TAB. 34. 



Tribe Ophryde.^. 



Sub-tribe Dise^. 



Genus Disa. 



Disa clavigera, Bolus, Orch. Cape Penins. p. 163 (1888) — (§ Schizo- 

 dium). — Scapus erectus gracillimus rigidiusculus, ad interuodia flexus, 

 vagiuis cucullatis 2-3 vestitus, 7*o-12-5 cm. altus ; fulia radicalia 3-5 

 rosulata spathulata acuta laxa pateutia, fere 1 cm. longa; racemus 

 laxe 2-6-florus, pedicellis adsceudeutibus per antbesiu elongantibus, 

 inferioribus cum ovariis 1-1-1 -6 cm. longis; sepala lateralia oblongo- 

 lanceolata acuta, 5 milL longa ; sepakim impar brevius subconforme, 

 magis coucavum, decumbeus, calcari fibformi adscendente vel bori- 

 zontab, apicem versus iuflato retuso Hmbo tequilongo ; petala oblouga, 

 oblique torta, apice truncata dentataque, basi parum ampliata ; label- 

 lum subpandurteforme, bypocbilium rotundatum concavum adscendens, 

 mesocbilium ovatum couvexum deflexum, iu epicbilium subulatum 

 rostriforme margiuibus iuflexis gradatim contractum, totum sepalis 

 subfequilongum. (Ex exempli, plur. viv.) Schizodium clavigerum, 

 Lindley, Gen. d Sp. Orch., p. 360 (1838). 



Hab : South-western flegion; Cape Colony: rocky places on 

 Table Mt. near Cape Town, fl. Sept., Ecklon & Zeyher (fide Sender) ; 

 Paarl and Groene Kloof, Drege ; near Stellenboscb, alt. 90 met., fl. 

 Aug., Miss Farnham (5923 in my herb.) ; slopes of tbe Zwarteberg, 

 near Caledon, alt. 520 met., fl. Sept., Bolus, 7514. 



Plate 34. Fig. 1, 2, flower, front and side view, — magnified 4 

 diameters ; 3, a side sepal ; 4, odd sepal, viewed from above ; 5, lip, 

 front view ; 6, ditto, side view ; 7, column with petals, front view ; 8, 

 column, witb one petal, side view, — all tbe latter magnified 6 dia- 

 meters ; 9, one of tbe pollinia, magnified. 



Scape erect very slender wiry rigid polished, bent at the inter- 

 nodes and furnished with 2-3 cucullate sheaths, 7*5-12*5 cm. 

 high ; leaves 3-5, radical rosulate spathulate acute, loosely 

 spreading, nearly 1 cm. long; raceme loosely 2-6-fl., pedicels 

 ascending, lengthening during the flowering, the lower ones with 

 the ovaries about 1"5 cm. long; side sepals oblong-lanceolate 

 acute spreading, 5 mill, long ; odd sepal similar but shorter and 

 more concave, decumbent, spur filiform ascending or horizontal. 



