TABB. 66 & 67. 



Tribe Ophryde.^. 



Sub-tribe DlSE.^5. 



Genus DiSA. 



Disa crassicomis, LimUey, Gen. &= Spec. Orch. (1838), p. 348. 

 — Herba erecta valida glabra, 40-100 cm. alta ; folia radicalia 3-5, 

 e gemma distincta, erecto-patentia lanceolato-ensiformia acuta, 

 15-30 cm. long"a, 2-5 cm. lata ; caulis strictus, vaginis foliaceis 

 erecto-patentibus, ovatis vellanceolatis, acutis dense vestitus ; spica 

 oblonga, 13-40 cm. longa, dense multiflora, floribus adscenden- 

 tibus, inter maximos in genere ; bracteae membranaceae, ovato-vel 

 lanceolato-oblongas, acuminatae, apice sspe reflexae, flores asquantes 

 vel rarius ovario aequilongce ; sepala lateralia patentia ovato- 

 oblonga obtusa, sub apice mucronulata, 2"3-2*8 cm. longa ; 

 sepalum impar horizontale galeatum, ore obovato, apice emarginato, 

 supra basin in calcar arcuato-dependens, basi leviter inflatum, ad 

 3'5 cm. longum productum ; petala suberecta, oblique ovata 

 subacuta, sepalis squilonga ; labellum patenti-deflexum, rhom- 

 boideo-ovatum vel rhomboideo-lanceolatum, obtusum vel acutum, 

 petalis aequilongum ; rostellum adscendens oblongum 3dentatum, 

 dentibus acutis sequilongis ; anthera valde resupinata ; stigma 

 declinatum, rostello multo brevius ; ovarium 3-4 cm. longum. 

 {£!%■ exempli, duobus viv. pliitibusque exsiccalts.)—D. megaceras, 

 Hook./., in Bot. Mag., t. 6529 ; D. macrantha, Hort. nan S-JU. 



Hab. : South-eastern Region ; Cape Colony : in grassy 

 places on the Kagaberg, nr. Bedford,/. M. IVeale / (Xo. 1292 in 

 herb. Bolus.) Winterberg, fl, Dec, Zeyher, Barber; Boschberg, 

 nr. Somerset East, fl. Mar., Cooper, 529. MacOnuni ; in long grass 

 at the edge of the forest at foot of Great Katberg, fl. Dec, 

 JV. C. Scully, 181! nr. Komgha, alt. 600 met., fl. Oct., Z;^. G. 

 Flanagan, 524 ; nr. Kentani, alt. 300 met., fl. Nov., Alice Pegler, 

 315 ! grassy mt. slopes nr. F"ort Donald, Griqualand East, alt. 1350 

 met., fl. Dec, W. Tyson, 1593! nr. Clydesdale, alt. 900 met., 

 fl. Jan., id., 2900 ! 



Plate 66. Fig. 1, odd sepal, side view ; 2, one of the petals ; 

 3, lip — all nat. size ; 4, column, front view ; 5, ditto, side view; 

 6, pollinium — variously magnified ; 7, portion of the lower part of 

 the scape from another plant (Alice Pegler, 315) — nat. size. 



