TAB. 30. 



Tribe Vande^:. 

 Sub-tiibe Cymbidie^:. 



Genus POLYSTACHYA. 



Polystachya pubescens, Reichb. f. in Walp. A?t>i., vol. vi., 

 p. 643, — Herba epiphytica, 10-20 cm. alta, pseudobulbis pluribus 

 subovatis vag^inatis, 2-3 cm. longis ; folia bina erecto-patentia, 

 lineari-oblong"a, obtusissima, glaberrima 7-12 cm. long-a, 1-2 cm. 

 lata ; pedunculus terminalis pubescens, folia aequans vel excedens, 

 racemo simplice 8-15florus ; bracteae late ovatae cuspidatae, glabres- 

 centes 0'4-0'7 cm. longce ; perianthium explanatum, sepalis con- 

 cavis, lateralibus oblong-o-ovatis acutis, 0*8-1 '1 cm. long-is, impari 

 paullo breviore ; petala plana obovata obtusa, 0'7-0*9 cm. long-a ; 

 labellum concavum subrhomboideum supra medium 31obum, lobis 

 ovatis terminali majore, pag-ina superiore hispida, 0"6-0*7 cm. 

 long-um, 0'5-0"6 cm. latum ; columna abbreviata, stigmate concavo, 

 marg^ine Stuberculato ; pollinia 4, per paria connata. {Ex 

 exejnplL plur. vivis exsiccatisque.) Epiphora pubescens, Lindl. 

 tnCovip. Bot. Mag.., vol. iu, p. 201 ; P, Lindleyana, Harv. in Thes. 

 Cap., vol. ii., p. 50, t. 178. 



Hab. : South-eastern Region ; Cape Colony: Grahamstown, 

 Stone's Hill Rang-e, on trees and rocks, alt., 550-760 met., fl. Nov.- 

 Dec, E. E. Galpin, 298! near Kentani, alt. 370 met., fl. Nov., 

 A/ice Pegler, 619 ! ; Natal : Town Bush Valley, near Pietermaritz- 

 burg, alt. 854-914 met., fl. Nov., R. W. Adlani, 4! Deepdene, 

 Richmond, alt. 914 met., fl. Nov.,y. Sanderson, 891 ! 



Plate 30. Fig. 1, one of the side sepals ; 2, odd sepal ; 3, 

 one of the petals ; 4, lip and column, side view ; 5, ditto, front 

 view ; 6, anther shewing the pollinarium in situ ; 7, pollinarium — 

 all variously magnified. 



An epiphytic herb, 10-20 cm, high, with several subovate 

 vaginate pseudobulbs, 2-3 cm. long ; leaves 2 nate erect-spreading 

 linear-oblong very obtuse glabrous, 7-12 cm. long, 1 '2 cm. broad; 

 peduncle terminal pubescent, equalling or exceeding the leaves, 

 raceme simple 8*15flowered ; bracts broadly ovate cuspidate 

 glabrescent, 0'4-0'7 cm. long ; perianth spread out; sepals concave, 



