( 4117 ) 



Pterodiscus speciosus. Showy 

 Pterodiscus. 



Class and Order. 



DlDYNAMIA ANGIOSPERMIA. 



( Nat. Ord. — Pedaline^e. ) 

 Generic Character. 



Pterodiscus, 'Hook. — Calyx parvus profunde 5-partitus. 

 Cor. infundibuliformis, limbo patente quinquelobo, lobis 

 subrotundis subaequalibus. Stamina 4, didynama, inclusa, 

 prope basin tubi inserta cum rudimento quinti. Filamenta 

 basi incrassata lanosa : Antherce loculis duobus triangula- 

 nbus poris oblongis dehiscentibus, per paria cruciatim 

 approximate. Germen ovatum obliquum, basi dorso glan- 

 dula incrassata hippocrepiformi : Stylus filiformis inclusus 

 stamina excedens: Stigma bilabiatum, segmentis subulatis 

 serratis, inferiore recurvato. Fructus coriaceus capsularis, 

 mdehiscens? subrotundo-compressus, marginibus lato-bi- 

 alatus, disco subtuberculatus, bilocularis v. pseudo- 6-locu- 

 laris, loculis duobus seminiferis ; Semina solitaria pendula 

 oblonga, tereti-compressa, margine superne producta sub- 

 ulata, subutriculosa. Albumen nullum vel tenuissimum. 

 Embryo inversa. Radicula ad hilum spectans, brevis, coni- 

 cus. Cotyledones oblongae hemispha3rica3. — Herba Africce 

 Australis, radice tuber osa, foliis oppositis oblongis sinuato- 

 dentatis, petwlis brevibus utrinque uniglandulosis, floribus 

 axillaribus solitariis speciosis purpureas. 



Specific Name. 

 Pterodiscus* speciosus. 



For our knowledge of this splendid new Genus of plants 

 the Botanical world is indebted to the Right Honor- 

 able 



* So named from Uriftx;, a wing, and 3ur*o< a disk, in consequence of the 

 oroad urings to the disk of the fruit. 



