LXXX. ASCLEPIADEiE. 32b 



Wrightia, R. Br. 



saligna, F. v. M. — Milk-bush. Wood resembles English 



Elder ; useful for engraving and carving, 

 millgar. Bail. (Fig. 303.) 

 Bacelliana. F. v. M. (Fig. 304. ) 

 pubescens, R. Br. 



var. penicillata. Bail. — " Cherite" of Mapoon natives. 



Subtribc Ncriecv. 

 *Xerium, Linn. 



odorum, Soland., var. ? — Oleander. The active principles of 

 these plants are powerful heart-poisons. In South Africa 

 the foliage is considered fatal to cattle and horses. 



Subtribc Ichnocarpece. 

 Ichnocarpus, R. Br. 

 frutescens, R. Br. 



Order LXXX.— ASCLEPIADEjE. 



Plants of this Order yield Caoutchouc. The stems (but not 

 the seed-pods ) of many yield good fibre. 



Suborder I.— PEKIPLOCE^. 



Tribe I. — Periploce.e. 

 *Cryptostegia, R. Br. 



grandiflora, R. Br. — A Rubber-plant of Tropical Africa. 

 Gymnanthera, R. Br. 



nitida, R.Br. (Fig. 305.) 



Suborder II.— EUASCLEPIADE^. 



Tribe II. — Secamone.e. 

 Secamone. R. Br. 

 elliptica, R. Br. 

 ovata, A^. Br. 



Tribe III. — Cynanche^e. 

 ::: Araujia, Brot. 



albens, G. Don. = Physianthus albens, Mart. Peru. 

 :;: Gomphocarpus, R. Br. 



brasiliensis, Fournier.- — A noxious weed of Brazil. 

 : Asclepias, Linn. — Fruit a Conceptacle (conceptaculum), or 

 double follicule. 

 curassavica. Linn. — Redhead; a noxious weed, poisonous to 

 stock. 



