TAB. 90. 



Tribe Ophryde^. 



Sub-tribe DiSE^:. 



Genus Disa. 



Disa Bolusiana, Schlechtcr in Engl. Bof. Jahrb. vol. xxlv. 

 (1898). 430.— Herba erecta o^labra, 12-25 cm. alta ; caulis s^epius 

 strictus rarius subflexuosus, basi foliatus supra medium vaginis 

 8-4 arete appressis acutis dense vestitus ; folia 8-4 patentia vel 

 saepius erecta lanceolata acuta, 4-6 cm, long-a ; spica oblong-a 

 vel c} lindrica, 6-llflora, floribus adscendentibus ; bracteee ovatai 

 acuminatce, ovarium ffiquantes vel paullo superantes ; sepala 

 lateralia patenti-recurva, oblique ovata obtusa, 0*8 cm. long-a ; 

 sepalum impar erectum, lateralibus squilongum, cucuUato- 

 galeatum, ore oblongfo, basi in calcar dependens subcylindricum 

 obtusum ovarium paullo superans productum, ostio calcaris infun- 

 dibuliformi ; petala erecta, oblique ovato-oblong-a, apice obscure 

 biloba, 0-6 cm. long-a ; labellum deflexum linguiforme obtusum, 

 petalis jKquilongum ; rostellum erectum, brachiis obtusis utrinque 

 auriculata, rima profunda inter id et stigma ; anthera valde 

 resupinata ; glandula unica ; stigma rostellum paullo superans. 

 [Ex excinpl. tinico vivo snb nuniero 4908 delineato, phir. 

 exsiccatisqne . ) 



Hab, : South-western Region ; Cape Colony : Grassy places 

 summit of Table Mt. just below Maclear's beacon, alt. 1066 met., 

 fl. Jan., IV. C. Scully ! (No. 4903 in my herb.) ; same place, A. A. 

 Bodkin! slopes of the Langebergen, above Zuurbraak, ditione 

 Swellendam, alt. 940 met., fl., Jan., R. Schlechter, 



Plate 90. Fig. 1, flower, side view ; 2, odd sepal ; 3, one of 

 the lateral sepals ; 4, one of the petals ; 5, lip ; 6, column, side 

 view ; 7, ditto, seen from above ; 8, pollinarium ; 9, flower, front 

 view — all variously magnified. 



An erect glabrous herb, 12-25 cm. high ; stem usually straight, 

 more rarely subflexuous, leafy at base, clothed above the middle 

 with 8-4, closely appressed, acute imbricating sheaths ; leaves 8-4 

 spreading or more often erect lanceolate acute, 4-6 cm. long ; 

 spike oblong or cylindrical, 6-llflowered, flowers ascending ; bracts 

 ovate acuminate, as long as or a little longer than the ovary ; 



