TAB. 76. 



Tribe Ophryde^. 

 Sub-tribe CORYCIE^. 

 Genus Pterygodium. 



Pterygodium acutifolium, Lindlev, Gen. & Spec Orch. 

 (1838), p. 3G6, — Herba erecta glabra, 20-40 cm. alta ; caulis 

 saepius subrobuj>tus, strictus 3-4foliatus, foliis distantibus de- 

 crescentibus, apice subdense 4-lOfl., floribus racemosis suberectis ; 

 folia erecta, inferiora oblong-o-linearia acuta, basi vaginantia, 

 5-15 cm. longa, superiora lanceolata acuminata vaginiformia, 

 2 "4-5 cm. longa ; bracteae herbaceae ovato-lanceolatae acuminatae, 

 ovarium excedentes ; sepala lateralia patentia, oblique ovata, 

 acuminata concava, basi sacculata, 1*2-1 '4 cm. longa ; sepalum 

 impar erectum subgaleatum apiculatum, lateralibus aequilongum ; 

 petala erecta, fere semi-orbicularia, concava, margine obscure 

 undulata, sepalo impari sequilonga ; labelli limbus deflexus rhom- 

 boideus acuminatus, 0"7-0"8 cm. longus, appendice erecto oblongo, 

 apicem versus attenuato incurvo et lineis carnosis duabus praedito, 

 1 cm. longo ; rostelli brachia adscendentia ; stigma sublunatum. 

 {Ex exempli, phw. viv. exsiccatisqiie.) 



Hab. : South-western Region ; nr. the Tulbagh Waterfall, 

 Zeyher, 1572; nr. Groene Kloof, Bolus; Cape Peninsula, moist 

 places on the mountain-tops, Steenberg and Muizenberg, alt. 240- 

 420 met., fl. Nov.-Dec, C. B. Fair! (No. 9431 in herb. Bolus.) 

 Bolus! (Herb. Norm. Aust.-Afr., 175.) Wolley-Dod, 1930! Table 

 Mt., alt. 1050 met., fl. Dec-Jan., Bolus, 4334, R. Schlechter, 93; 

 Langebergen, nr. Riversdale, alt. 450 met., fl. Nov., R. Schlechter ; 

 Knysna Div. , R. Trimen. 



Plate 76. Fig. 1, flower, back view ; 2, ditto, side view ; 

 3, odd sepal, side view ; 4, lip, front view ; 5, lip and column, 

 side view ; 6, column, back view ; 7, ditto, front view, from a 

 younger flower ; 8, column, front view, one pollinium removed ; 

 9, pollinia with one pollen grain. 



An erect glabrous herb, 20-40 cm. high ; stem usually 

 somewhat robust, straight 3-4foliate, the leaves distant, decreasing 

 in size upward, rather densely 4-lOfl., the flowers racemose 



