TAB. 78. 



Tribe Opheydeae. 



Sub-tribe Diseae. 



Genus Disa. 



Disa stricta, Sonder, in Linnaea, vol. xix, p. 91 (1847) (j Eu-disa). 

 — Herba glabra erecta, 1-li^-pedalis ; caulis substrictus foliosus ; 

 folia 3-6, ensiformia acuta 3-nerva, infimum 10-15 cm. longum, 

 superiora sensim breviora, in bracteas abeuntia ; spica cylindrica vel 

 oblonga, 5-10 cm. longa, bracteis lanceolatis acuminatissimis sub- 

 membranaceis 3-5-nervis, inferioribus flores superantibus, superioribus 

 brevioribus ; sepala lateralia deflexa late ovata sub apice mucronulata, 

 4-5 mill, longa ; sepalum impar galeatiim basi infuudibulare in 

 calcare filiformi adscendente ovario 3plo breviore seusim attenuatum ; 

 petala nana sub galea iuclusa uncinata acuminata basi auriculata 

 incurva, colunmam paullo superantia ; labellum linguaeforme retusum, 

 3-4 mill, lougiim ; rostellum quadratum ; glaudulae approximatae, 

 stigma subexcavatum ; ovarium gracile, 1-1-5 cm. longum. {FaX 

 exempli, plur. vir. exsiccatisque.) 



Hab : South-eastern Region ; Cape Colony : On the Winterberg, 

 alt. between 1050 & 1850 met., Dec, Ecldon d- Zeijher ; Southern 

 slopes of the Katberg, Nov., Scull ij, No. 140!; Mt. Kemp, King 

 William's Town, 1200 met., Nov., T. /.'. Sim! 



Plate 78. Fig. 1, flower ; 2, odd sepal ; 3, one of the side sepals ; 

 4, lip; 5, column, with petals; 6, one of the petals; 7, column; 

 8, polhnia, — all variously magnified. 



A glabrous erect herb, 1-1^ ft. high ; stem usually straight 

 leafy; leaves 3-6, erect-spreading sword-shaped acute 3-nerved, 

 the lowest 10-15 cm. long, the upper gradually smaller, passing 

 into bracts ; spike cylindrical or oblong, o-lO cm. long, bracts 

 lanceolate very acuminate somewhat membranous 3-5-nerved, 

 the lower ones exceeding, the upper ones shorter than, the 

 the flowers ; side sepals deflexed, broadly ovate, mucronulate 

 below the apex, 4-5 mill, long ; odd sepal galeate, funnel-shaped 

 at the base, contracted gradually into a filiform ascending simr 

 one-third the length of the ovary ; petals small, included within 

 the galea, uncinate acuminate, auriculate at base, incurved, a 



