PL. CCCVIII. 
DISA GRANDIFLORA linn. fil. 
THE LARGE-FLOWERED DISA. 
DISA. Sepala aequilonga, libéra, posticum galeatum, nunc dorso v. basi in calcar polymorphum productum, 
nunc saccatum umbonatum v. planum, lateralia patentia. Petala nunc sepalis lateralibus similia, nunc minora obliqua 
v. valde polymorpha. Labellum a basi columnae patens, ecalcaratum sepalis saepius minus et sessile, v. interdum 
longe unguiculatum, lamina indivisa subtriloba v. lacero-fimbriata. Columna brevis crassiuscula ; rostelli lobi latérales 
erecti v. apice supra glandulas recurvi, médius parvus; stigma ad basin columnae a rostello distans, carnosum pulvi- 
natum v. elevato-cupulatum, plus minus basi labelli adnatum, integrum. Anthera cum clinandrio suberecta reclinata 
v. in dorsum columnae reflexa, loculis elevatis parallelis adnatis, apicibus (inferis) extremitate reverso-erectis v. ascenden- 
tibus interdum longiusculis, lobis lateralibus rostelli applicitis; pollinia in loculis solitaria, laxe granulosa, caudulis 
saepius elongatis, glandulis 2 nudis discretis affixa. Capsula oblonga, angusta v. fere linearis, erecta. 
Herbae terrestres, habitu Habenariae, tuberibus indivisis, caule nunc elato folioso, nunc tenui paucifolio v. 
foliis ad squamas vaginantes reductis. Flores in una specie maximi solitarii v. gemini, in aliis majusculis v. medio- 
cribus laxe spicati v. racemosi nunc parvi dense longeque spicati v. interdum fere in corymbum conferti v. ad. I v. 2 
reducti. Bracteae saepius floribus breviores. 
Species ad 50, Africae tropicae et australis et ins. Mascarensium incolae. 
Disa Bergiüs Descr. Pl. Cap. B. Spei (1767), p. 348. — Benth et Hook. Gen. PL, III, p. 630. 
Disa grandiflora. Caule erecto folioso; foliis lineari-lanceolatis acuminatis patentibus basi vaginantibus; racemo 
erecto 1-5-floro (rarissime 5-12-floro) ; floribus maximis speciosis ; bracteis ovato-lanceolatis acuminatis ; sepalis maximis, 
lateralibus planis ovatis acuminatis, sepalo postico cucullato ovato acuto, supra basin calcare breviusculo pendulo ; 
petalis oblique obovatis parvis ; labello lanceolato-lineare acuto apice recurvo ; columna erecta utrinque appendiculata, 
appendicibus ovalibus dimidiatis erectis cum anthera parallelis, margine laterali replicato dentato et cum dorso 
columnae basi adnato ; clinandrio magno dilatato carnoso trilobo, lobo medio inflexo ; anthera terminali erecta, 
apiculata, in parte posteriore clinandrii inserta, connectivo carnoso rigido, loculis parallelis, basi divaricatis solutis 
in lobis lateralibus clinandrii incumbentibus ; pollinibus gracilibus elongatis, glandulis nudis ; stigmate carnoso concavo. 
Disa grandiflora L. fil. Suppl. Pl. (1781), p. 406. — Ker. in Journ. Soc. of Arts, IV, p. 205, t. 5, fig. 1. — 
Lam. Encycl., III, p. 305, t. 727, fig. 1. — Lindl. Sert. Orch., t. 49. — Id. Bot. Reg., XI, t. 926. — Bot. Mag., 
t. 4073. — Pescatorea, t. 18. — Belg. Hort., V, p. 97, t. 7, fig. 1-2. — Fl. & Pomol. (1863), p. 105, cum tab. 
(var. superba). — Warn. Sel. Orch., ser. I, t. 36 (var. superba). — Rchb. Fl. Exot., II, t. 110. — Fl. d. Serres, 
t. 160. — JENN. Orch., t. 40. — Fl. Mag., II, t. 69. — Fl. & Pomol. (1872), pp. 274, 275, cum xyl. — Journ. 
Linn. Soc., VII, pp. 143, 145, cum xyl. — Id., XIX, p. 233, fig. I (columna). — Gard. Chron. (1875), p. I, p a 441, 
fig. g 0 . — Id. (1882), pt. I, p. 402, fig. 62 (infans). — Id. (1888), pt. 2, p. 665, fig. 94. — Reichenbachia, ser. 2, 
I, P- 33 > ^ ! 5 - 
Disa uniflora Bergiüs Pl. Cap. (1767), p. 348, t, 4, fig. 7. — Bolus Orch. Cape Penins., p. 147. 
Satyrium grandijlorum Thunb. Prodr. Pl. Cap. (1794), p. 4. 
Disa Barrelii, Hort., Fl. Mag., n. s. (1874), t. 104. 
his magnificent terrestrial Orchid is a native of Table mountain and 
one or two other localities in South Africa. According to Bolus it is 
found along the margins of streams (which frequently become dry in 
the summer) on Table mountain, from about noo to 3300 feet above sea level, 
and also extends eastwards on the Hottentot’s Holland range of mountains, and 
Cold Bokkeveld on the Gydouw Mt, and nortbwards has been reported from the 
Cederbergen. It usually flowers from January to March. It appears to hâve 
