TAB. 32. 



Tribe VANDEJi. 

 Sub-tribe Cymbidie^. 



Genus POLYSTACHYA. 



Polystachya Ottoniana, Reichenbach, fil. in Hamhur^ 

 Gartenseitung vol. xi., p. 249 (1859). — Herba epiphytica, 5-15 cm. 

 alta ; pseudobulbi plures ovati, apice attenuati, vaginati, l"2-2-5 

 cm. long"! ; folia bina, erecta, basi articulata, ligfulata, obtusa, saepe 

 bilobulata, 3-18 cm. long-a ; scapus erectus gracilis, cum pedicellis 

 pubescens, laxe 2-3florus ; bracteae minutae ; sepalum impar 

 lanceolato-oblong-um, lateralibus ovato-oblong-is acutis declinatis 

 pedi columnae producto adnatis, 1*3 cm. long-is; petala oblanceolata 

 acuta I'l cm. longa ; labellum circuitu ovatum acutum vel 

 acuminatum, petalis aequilongum, 81obum, lobis lateralibus erectis 

 subacutis intermedio oblongo apice recurvo subacuto, vel acuminato 

 columna oblonga basi angustata, in pedem porrectum producta ; 

 pollinia 4, per paria connata. {^Ex exempli, plur. vivis exsic- 

 catisquc.) P. capensis Sond., in Harv. Thes. Cap. ii. (1863), 

 p. 51, /. 179. 



Hab. : South-eastern Region ; Cape Colony: near Grahams- 

 town, fl. Dec, MacOwaii, 1526 ! same station, fl. Nov., C. A. Pym ! ; 

 Transkei, alt. 1200-1360 met., fl. September, R. Batir, 238! ; near 

 Kentani, alt. 310 met., fl. Nov., Alice Fegler, 617! near Komgha, 

 fl. Nov., H. G. Flanagan ! ; Natal : J. Sanderson ! ; Trans- Vaal : 

 near Barberton, alt., 1060-1330 met., fl. Nov., £. E. Galpin, 671 ! ; 

 near Haenertsburg, fl. Oct., /. Burll Davy I in Trans. Col. 

 Herb., 3026. 



Plate 32. I., three plants of the yellow-flowered form. II., 

 flower and dissections made from the white and pink-flowered 

 form. Fig-. 1, flower, oblique view ; 2, ditto, front view ; 3, one 

 of the petals ; 4, lip and column ; 5, lip, posterior view ; 6, column, 

 front view ; 7, anther, shewing the pollinarium in situ ; 8, 

 pollinarium. 



An epiphytic herb, 5-15 cm. high ; pseudobulbs several, ovate, 

 attenuate at the apex ; vaginate, 1*2-2 -5 cm. long; leaves 2 nate 

 erect, articulate at the base, ligulate obtuse, often bilobulate, 3-13cm. 



