TAB. 12. 



Tribe Neottie^. 



Sub-tribe Arethuse.e. 



Genus Pogonia (§ Neryilia). 



Pogonia purpurata, Beichenhach fil. et Sander ill Flora, 1865, 

 p. 181. — Herba glabra erecta, 15-23 cm. alta ; tuber spbfericum vel 

 ovoideum ; caulis floriferus simplex apliyllus, vaginis brevibus 2-3 

 vestitus ; folium unicum serotinum e gemma distincta tuberis ejusdem, 

 petiolatum ovatum acutum multinerve plicatum, cum petiolo 2-5 cm. 

 longo, fere 10 cm. lougum ; racemus laxe 3-4-florus, floras pateutes, 

 bractefe anguste lineares membrauaceae, floribus breviores ; sepala 

 petalaque subaequalia subcouformia lauceolata acuminata patentia 

 venosa, circa 1*6 cm. longa, vel petala paullo breviora latioraque ; 

 labellum inferum petalis subaequilongum cuueato-obovatum veuosum, 

 lineis 3 callosis percursum, apice trilobum, lobis lateralibus brevioribus 

 rotundatis vel subacutis incurvis, lobo iutermedio longiore subiilato 

 acuto deflexo ; columna pede elongate, labello brevior ; antliera apice 

 columns affixa incumbens ; pollinia in loculis — ?, grauidis solutis ; 

 capsula ovoidea pendula 1*2 cm. longa. [Ex exempli, plur. exsicc. sub. 

 num. Culvert 57.) 



Hab : South-eastern Region; Tkaxs-Vaal Eepublic: mountain 

 sides near Orotava Mine, Barberton, alt. 1230 meters, fl. Nov., W. 

 Culver, 57 ! (in my berb.) 



Plate 12. Fig. 1, flower and bract; 2, one of tbe sepals; 3, one 

 of tbe petals ; 1, lip, partly flattened out, — all tbe foregoing magnified 

 2 diameters ; 5, column, front view ; 6, ditto, side view ; 7, ditto, tbe 

 upper part, sbowing tbe antber lid pulled out on its binge ; 8, front 

 view of tbe antber ; 9, diagrammatic section of tbe lip, sliowiug tbe 

 median callus or crest ; 10, section of tbe antber ; 11, pollen 

 granules, — all tbe latter variously magnified. 



A glabrous erect herb, 15-23 cm. high ; tuber spherical or 

 ovoid ; flowering stem simple leafless, furnished mth 2-3 short 

 distant sheaths ; leaf solitary from a separate bud of the same 

 tuber, appearing after the flowers are withered, petiolate ovate 

 acute plicate, including the petiole of 2*5 cm. long about 10 cm. 

 in length ; raceme loosely 3-4 flowered, flowers spreading, bracts 

 narrow linear membranous, shorter than the flowers ; sepals ancl 



