5, erect-spreading, 

 oblanceolate, acute, towards the base long attenuate into a 

 sheathing petiole, l"5-4'5 cm. long, gradually passing upward 



