TAB. 77. 



Tribe Ophrydeae. 



Sub-tribe Diseae. 



Genus Disa. 



Disa auriculata, u. sp. (§ Monadenia). — Herba glabra erecta, 

 13-36 cm. alta ; caulis strictus laxe foliosus ; folia anguste lanceolata 

 acuta adsceudentia, 4-8 cm. longa, superiora sensim minora ; spica 

 eyliudrica multitiora longitudine dimidiae totae plantae ; bracteis lan- 

 ceolatis acuminatis, superioribus floribus aequilongis, inferioribus 

 Acres excedentibus ; sepala lateralia e basi lata oblonga subobtusa, 

 obscure 3-uerva, 4-5 mill, longa ; sepalmn impar cucullatum oblongum 

 obovatumve obtusum, lateralibus aequilougum, calcare inflate obtuse 

 limbo fere aequilongo donatum ; petala rhomboideo-falcata antice 

 incrassata, papillosa; labellum a fronte visum oblongum obtusissimum, 

 a latere visum clavatum incrassatum carnosum, 3-4-5 mill, longum ; 

 rostellum erectum obovatum, plica auriculiformi utroque latere 

 apicem versus ornatum. (-E'.i; exempli. 2 viv. plur. exsiccatisque.) 



Hab: South-western Region; Cape Colony: on tbe Steenberg 

 Mt. of tbe Cape Peninsula, at about 360 met. alt., fl. Oct., F. Guthrie, 

 junior! ; in grassy places near Storm's Eiver, distr. Humansdorp, alt. 

 90 met., fl. Nov., Schlechter, No. 5958 ! 



Plate 77. Tbe wbole plant is drawn from a specimen of Scblechter's 

 as above ; tbe analytical figures from a smaller plant of Gutbrie's, 

 difi'eriug only from tbe former in sligbt details. Fig. 1, flower; 

 2, 3, odd sepal, front and side view ; 4, one of tbe side sepals ; 

 5, petals, with column ; 6, a petal, outer side ; 7, lip, side view ; 

 8, column, side view; 9, ditto, back view; 10, ditto, front view; 

 11, pollinia, — all variously magnified. 



A glabrous erect herb, 13-36 cm. high ; leaves ascending 

 narrow lanceolate acute, 4-8 cm. long, the ujDper gradually 

 smaller; spike cylindrical many-fl., about half the length of the 

 whole plant ; bracts lanceolate acuminate, the upper equalling, 

 the lower longer than the flowers ; side sepals from a wide base 

 oblong subobtuse, obscurely 3-nerved, 4-5 mill, long ; odd sepal 

 eucullate oblong or obovate obtuse, as long as tbe side sepals, 

 spur inflated obtuse nearly as long as the limb ; petals rhomboid- 



