TAB. 77. 



Tribe Ophryde/E. 

 Sub-tribe CORYCIE^. 

 Genus Pterygodium. 



Pterygodium catholicum, Srmirlz, in Kongl. Ve/ensk. Acad. 

 Handl., vol. xxi. (1800), />. 217. — Herba erecta glabra, 15-30 cm. 

 alta ; caulis strictus vel subflexuosus, 2foliatus, foliis distantibus, 

 apice 2-7florus, floribus suberectis ; folium inferius erectum ob- 

 long-um, obtusum apiculatumque vel acutum, basi vag-inans, 

 margine saepius undulatum, 5-10 cm. longum, superius minus, 

 saepe vaginiforme, apice patens ; bracteas herbaceae lanceolatae 

 acutae, floribus pauUo breviores ; sepala lateralia patentia concava 

 ovata acuminata, 1 cm. longa; sepalum impar erectum subgaleatum 

 apiculatum, apiculo reflexo, lateralibus aequilongum ; petala erecta, 

 fere semi-orbicularia, concava, margine obscure undulata, sepalo 

 imparl subaequilonga ; labelli limbus deflexus parvus rhomboideus 

 acuminatus, 0'5-0*6 cm. longus, appendice majore, circuitu 

 oblongo, erecto, apice angustato denticulato, intus verruculoso, 

 incurvo ; stigma hippocrepiforme. {Ex exempli, plur. viv. exsicca- 

 tisque.) — Ker, in Journ. Sci. R. ItisL, vol. vi. (1819), /. \,Jig. 3 ; 

 Orch. Cape Penins. (1888), p. 184. Ophrys cathoUca, Linn., Sp. 

 PL, ed. 2 (1763), p. 1344. Ophrys alaris, Linn. /., Suppl. (1781), 

 p. 404. 



Hab. '• South-western Region ; moist places on the Cape 

 Flats, alt. 15-30 met., fl. Aug. -Sept. , more rarely on the lower 

 mountain sides up to 240 met., Zeyher, 3941, 3943; Bolus, 3931 ! 

 (Herb. Norm. Aust.-Afr. , 174); Mac O wan ; R. Schlechter, 1339; 

 Wolley Dod, 501 ! nr. Tulbagh, alt. 150 met., R. Schlechter ; mts., 

 Hex R. Valley, alt. 480 met., fl. Oct., W. Tyson, 647 ! Bokkeveld, 

 C. L. Leipoldt, 927 ! — extends eastward to Port Elizabeth. 



Plate 77. Fig. 1, column and lip, front view ; 2, ditto, back 

 view ; 3, odd sepal, front view ; 4, 4, petals, ditto ; 5, 5, side 

 sepals, ditto ; 6, column, front view ; 7, ditto, back view ; 

 8, pollinium ; 9, apical portion of the lip ; lo, transverse section 

 through ditto — all variously magnified. In the foregoing — r, ros- 

 tellum ; g, gland ; a, anther cell ; s, stigma ; /, lip ; la, lip 

 appendage. 



