TAB. 69. 



Tribe Ophryde.k. 

 Sub-tribe DiSEvE. 

 Genus Disa. 



Disa patens Linn. f. Thunb. Flor. Cap. {cd. 1828), 10, not of 

 Sw. — Herba erecta g-labra humilis, 7-25 cm. alta ; caulis strlctus 

 vel flexuosus, vaginis foliaceis subdistantibus acutis vel acuminatis 

 vestitus ; folia radicalia plurima rosulata erecto-patentia lineari- 

 setacea acuminata, basi membranacea vaginantia, 0"7-1.7 cm. 

 longa ; racemus subcorymbosus laxe 1-3, rarius l-Gflorus ; pedi- 

 cellis late patentibus ; bracteai submembranacccC lanceolatce 

 acuminat£e ovario breviores ; sepala lateralia adscendenti-patentia ; 

 falcato-lanceolata acuminata, basi antice lobata, l"5-2 cm. longa ; 

 sepalum impar, erectum, fere planum, e basi breviter unguiculata 

 cordato-orbiculare acuminatum, lateralibus subaequilongum ; petala 

 erecta oblique falcato-lanceolata acuta, 0*7-0*8 cm. longa; labellum 

 deflexum, apice Scepius recurvum, lineari-setaceum, 1-1 "4 cm. 

 longum ; rostellum erectum ambitu semi-orbiculare, trifidum, 

 lobis glanduliferis divaricatis, intermedio valde recurvato ; antliera 

 horizontali-adscendens, connectivo elongato apiculato ; appendice 

 petaloidea apice libera ornata ; ovario cum pedicello 1*5-2 cm. 

 longo. (Ex exempli, pliir. vivis exsiccatisqiie). OphrijS pateilS, 

 Linn. f. Suppl. (1781), p. 404 ; Serapias patens, Thunb. Prodr. 

 Plant. Cap. (1794), p. 8 ; 0. tenuifolia, Simirts in Kongl. Vet. Acad. 

 Handl. xxi. (1800), p. 214 ; Penthea patens, Lindl. Gen. Sp. Orch. 

 (1838), p. 362. 



Hab : South-western Region ; Cape Colony : moist grassy 

 places on the hills and mountain tops of the Cape Peninsula, 

 frequent, alt. 244-157G met., ilor. Dec.-Febr., Burchell, 656, Drii^e, 

 1232, Bolus, 3913, Schlecliter, 145 ; and many other collectors ; 

 Steenbrass River, Caledon district, Mund ; Langebergen, neigr 

 Swellendam, Burchell, 7338. 



Plate 69. Fig. 1, odd sepal ; 2, 2, side sepals ; 3, one of the 

 petals ; 4, lip ; 5, column, petals and lip, side view ; 6, ditto, front 

 view, the intermediate lobe of the rostellum pushed up ; 7, column, 

 side view ; p, indicates the petaloid appendage ; 8, one of the 

 poUinia. 



