TAB. 76. 



Tribe OphrydE/K. 



Sub-tribL- DiSE.i-:. 



Genus UiSA. 



Disa lugens Bolus injourn. Linn. Soc, vol. xx. (1HH4), p. 183. 

 — Herba erecta '-racillima glabra, 40-HO cm. alta ; folia radicalia 

 0-12, linearia irraminoidea acuta, rigida, supra canaliculata subtus 

 carinata 20-55 cm. longa ; scapus strictus vel subflexuosus, 

 vaginis membranaceis arete amplectentibus acuminatis distant.bus, 

 vestitus; racemus siepe flexuosus, laxe 5-15florus, 10-22 cm. 

 longus, floribus late patentibus ; bractea; suberecta; membranaceae 

 ovatai acuminatissimai, ovario multo breviores ; sepala lateraha 

 patentia oblonga acuta, 1-1 -4 cm. longa ; sepalum mipar erectum 

 -aleatum, ore suborbiculari, dorso in calcar conicum adscendens, 

 0-8 cm. long-urn productum ; petala resupinata, talcata apice 

 ampliata bilobulata, lobulls acutis vel acuminatis ; labellum 

 patenti-deflexum recurvum oblon-o-lin-ua;forme protunde lacerato- 

 multifidum, laciniis apicem versus sa^pe 2-llobis, 1 •8-2-3 cm. 

 lon-um ; rostellum erectum 3fidum lobis ccquilon-is, mtermedio 

 postposito, ut -landulam unicam suborbicularem teneat ; anthera 

 resupinata. [Ex exempli, phir. vlv.)^Herschelia lugens, Kranzlin, 

 Orch. Gen. Spec. I. (1900), 805. 



Hab.: South-western Region; Cape Colony: Amongst 

 Restiace^ on sandy downs called the - Cape Flats " between Cape 

 Town and Muizenberg, alt. circ. 20-30 met., fl. Oct.-Nov., Bolus 

 3810; A. Bodkin In Herb. Nonn. Aust. Afr.. 491; near Ku.ls 

 River, Pappe, 39 '.-South-eastern Region : between Grahams- 

 town and Port Elizabeth, O'Brien; near Grahamstown, alt. 

 670 met., " said to be rare," Galpin. 



Plate 76' Fig. 1, flower, front view ; 2, column, with petals, 

 oblique view \ 3, one of the lateral sepals ; 4, portion ot the hp ; 

 5, poUinarium ; 6, section through a leat. 



An erect slender glabrous herb, 40-80 cm. high ; leaves radical 

 6-12 linear, grass-like, acute, rigid, canaliculate above, cannate 

 below; 20-55 cm. long; scape straight or subflexuous, clothed 

 with membranous distant closely-clasping acuminate sheaths , 

 raceme often flexuous, laxly 5.15flowered, 10-22 cm. long, the 



