TAB. 31. 



Tribe Vande^:. 

 Sub-tribe Cymbidie^c. 

 Genus Polystachya. 



Polystachya Sandersonii, Harvey, in Thesaurus Cnpcnsis, 

 vol. ii. (ISGo), /). 19, /(lb. 177. — Ilerba cpiphytica, 10-13 cm. alta ; 

 pseudo-bulbi plurcs, ovati, apice angustati, membranaceo-vag'inati, 

 l'5-2 cm. lons^'i ; folia bina, rarissime Bna, erecto-patentia, basi 

 articulata, late linearia vel oblonga obtusa xel subacuta, 4-10 cm. 

 longfa ; bractea; ovatit cuspidatas cum scapo pedicellisque pubes- 

 centes, ovario pedicellato breviores ; scapus tcrminalis simplex vel 

 rarius paniculatus sublaxe 5-13floru.s ; sepala patentia, extus pubes- 

 centia, lateralibus late ovatis acuminatis, pedi columiue producto 

 adnatis, 0"9 cm. long-is, impari oblong^o acuminato paullo breviore ; 

 petala declinata lineari-spathulata 0*7 cm. longa ; labellum circuitu 

 ovatum, petalis aiquilongaim 81obum, lateralibus erectis rotundatis, 

 intermedio majore ovato arcuato-recurvo superficie verrucoso ; 

 columna brevis basi longe producta ; pollinia 4, per paria connata. 

 {Ex exeinplari iinico vivo pluribusque exsiccaiis.) 



Hab : South-eastern Region ; Cape Colony : near Komgha, 

 fi. Nov., H. G. Flanagan ! ; near Kentani, fl. Nov., Alice Pegler 

 No. 203 ! ;— Natal : Attercliflfe, alt. 180 met.,/. Sanderson, N. 134; 

 Etshowe, R. Maxwell! 



Plate 31. Fig. 1, 1, side sepals ; 2, odd sepals ; 3, 3, petals ; 

 4, flower, front view ; 5, ditto, the sepals removed ; 6, lip and 

 column, oblique view ; 7, column ; 8, pollinarium — all variously 

 magnified. 



An epiphytic herb, 10-13 cm. high ; pseudo-bulbs several, 

 ovate, narrowed at the apex, with membranaceous sheaths, l'5-2 

 cm. long ; leaves 2 nate, very rarely 3 nate, erect-spreading, articu- 

 late at base, broadly linear or oblong obtuse or rather acute, 4-10 

 cm. long ; bracts ovate cuspidate, with the scape and pedicels pub- 

 escent, shorter than the pedicellate ovary ; scape terminal simple 

 or more rarely paniculate, somewhat laxly 5-13nowered ; sepals 

 spreading- pubescent on the outer surface, lateral broadly ovate 

 acuminate, adnate to the produced foot of the column, 0*9 cm. 



