TAB. 68. 



Tribe Ophkyde.'E. 



Sub-tribe DiSE/E. 



Genus DiSA. 



Disa filicornis, Thunberg, Flor. Cap. ed. lH2;-5, 861. — Herba 

 humilis erecta tenella, glabra 10-20 cm. alta ; folia radicalia plura 

 erecta vel suberecta rosulata, anguste linearia acuta, l*5-4 cm. 

 longa, basi dilatata membranacea vaginantia ; caulis s^pius 

 strictus rarius subflexuosus, vaginis foliaceis pluribus basi dilatatis 

 caulem amplectentibus vestitus ; racemus interdum corymboideus 

 laxe 3-8 florus ; bracteae erectce lanceolate acuminatce ovario 

 subaequilongse vel pauUo longiores ; sepala lateralia patentia 

 oblonga, sub apice mucronulata, 1'6 cm. longa ; sepalum impar 

 erectum concavum e basi unguiculata orbiculare lateralibus 

 a^quilongum ; petala erecta lineari-falcata obtusa, 1-1*1 cm. longa; 

 labellum deflexum lineari-setaceum, O'8-l cm. longum ; rostellum 

 erectum Bfidum, brachiis glanduliferis divaricatis, intermedio 

 triangular! erecto ; anthera adscendens, appendice petaloidea 

 alaiformi, marginibus crispulatis, ornata ; ovarium cylindricum, 

 cum pedicello 1*5 cm. longum. {Ex exeuipU. pluribus vivis cx- 

 stccaiisque.) — Orchis fliicornis, Linn. f. Suppl. (1781), 400; Disa 

 patens, Szvarts. in Kongl. Vet. Acad. Handl. xxi. (1800),/, 214, 

 not of Thunberg ; Penthea fiiicornis. Lindl., Gen. 6^ Sp. Orch. 

 (1838), p. 361. p. reflexa LindL I.e. Disa rejlexa, Reichb. f. in 

 Flora (1865),/. 182. 



Hab. : South-western Region ; Cape Peninsula, on the hills 

 and mountains, alt. 335-762 met., chiefly in moist places, frequent 

 from Oct. -Dec, many collectors ; Caledon district, Sir Lowry's 

 Pass, Drege ; near Grabouw, C. H. Grisbrook (No. 6885 in my 

 herb.) between Villiersdorp and French Hoek, Bolus, 5276! near 

 Riversdale, R. Schlechter, 1909, near George, alt., 210 met., Nov. 

 id. 5865 ; Montagu Pass, 640 met., fl. Jan., Bolus, 13464 ; on 

 Zwartberg Pass, dist. Prince Albert, 1524 met., fl. Dec, Bolus, 

 11643 ; also extends (fide Schlechter) eastward as far as Pletten- 

 berg Bay ; and northwards as far as Tulbagh. 



Plate 68. Fig. 1, perianth segments ; 2, odd sepal ; 3, 

 column, front view ; 4, ditto, side view ; 5, one of the pollinia. 



