AES 
OPHRYDEX. 371 
4. Disrznis tripetaloidea. 
D. caule erecto 2-4-floro, foliis cordato-oblongis acutis, sepalis glabris 
lateralibus pendulis sessilibus basi imá connatis pone basin foveatis, 
labello filiformi pubescente apice dilatato-rotundato appendice minimo 
concavo. 
Dryopeia tripetaloidea. Thouars l. c. t.3. A. Rich. l c. 
Hab. in Borbonia, Commerson ; Zeylond, prope Rambodde et Phoosalowe, 
Walker. (v. ic. pict. zeylan. in hb. Hooker.) 
I have seen no specimens lately of this plant, but it appears to be iden- 
tical with a species found in Ceylon by Mrs. Cummin, the daughter of 
Colonel Walker, from whom the botany of Ceylon has received so many 
illustrations. The latter has pretty pink flowers. 
9. DisrEnis cordata. Swartz, l. c. 
D. caule erecto bifloro, foliis cordatis acutis, sepalis lateralibus semicon- 
natis, (labello bilobo appendice recurvo clavato.) 
Dryopeia discolor. Thouars, l c. t.2. A. Rich. l c. 36. 
Hab. in Mauritio. 
I have seen no specimens of this, and am unable, from Thouars’ figure, 
to form any exact opinion concerning the structure of the labellum. 
A. Richard calls it ** cruciatum." 
$ 2. Labellum muticum. 
6. Dispers villosa. Swartz, l. c. Thunb. l.c. Ker, l. c. 6, t. 1, f. 5. 
D. undique pubescens, caule erecto apice 1-multifloro basi diphyllo, folio 
inferiore ovato-oblongo petiolato superiore acuminato complicato basi 
vaginante, sepalis lateralibus divaricatis sub apice gibboso-saccatis, la- 
bello lineari apice latiore acuminato supra columnam incurvo basi bi- 
calloso, bracteà flore breviore. 
Arethusa villosa, Linn. Suppl. 403. 
Hab. ad Cap. B. Spei; in collibus prope urbem, florens Aug. Sept., Thun- 
berg; in Draakensteenbergen, necnon prope Bergrivier et Paarl, in 
collibus, Drege. (hab. s. sp.) 
7. Disperis cucullata. Swartz, l. c. Ker, l. c. 6, t. 1, f. 4. 
D. caule erecto diphyllo unifloro foliisque oblongis basi vaginantibus 
superiore angustiore subtüs pubescentibus, floribus glabris, sepalis late- 
ralibus divaricatis acutis medio acut® saccatis, bracted flori equali vel 
longiore. 
Hab. ad Cap. B. Spei, Forbes ; in Paarlberg, Drege. (hab. s. sp.) 
Priori similis, sed flores majores, et folia omninó diversa. Quatuor tan- 
tum exemplaria vidi, omnia uniflora. Labelli fabricam haud determi- 
navi, 
8. Disreris oppositifolia. Smith in Rees. 
D. glabra, caule diphyllo unifloro vel apice corymboso, foliis ovatis earn 
libus suboppositis, sepalis lateralibus foveatis unguiculatis s serr 
connatis, labello unguiculato bilobo pubescente : laciniis linearibus 
varicatis, Soe: 
Devopeia oppositifolia. Thouars, Orch. Afr. t.1. Ach. Rich, Orch. Maurit. p. 35. 
