342 . Lxxvi. ASCLEPiADE^fi. [Marsdenia. 



zontally pvoinincnt at the base, the erect free part acute, nearly as long as 

 the anthers. Pollen-masses oblong-clavate. Stigma very short and obtuse. 



Queensland- BrisLane river, MoretoQ Bay, F. Mueller. 



15. M. microlepis, BentJi, A twiner, softly pubescent or the foliage 



at length glabrous. Leaves petiolate, ovate oblong or broadly lanceolate, 

 obtuse or mucrouate, truncate or almost cordate at the base, 1 to U in. 

 long. Umbels many-flowered, simple, solitary and nearly sessile. Calyx- 

 segments pubescent, nearly 1 line long. Corolla-tube nearly as long as tlie 

 calyx, slightly contracted and thickened inside at the throat, but quite gla- 

 irous ; lobes shorter than the tube, and apparently less spreading than in J/. 

 viridijlora, sometimes slightly pubescent outside. Corona-segments peltate, 

 the free erect part obtuse and very short. Stigma short and obtuse. 



_ Queensland. Port Curtis, M'GiUivray ; Burdeldn river, F. Mueller; head of Bojd 

 river, LeicMardt ; Ncrkool Creek, Bowman (all pubescent); Eockliampton, Ballachji 

 (aeai-ly glabrous). 



9. GYMJN~EMA, E. Br. 



(Bidaria and Gongrouema, Endl) 



Corolla with a short broad tube, tbe limb spreading, divided into 5 lobes, 

 contorted in the bud. Corona none or reduced to 5 scarcely prominent pro- 

 tuberances at the base of the gynosteglum. Anthers terminating in a^mem- 

 brane. Pollen-masses 2 to each anther, obovoid or oblong, erect. Stigma 

 short and obtuse or conical, or rarely elongated.— Stems erect or twimiig. 

 Leaves berbaceous. FloAvers small, umbellate, the umbels either solitary or 

 2 together on short interpetiolar peduncles or axillary and opposite. 



The genus is dispersed over the tropical aad suhtropical regioas of the Old World. Of 

 the SIX Australian species, one is a common East Indian cue, another extends to the islaaos 

 ot the bouth Pacific, the remaining Four are endemic. 



7 ^^'^'^'}r' ^y^^"^^^^^— Corolla tviih small scales in the throat alternating mth the 

 iobes. No corona. 



Leaves ovate to ovate-lanceolate. Umbels mostly in pairs .... 1. ^- ^J^'^/': 

 Leaves nariw-laaceolate. Umbels mostly solitary / %. G.Muellen. 



Sect. II Bidaria,— Cb/iJ^/a without scales in the throat Corona none or of mi o - 

 scure glands at the lase of the gynostegiim. 

 Leaves ovate, ^ to 1 in. long . . , . . 3. <?■ hrecifoUii^- 



Leaves oval-oblong or lanceolate", 1 to' 2 in! lo'n-r," the veins very 



oblujue "' ' 4. G. tnnerve. 



Leaves narrow-linear - . . ] 1 .' 5. G. stenophj/U^*' 



of^^Z'i !l^' _^-^e^o«ema.-C^r(?//^ vsithout scales in the throat. Corona con^^f 

 of small glands or protuberances at the lase of the gynosteglum. Small glands at the ba^e 

 oj the upper surface of the leaves, J if J J 



Leaves obovate-oblong or elliptical .... . . . * 6- ^- TnicradeniO' 



Sect. I GYMNEMA.-Corolla with small scales in tlie throat alternating 

 T\jth the lobes. No corona. 



1. G. syWestre, /?. Br. in Trans. W^em. Soc. i. 33. A twiner either 



i 



soitiy-pubesceut aU over or the upper side of the leaves nearly or quite 



crla- 



