TAB. 91. 



Tribe Ophetdeae. 



Sub- tribe Corycieae. 



Genus Disperis. 



Disperis purpurata, Reichenbach fil., in Linnaea, vol. xli, />. 55 

 (1877). — Herba humilis erecta, 3-7-uiiciali3 ; caiilis bifoliatus saepius 

 scabro-puberulus ; folia remota, inferius cordato-orbiculare acutum, 

 l'o-2'2 cm. longuiQ, superius minus angustius ; lios soUtarius, 

 bractea anguste lanceolata, 1-1-3 cm. longa, ovario brevior ; sepala 

 lateralia patentia elliptica, obtuse altecjue saccata ; sepalum impar 

 conico-saccatum, ostio lanceo acuto, lateralibus aequilongum ; petala 

 obovata acuta, margine antico lobato ; labellum basi ligulatum, supra 

 medium in processum instar spatbae poculiformis expansum, dentibus 

 duobus ex utroque margine quasi ausulis auctum, 8 mill, longum ; 

 rostellum ovatum, bracbiis latis brevibus tortis ; granulae pollinium 

 subaciculares. (Ex exempli, plur. riv.) D. namaquensis, Bolus, in 

 Joiirn. Linn. Soc. (Bot.), vol. xx, p. 486(1884). 



Hab: South-western Region; Cape Colony: Hantam Mts., near 

 Calvinia, Dr. Meyer; near Ookiep, Nama'land, fl. Oct., Rev. W. Morris!; 

 in stony places, near Kasteel Poort, same district, alt. about 950 met., 

 fl. Sept., Bolus, Xo. 5820. 



Plate 91. Fig. 1, one of the side sepals; 2, odd sepal; 3, petals; 

 4, column, with lip, side view, g, the gland of the pollinia ; 5, ditto, 

 viewed from above and somewhat in front ; 6, pollinia incurved after 

 withdrawal, — all variously magnined, 



A small erect herb, 3-7 inches high ; stem 2-leaved usually 

 roughly puberulous ; leaves distant, the lower cordate-orbicular 

 acute, l*5-2"2 cm. long, the upper smaller and narrower; flower 

 solitary narrow-lanceolate, 1-1-3 cm. long, shorter than the 

 ovary; side sepals spreading elliptical, deeply and obtusely 

 saccate, 1 cm. long ; odd sepal as long, conical-saccate, the 

 mouth lanceolate acute ; petals obovate acute, front margin 

 lobed ; Up ligulate at base, dilated above into a spathe-like or 

 goblet-shaped piece, with a projecting acute tooth on the margin 

 in front and behind resembling handles, 8 mill, long ; rostellum 



