TAB. 7. 



Tribe EPIDEXDRE^., 



Sub-tri be Ca-: log yx e.e . 



Genus Calaxthe. 



Calanthe natalensis, Rcichb. f., in Bonplandia (1856), /». 822. 

 — Herba erecta, circa 45 cm. alta ; folia 5-6, oblongo-lanceolata 

 nervoso-plicata, basi angustata, glabra vel minute pubescentia, 

 25-35 cm. longa, 6-8 cm. lata ; scapus strictus, teres pubescens, 

 vaginis 2-3 distantibus praeditus, 35-45 cm. longus ; spica laxe 

 15-18flora, bracteis ovario parum brevioribus, persistentibus ; 

 flores expansi, 3 cm. lati ; sepala lanceolata acuta 1'5 cm. longa, 

 extus pubescentia ; petala oblanceolata glabra, cequilonga ; 

 labellum 31obatum subaequilongum, lobo medio antice subtruncato 

 emarginato sub apice mucronato, lobis lateralibus cuneatis multo 

 brevioribus subobtusis, disco seriebus tribus callorum instructo, 

 basi in calcar filiforme arcuatum plerumque ovario longius pro- 

 ductum ; ovarium gracile arcuatum pubescens, 2*5 cm. longum. 

 [Ex exempli, viv. diiobus ciiltis sub nu7n. GlOl exsiccatis.) Bot. 

 Mag., t. 6844 ; C- syluatica, uar. natalensis, Reichb. f. in Linncva, 

 xix., p. 374. 



Hab : South-eastern Region ; Cape Colony : woods, Perie 

 Bush near King William's Town, fl. Dec. -Jan., A. Walsh ; after- 

 wards cultivated in botanic gardens at Port Elizabeth and Cape 

 Town, Bolus, 6101 ! ; " thickest and rockiest part of Perie Bush," 

 D' Urban, 108; Natal: Kirkman's Cutting, Maritzburg Road, 

 450-610 meters, Sanderson, 1047 ; " Bush Swamp, The Bluff, head 

 of Natal Bay," Sanderson, 1003. 



Plate 7. Fig. 1, odd sepal ; 2, petal ; 3, lip ; 4, column, side 

 view ; 5, ditto, front view ; 6, ditto, shewing the pollinarium in 

 situ ; 7, 8, pollinarium. 



An erect herb, about 45 cm. high ; leaves 5-6, oblong-lanceo- 

 late, plicately nerved, narrowed at the base, glabrous or minutely 

 pubescent 25-35 cm. long, 6-8 cm. wide ; scape straight, terete, pub- 

 escent, robust, furnished with two or three sheaths, 35-45 cm. long ; 

 spike laxly 15-18flowered, with the bracts a little shorter than the 

 ovary, persistent ; flowers expanded, 3 cm. wide ; sepals lanceolate 



