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Tuatara: Volume 4, Issue 1, July 1951
Left: Diagrammatic section through Pterostylis flower. Right: through column of Thelymitra flower. A — anther; AC — anther connective; C — column; CW — column wings; DS — dorsal sepal; L — labellum; LL — lateral (secondary) lobe of column wing (only partly shown); LS — lateral sepals; ML — midlobe of column wings; P — petal; R — rostellum; S — stigma
Left: Diagrammatic section through Pterostylis flower. Right: through column of Thelymitra flower. A — anther; AC — anther connective; C — column; CW — column wings; DS — dorsal sepal; L — labellum; LL — lateral (secondary) lobe of column wing (only partly shown); LS — lateral sepals; ML — midlobe of column wings; P — petal; R — rostellum; S — stigma.