TAB. 59. 



Tribe Opheydeae. 



Sub-tribe Habexarieae. 



Genus Platanthera. 



Platanthera MacOwaniana, Schlechter, Beibl. zii Emjler Bot. 

 Jahrb., Xo. 50, Band xx, ]). 12 (1895). — Herba erecta glabra, 10-23 

 cm. alta ; tubera pliu'a cylincTrica fasciculata ; caulis foliosus sub- 

 flexuosus ; folia 10-12, lineari-lanceolata acuta 1-nerva, saepe undulata, 

 erecto-patentia, 4-6 cm. longa, superiora sensim minora ; racemus 

 cylindricus, 2*5-10 cm. longus, multiflorus, bracteis linearibus 

 patentibus, floribus subaequilongis ; floras parvi, cum ovariis circa 

 1 cm. longi ; sepala lateralia ovato-lanceolata subacuta, imparl 

 latiore ; petala lauceolata obliqua, sepalis paullo longiora ; labellum 

 cuneato-obovatum crassum carnosum, apicem versus trilobulatum, 

 lobis lateralibus obtusis, intermedio longiore rotundato, calcare inflate 

 pendulo subscrotiformi limbo paullo breviore ; columna abbreviata, 

 labello duple brevior ; rostelli bracbia brevia porrecta, plica inter- 

 media ; stigma magnum excavatum ; ovarium cylindricum gracile. 

 {Ex exempli, pliir. liv. exsiccatisque.) — Brachycorythis MacOwaniana, 

 Beichenbachfil., Otia Bot. Hamb. p. 104 (1881) ; Habenaria MacOwaniana, 

 N. E. Brown, in Gard. Chron., vol. v, p. 168 (1889) ; Gymnadenia 

 MacOwaniana, Schlechter, in Verh. Bot. Verein. Brandenb., xxxv, p. 46 

 (1893). 



Hab : South-western Region ; C.vpe Colony : near Eiversdale, 

 slopes of tbe Langebergeu, alt. 300 met., Nov. (1892), R. Schlechter, 

 No. 1900 ! ; Knysna district, Schlechter. — South-eastern Region ; 

 Cape Colony: near Grabamstown, in grassy places, alt. 650 met., 

 fl. Nov. (1865), P. MacOaan, No. 2627 ! (in berb. Kew) ; same place, 

 W. Tuck: also J. Glass. 



Plate 59. Fig. 1, flower, front view; 2, ditto, side view; 3, side 

 sepals; 4, odd sepal; 5, petals; 6, column witb lip, side view; 

 7, 8, column ; 9, one of tbe pollinia ; 10, column from anotber and 

 younger flower, — all variously magnified. 



An erect glabrous herb, 10-23 cm. high; tubers several 

 cylindrical clustered ; stem leafy subflexuous ; leaves 10-12, 

 linear-lanceolate acute or acuminate, 1 -nerved, often undulate, 

 erect-spreading, 4-6 cm. long, the upper gradually smaller; 



