TAB. 91. 



Tribe C)phkydp:.4-:. 



Sub-tribe DisK.4<:. 



Genus DiSA. 



Disa cernua, S^mr/s in Kongl. Vetensk, Acad. HandL, vol. xxi. 

 (1800), p. 211.— Herba robusta erecta glabra, 20-50 cm. alta ; 

 caulis strictus validus foliatus ; folia erecto-patentia lineari- 

 lanceolata acuta, 10-18 cm. longa ; spica cylindrica, dense 

 mnltiflora, 8-25 cm. longa, 2*5-8-5 cm. diametro ; bracteae erecto- 

 patentes foliaceae lanceolatce acutae saepius floribus breviores ; 

 sepala lateralia deflexa oblonga obtusa, 1 cm. longa ; sepalum 

 impar cucullato-galeato, ore obovato-oblongo, basi in calcar 

 pendulum inflatum obtusissimum, ovario multo brevius productum; 

 petala erecta, oblique ovato-oblonga, basi dorso ampliata; labellum 

 deflexum linguiforme obtusum, sepalis aequilongum ; rostellum 

 adscendens, brachiis glanduliferis obtusis, alis patenti-reflexis 

 ornatum, rima inter stigma et rostellum obsoleta ; anthera valde 

 resupinata ; glandula unica semi-lunata. {Ex exempl. nnico vivo 

 pluribiisqiie cxsiccatis.) — Disa physodes, Swnrtz in Kongl. Velensk. 

 Acad. Handl., vol. xxi. (1800), p. 212 ; D. pmsinata, Ker in Bot. 

 Reg. iii. (1817), A 210 ; £), densiflora, Bolus in Joiirn. Linn. Soc. 

 Bot., vol, XXV. (1890), p. 197 ; Monadenia prasinata, Lindl, 

 Gen. & Sp. Orch. (1888),/.. 858 ; M. densiflora, Lindl. Gen. 6- Sp. 

 Orch, (1888), p. 857 ; M. inflata, So?id in Linmca xix. (1847), 

 />. 102 ; M: physodes, Reichb. f. in Flora (1883), 461 ; M. cernua, 



Dur. & Schin5 Consp. Flor. Afr. 5, /», 111 (1895). 



Hab, : South-western Region ; Cape Colony : Sandy plains 

 near Wynberg, Zeylier, 1569! ; lower slopes of Lion Mt., near 

 Sea Point, alt. 60 met., fl. Sept., Le Sueur (No. 4973 in my herb.) ; 

 near "the Commetje," Chapman's Bay, fl. Oct., JlWhy Dod, 

 8685 ! ; hills near Malmesbury, alt. 90 met., fl. Oct., Bolus, 4886, 

 R. Schlechter \ near the waterfall, Tulbagh, alt. 120 met., fl. .Sept., 

 R. Schlechter, 1452 ; near Groene Vlei, Piquetberg, fl. Oct., Bolus, 

 18466; near Ceres, alt. 455 met., fl, Oct., Bolus; Montagu Pass, 

 near George, alt. 365 met., fl. Oct., E. J J'. Young (No. 5584 in my 

 herb.) ; near Knysna, alt. 6 met., fl. Nov., R. Schlechter. 



Plate 91. Fig. 1) flower, front view ; 2, odd sepal ; 3, one of 

 the lateral sepals ; 4, column with petals in situ, front view ; 



