TAB. 99. 



Tribe Ophrydeae. 

 Sub-tribe Corycieae. 

 Genus Pterygodium. 



Pterygodium Newdigatae, n. sjj. — Herba glabra erecta spitbamaea ; 

 caubs gracibs substrictus paucifobatus ; foba saepius 2-3, remota, iufimum 

 patens lanceolatum acutum vel acumiuatum, basi baxe vagiuatum, 6-8 cm. 

 longum, superiora minora erectiora cucubata bracteaeformia ; spica laxe 

 1-3-fl., bracteis lanceolatis acutis concavis ; sepala ovato-lauceolata acumi- 

 nata concava, circa 1-2 cm. longa, lateraba patentia, impar erectmu ; petala 

 subrbomboidea concava apice lacerata, margine anteriori basin versus 

 sinuato-inciso ; labeUum recurvo-deflexum oblongum acutam apice laceratum, 

 3-4 milL longum, appendice erecta oblonga carnosa crassiuscula apice in- 

 ciirva excavata (illis Ft. catholico et Pt. acutifolio persimib) ; stigmata 2 ; 

 ovarium clavatum. {Ex exeinpll. 3 viv.) 



Var. cleistogamum. : Spica floribus saepius numerosioribus ; perian- 

 tbium clausum ; petala lanceolata acuminata ; labellum ovatum acuminatum 

 involutum marginibus basin versus saepe unideutatis, appendice nulla ; 

 columna polymorpba, processibus (bracbiis rostelli '?) nunc i aequalibus 

 erectis nunc per paria varie dispositis, apice loculum antberae gerentibus, 

 granulis pollinis saepe paucis vel subnuUis, glandula viscida nulla ; stigma 

 nunc unicum terminale indivisum pulvinatum birtulum, nunc duo quorum 

 unum per bracbia rostelli posteriora in alas expausum ; capsula clavata, 

 seminibus fertibbus. (Ex exempli . pliir civ.) 



Hab: South-western Region; Cape Colony: Forest Hall near Plet- 

 tenberg Bay, Miss C. B. Xewdigate, No. 164 ! (in my berb.) ; near Knysna, 

 tbe cleistogamous form only, E. Schlechter, No. 5908; Coldspriug Farm, 

 near Grabamstown, tbe cleistogamous form, J. Glass, No. 479 !. 



Plate 99. A, a one-flowered plant of tbe normal form ; fig. 1, flower, 

 side view ; 2, one of tbe sepals ; 3, one of tbe petals ; 4, lip, witb column, 

 front view; 5, ditto, side view; 6, ditto, back view ; 7, one of tbe pollinia. 

 — B, a plant of tbe cleistogamous form ; 8, one of tbe side sepals ; 9, odd 

 sepal ; 10, one of tbe petals ; 11, lip ; 12, 13, column, front and back view 

 of one form ; 14, 15, otber forms of tbe column from difiereut flowers, — all 

 variously magnified. 



A glabrous erect berb about a span bigb ; stem slender nearly 

 straight few-leaved ; leaves usually 2-3, distant, the lowest spreading 

 lanceolate acute or acuminate, loosely sheatbing at base, 6-8 cm. 

 long, the upper smaller more erect, somewhat cucullate, bract-like ; 

 spike loosely 1-3-fl., bracts lanceolate acute concave ; sepals ovate- 

 lanceolate acuminate concave, about 1'2 cm. long; tbe side sepals 

 spreading, the odd one erect ; petals somewhat rhomboidal concave, 

 slightly lacerate at the top, tbe front margin sinuate-incised near the 

 base ; lip bent downward and backward oblong acute lacerate at the 

 top, 3-4 mill, long, appendage erect thick fleshy oblong narrowed 

 above and hollowed out at the apex (very similar to those of 

 Pt. cathoUcum and Pt. acutifolium) ; stigmas 2 ; ovarium clavate. 



Yar. cleistogamum : Spike usually more numerously flowered 

 (2-7-fl.) ; perianth connivent closed ; petals lanceolate acuminate ; 

 lip ovate acuminate involute, with a tooth-like lobe on each margin 

 near the base, appendage none ; column variously shaped, arms of 

 the rostellumC?) sometimes 4 equal erect, sometimes variously 



